ゲーム攻略・無料ウィキレンタルのアットウィキ (@WIKI)

https://w.atwiki.jp/latale_area51/

「トキメキファンタジーラテール」で活動しているギルド、「AREA51」のギルドwikiです。大体が自己満足で出来ています。著作権 ©2006 Actoz Soft., All rights reserved. ©2006 Gamepot Inc., All rights reserved. @wikiへようこそウィキはみんなで気軽にホームページ編集できるツールです。このページは自由に編集することができます。メールで送られてきたパスワードを用いてログインすることで、各種変更（サイト名、トップページ、メンバー管理、サイドページ、デザイン、ページ管理、等）することができますまずはこちらをご覧ください。 @wikiの基本操作用途別のオススメ機能紹介 @wikiの設定/管理分からないことは？ @wiki ご利用ガイドよくある質問無料で会員登録できるSNS内の@wiki助け合いコミュニティ @wiki更新情報 @wikiへのお問合せフォーム等をご活用ください @wiki助け合いコミュニティの掲示板スレッド一覧 #atfb_bbs_list その他お勧めサービスについて大容量１Ｇ、PHP/CGI、MySQL、FTPが使える無料ホームページは@PAGES 無料ブログ作成は@WORDをご利用ください 2ch型の無料掲示板は@chsをご利用くださいフォーラム型の無料掲示板は@bbをご利用くださいお絵かき掲示板は@paintをご利用くださいその他の無料掲示板は@bbsをご利用ください無料ソーシャルプロフィールサービス @flabo(アットフラボ) おすすめ機能気になるニュースをチェック関連するブログ一覧を表示その他にもいろいろな機能満載！！ @wikiプラグイン @wiki便利ツール @wiki構文 @wikiプラグイン一覧まとめサイト作成支援ツールバグ・不具合を見つけたら？要望がある場合は？お手数ですが、メールでお問い合わせください。

DynagenでCCIEを目指す - トップページ/動作検証ネットワーク系/20100421 OSPF stub area

https://w.atwiki.jp/it_certification/pages/80.html

目的構成事前学習 LSAまとめ検証1 初期設定の確認検証2 stub area 検証3 totally stub area 検証4 nssa 検証5 totally nssa 目的 OSPFにおける、stub, totally stub, nssa, totally nssaの設定と挙動を確認します。構成設定概要 OSPFによってルーティングします。 R1, R3では、connectedを再配送します構成図 netファイル ghostios = True sparsemem = True model = 3620 [localhost] [[3620]] image = C \Program Files\Dynamips\images\c3620-j1s3-mz.123-18.bin ram = 256 [[ROUTER R1]] e0/0 = R2 e0/1 [[ROUTER R2]] e0/0 = R3 e0/1 [[ROUTER R3]] 初期設定 R1 ! version 12.3 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname R1 ! boot-start-marker boot-end-marker ! ! no aaa new-model ip subnet-zero ! ! ! ip cef ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! interface Loopback0 ip address 1.1.1.1 255.255.255.255 ! interface Ethernet0/0 ip address 192.168.12.1 255.255.255.0 full-duplex ! interface Ethernet0/1 ip address 192.168.10.1 255.255.255.0 full-duplex no keepalive ! interface Ethernet0/2 no ip address shutdown half-duplex ! interface Ethernet0/3 no ip address shutdown half-duplex ! router ospf 1 log-adjacency-changes redistribute connected subnets network 192.168.12.0 0.0.0.255 area 0 ! ip http server ip classless ! ! ! ! ! ! ! ! line con 0 line aux 0 line vty 0 4 ! ! end 初期設定 R2 ! version 12.3 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname R2 ! boot-start-marker boot-end-marker ! ! no aaa new-model ip subnet-zero ! ! ! ip cef ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! interface Loopback0 ip address 2.2.2.2 255.255.255.255 ! interface Ethernet0/0 ip address 192.168.23.2 255.255.255.0 full-duplex ! interface Ethernet0/1 ip address 192.168.12.2 255.255.255.0 full-duplex ! interface Ethernet0/2 no ip address shutdown half-duplex ! interface Ethernet0/3 no ip address shutdown half-duplex ! router ospf 1 log-adjacency-changes redistribute connected subnets network 192.168.12.0 0.0.0.255 area 0 network 192.168.23.0 0.0.0.255 area 1 ! ip http server ip classless ! ! ! ! ! ! ! ! line con 0 line aux 0 line vty 0 4 ! ! end 初期設定 R3 ! version 12.3 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname R3 ! boot-start-marker boot-end-marker ! ! no aaa new-model ip subnet-zero ! ! ! ip cef ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! interface Loopback0 ip address 3.3.3.3 255.255.255.255 ! interface Ethernet0/0 ip address 192.168.30.3 255.255.255.0 full-duplex no keepalive ! interface Ethernet0/1 ip address 192.168.23.3 255.255.255.0 full-duplex ! interface Ethernet0/2 no ip address shutdown half-duplex ! interface Ethernet0/3 no ip address shutdown half-duplex ! router ospf 1 log-adjacency-changes redistribute connected subnets network 192.168.23.0 0.0.0.255 area 1 ! ip http server ip classless ! ! ! ! ! ! ! ! line con 0 line aux 0 line vty 0 4 ! ! end 事前学習 LSAまとめ LSAについてまとめます。以下の記事の引用です。 http //www.infraexpert.com/study/rp4ospf5.htm LSA Type Description 生成元 LSAの内容 Routing Table show ip ospf database 1 Router LSA 全OSPF ルータID、リンク数、リンクの種類、コスト情報 O router 2 Summary LSA DR DRのIPアドレス、セグメント上のルータID一覧 O network 3 Network Summary LSA ABR 経路情報、コスト情報 IA summary 4 ASBR Summary LSA ABR ABRが知るASBRのルータID、コスト情報 IA asbr-summary 5 AS External LSA ASBR 再配布された経路情報、コスト情報、ネクストホップ E1, E2 external 7 NSSA External LSA NSSA内のASBR 再配布された経路情報、コスト情報、ネクストホップ N1, N2 nssa-external 検証1 初期設定の確認ルーティングテーブルの確認ルーティングテーブルを確認します。再配送されたルートにはE2の表記があります。R1(area 0に所属)の場合は、area 1からのルートにはIAとの表記があります。R3(area 1)の場合は、area 0からのルートにはIAとの表記があります。 R1#show ip route - 略 - C 192.168.12.0/24 is directly connected, Ethernet0/0 1.0.0.0/32 is subnetted, 1 subnets C 1.1.1.1 is directly connected, Loopback0 2.0.0.0/32 is subnetted, 1 subnets O E2 2.2.2.2 [110/20] via 192.168.12.2, 00 18 02, Ethernet0/0 - 再配送されたルート 3.0.0.0/32 is subnetted, 1 subnets O E2 3.3.3.3 [110/20] via 192.168.12.2, 00 18 02, Ethernet0/0 - 再配送されたルート O E2 192.168.30.0/24 [110/20] via 192.168.12.2, 00 18 02, Ethernet0/0 - 再配送されたルート C 192.168.10.0/24 is directly connected, Ethernet0/1 O IA 192.168.23.0/24 [110/20] via 192.168.12.2, 00 18 08, Ethernet0/0 - area 1 のルート R2#show ip route - 略 - C 192.168.12.0/24 is directly connected, Ethernet0/1 1.0.0.0/32 is subnetted, 1 subnets O E2 1.1.1.1 [110/20] via 192.168.12.1, 00 19 38, Ethernet0/1 2.0.0.0/32 is subnetted, 1 subnets C 2.2.2.2 is directly connected, Loopback0 3.0.0.0/32 is subnetted, 1 subnets O E2 3.3.3.3 [110/20] via 192.168.23.3, 00 19 38, Ethernet0/0 O E2 192.168.30.0/24 [110/20] via 192.168.23.3, 00 19 38, Ethernet0/0 O E2 192.168.10.0/24 [110/20] via 192.168.12.1, 00 19 38, Ethernet0/1 C 192.168.23.0/24 is directly connected, Ethernet0/0 R3#show ip route - 略 - O IA 192.168.12.0/24 [110/20] via 192.168.23.2, 00 20 21, Ethernet0/1 1.0.0.0/32 is subnetted, 1 subnets O E2 1.1.1.1 [110/20] via 192.168.23.2, 00 20 21, Ethernet0/1 2.0.0.0/32 is subnetted, 1 subnets O E2 2.2.2.2 [110/20] via 192.168.23.2, 00 20 21, Ethernet0/1 3.0.0.0/32 is subnetted, 1 subnets C 3.3.3.3 is directly connected, Loopback0 C 192.168.30.0/24 is directly connected, Ethernet0/0 O E2 192.168.10.0/24 [110/20] via 192.168.23.2, 00 20 21, Ethernet0/1 C 192.168.23.0/24 is directly connected, Ethernet0/1 LSAの確認(1) show ip ospf databaseでLSAを確認します。確認した結果は、検証2-5と比較するために使用します。 R1#show ip ospf database OSPF Router with ID (1.1.1.1) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 1217 0x80000003 0x002011 1 2.2.2.2 2.2.2.2 1214 0x80000003 0x00E442 1 Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 192.168.12.1 1.1.1.1 1217 0x80000001 0x00C7EB Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 192.168.23.0 2.2.2.2 1115 0x80000003 0x00FDAA Summary ASB Link States (Area 0) Link ID ADV Router Age Seq# Checksum 3.3.3.3 2.2.2.2 1110 0x80000001 0x001905 Type-5 AS External Link States Link ID ADV Router Age Seq# Checksum Tag 1.1.1.1 1.1.1.1 1322 0x80000001 0x009BFC 0 2.2.2.2 2.2.2.2 1203 0x80000001 0x004F41 0 3.3.3.3 3.3.3.3 1127 0x80000001 0x000385 0 192.168.10.0 1.1.1.1 1322 0x80000001 0x00A97F 0 192.168.30.0 3.3.3.3 1127 0x80000001 0x00907C 0 R2#show ip ospf database OSPF Router with ID (2.2.2.2) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 1299 0x80000003 0x002011 1 2.2.2.2 2.2.2.2 1295 0x80000003 0x00E442 1 Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 192.168.12.1 1.1.1.1 1300 0x80000001 0x00C7EB Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 192.168.23.0 2.2.2.2 1195 0x80000003 0x00FDAA Summary ASB Link States (Area 0) Link ID ADV Router Age Seq# Checksum 3.3.3.3 2.2.2.2 1191 0x80000001 0x001905 Router Link States (Area 1) Link ID ADV Router Age Seq# Checksum Link count 2.2.2.2 2.2.2.2 1206 0x80000003 0x00E12E 1 3.3.3.3 3.3.3.3 1206 0x80000003 0x00A067 1 Net Link States (Area 1) Link ID ADV Router Age Seq# Checksum 192.168.23.2 2.2.2.2 1206 0x80000001 0x007A21 Summary Net Link States (Area 1) Link ID ADV Router Age Seq# Checksum 192.168.12.0 2.2.2.2 1281 0x80000003 0x00773C Summary ASB Link States (Area 1) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 1287 0x80000001 0x0075B0 Type-5 AS External Link States Link ID ADV Router Age Seq# Checksum Tag 1.1.1.1 1.1.1.1 1405 0x80000001 0x009BFC 0 2.2.2.2 2.2.2.2 1285 0x80000001 0x004F41 0 3.3.3.3 3.3.3.3 1209 0x80000001 0x000385 0 192.168.10.0 1.1.1.1 1405 0x80000001 0x00A97F 0 192.168.30.0 3.3.3.3 1209 0x80000001 0x00907C 0 R3#show ip ospf database OSPF Router with ID (3.3.3.3) (Process ID 1) Router Link States (Area 1) Link ID ADV Router Age Seq# Checksum Link count 2.2.2.2 2.2.2.2 1242 0x80000003 0x00E12E 1 3.3.3.3 3.3.3.3 1242 0x80000003 0x00A067 1 Net Link States (Area 1) Link ID ADV Router Age Seq# Checksum 192.168.23.2 2.2.2.2 1243 0x80000001 0x007A21 Summary Net Link States (Area 1) Link ID ADV Router Age Seq# Checksum 192.168.12.0 2.2.2.2 1317 0x80000003 0x00773C Summary ASB Link States (Area 1) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 1324 0x80000001 0x0075B0 Type-5 AS External Link States Link ID ADV Router Age Seq# Checksum Tag 1.1.1.1 1.1.1.1 1442 0x80000001 0x009BFC 0 2.2.2.2 2.2.2.2 1322 0x80000001 0x004F41 0 3.3.3.3 3.3.3.3 1245 0x80000001 0x000385 0 192.168.10.0 1.1.1.1 1443 0x80000001 0x00A97F 0 192.168.30.0 3.3.3.3 1245 0x80000001 0x00907C 0 LSAの確認(2) show ip ospf database database-summaryでLSAの総数を確認できます。 R1#show ip ospf database database-summary OSPF Router with ID (1.1.1.1) (Process ID 1) Area 0 database summary LSA Type Count Delete Maxage Router 2 0 0 Network 1 0 0 Summary Net 1 0 0 Summary ASBR 1 0 0 Type-7 Ext 0 0 0 Opaque Link 0 0 0 Opaque Area 0 0 0 Subtotal 5 0 0 Process 1 database summary LSA Type Count Delete Maxage Router 2 0 0 Network 1 0 0 Summary Net 1 0 0 Summary ASBR 1 0 0 Type-7 Ext 0 0 0 Opaque Link 0 0 0 Opaque Area 0 0 0 Type-5 Ext 5 0 0 Opaque AS 0 0 0 Total 10 0 0 R1# show ip ospf database adv-router router-id でrouter-id毎のLSAを表示します。LSAが多すぎて見づらい場合は、このコマンドの方が便利だと思います。 R1#show ip ospf database adv-router 2.2.2.2 OSPF Router with ID (1.1.1.1) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count 2.2.2.2 2.2.2.2 1223 0x80000003 0x00E442 1 Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 192.168.23.0 2.2.2.2 1124 0x80000003 0x00FDAA Summary ASB Link States (Area 0) Link ID ADV Router Age Seq# Checksum 3.3.3.3 2.2.2.2 1120 0x80000001 0x001905 Type-5 AS External Link States Link ID ADV Router Age Seq# Checksum Tag 2.2.2.2 2.2.2.2 1213 0x80000001 0x004F41 0 検証2 stub area stub areaの設定 stub areaの設定を行います。以下のコマンドを投入します。 R2(config)#router ospf 1 R2(config-router)#area 1 stub R3(config)#router ospf 1 R3(config-router)#area 1 stub R1の確認 stub areaでは、LSA Type 4, 5が遮断されます。そのため、検証1と比較すると、R1では3.3.3.3/32と192.168.30.0/24のルートが消えている事が分かります。 R1#show ip route - 略 - C 192.168.12.0/24 is directly connected, Ethernet0/0 1.0.0.0/32 is subnetted, 1 subnets C 1.1.1.1 is directly connected, Loopback0 2.0.0.0/32 is subnetted, 1 subnets O E2 2.2.2.2 [110/20] via 192.168.12.2, 00 01 10, Ethernet0/0 C 192.168.10.0/24 is directly connected, Ethernet0/1 O IA 192.168.23.0/24 [110/20] via 192.168.12.2, 00 01 15, Ethernet0/0 R1#show ip ospf database OSPF Router with ID (1.1.1.1) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 44 0x80000004 0x001E12 1 2.2.2.2 2.2.2.2 1879 0x80000003 0x00E442 1 Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 192.168.12.1 1.1.1.1 45 0x80000002 0x00C5EC Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 192.168.23.0 2.2.2.2 92 0x80000007 0x00F5AE Type-5 AS External Link States Link ID ADV Router Age Seq# Checksum Tag 1.1.1.1 1.1.1.1 45 0x80000002 0x0099FD 0 2.2.2.2 2.2.2.2 1869 0x80000001 0x004F41 0 192.168.10.0 1.1.1.1 45 0x80000002 0x00A780 0 R1# R2でも同様に3.3.3.3/32と192.168.30.0/24が消えています。 R2#show ip route - 略 - C 192.168.12.0/24 is directly connected, Ethernet0/1 1.0.0.0/32 is subnetted, 1 subnets O E2 1.1.1.1 [110/20] via 192.168.12.1, 00 01 50, Ethernet0/1 2.0.0.0/32 is subnetted, 1 subnets C 2.2.2.2 is directly connected, Loopback0 O E2 192.168.10.0/24 [110/20] via 192.168.12.1, 00 01 50, Ethernet0/1 C 192.168.23.0/24 is directly connected, Ethernet0/0 R2#show ip ospf database OSPF Router with ID (2.2.2.2) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 72 0x80000004 0x001E12 1 2.2.2.2 2.2.2.2 1905 0x80000003 0x00E442 1 Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 192.168.12.1 1.1.1.1 72 0x80000002 0x00C5EC Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 192.168.23.0 2.2.2.2 118 0x80000007 0x00F5AE Router Link States (Area 1) Link ID ADV Router Age Seq# Checksum Link count 2.2.2.2 2.2.2.2 118 0x80000006 0x00FD12 1 3.3.3.3 3.3.3.3 128 0x80000005 0x00BE4A 1 Net Link States (Area 1) Link ID ADV Router Age Seq# Checksum 192.168.23.3 3.3.3.3 130 0x80000001 0x006038 Summary Net Link States (Area 1) Link ID ADV Router Age Seq# Checksum 0.0.0.0 2.2.2.2 156 0x80000001 0x0075C0 192.168.12.0 2.2.2.2 156 0x80000004 0x009321 Type-5 AS External Link States Link ID ADV Router Age Seq# Checksum Tag 1.1.1.1 1.1.1.1 73 0x80000002 0x0099FD 0 2.2.2.2 2.2.2.2 1895 0x80000001 0x004F41 0 192.168.10.0 1.1.1.1 73 0x80000002 0x00A780 0 R3では、再配送されたルート1.1.1.1/32と2.2.2.2/32が消えています。 R3#show ip route O IA 192.168.12.0/24 [110/20] via 192.168.23.2, 00 02 17, Ethernet0/1 3.0.0.0/32 is subnetted, 1 subnets C 3.3.3.3 is directly connected, Loopback0 C 192.168.30.0/24 is directly connected, Ethernet0/0 C 192.168.23.0/24 is directly connected, Ethernet0/1 O*IA 0.0.0.0/0 [110/11] via 192.168.23.2, 00 02 17, Ethernet0/1 R3#show ip ospf database OSPF Router with ID (3.3.3.3) (Process ID 1) Router Link States (Area 1) Link ID ADV Router Age Seq# Checksum Link count 2.2.2.2 2.2.2.2 154 0x80000006 0x00FD12 1 3.3.3.3 3.3.3.3 163 0x80000005 0x00BE4A 1 Net Link States (Area 1) Link ID ADV Router Age Seq# Checksum 192.168.23.3 3.3.3.3 162 0x80000001 0x006038 Summary Net Link States (Area 1) Link ID ADV Router Age Seq# Checksum 0.0.0.0 2.2.2.2 190 0x80000001 0x0075C0 192.168.12.0 2.2.2.2 190 0x80000004 0x009321 R3# 検証3 totally stub area totally stub areaの設定 totally stub areaの設定を行います。 R2(config)#router ospf 1 R2(config-router)#area 1 stub no-summary R3の確認 totally stub areaでは、デフォルトルートを除くsummary route(LSA type 3)が遮断されます。検証2 stub areaと比較して、R3のルーティングテーブルを見ると、192.168.12.0/24が消えて、デフォルトルートが加わったのが分かります。 R3#show ip route - 略 - 3.0.0.0/32 is subnetted, 1 subnets C 3.3.3.3 is directly connected, Loopback0 C 192.168.30.0/24 is directly connected, Ethernet0/0 C 192.168.23.0/24 is directly connected, Ethernet0/1 O*IA 0.0.0.0/0 [110/11] via 192.168.23.2, 00 00 35, Ethernet0/1 - デフォルトルート R3#show ip ospf database OSPF Router with ID (3.3.3.3) (Process ID 1) Router Link States (Area 1) Link ID ADV Router Age Seq# Checksum Link count 2.2.2.2 2.2.2.2 193 0x80000007 0x00FB13 1 3.3.3.3 3.3.3.3 62 0x80000006 0x00BC4B 1 Net Link States (Area 1) Link ID ADV Router Age Seq# Checksum 192.168.23.3 3.3.3.3 360 0x80000001 0x006038 Summary Net Link States (Area 1) Link ID ADV Router Age Seq# Checksum 0.0.0.0 2.2.2.2 44 0x80000002 0x0073C1 - R2から通知されたデフォルトルート R3# 検証4 nssa nssaの設定 nssaの設定を行います。以下の設定を投入します。 R2(config)#router ospf 1 R2(config-router)#no area 1 stub R2(config-router)#area 1 nssa R3(config)#router ospf 1 R3(config-router)#no area 1 stub R3(config-router)#area 1 nssa R1の確認 stubと異なり、外部ルートがルーティングテーブルに載っているのが確認できます。 R1#show ip route - 略 - C 192.168.12.0/24 is directly connected, Ethernet0/0 1.0.0.0/32 is subnetted, 1 subnets C 1.1.1.1 is directly connected, Loopback0 2.0.0.0/32 is subnetted, 1 subnets O E2 2.2.2.2 [110/20] via 192.168.12.2, 00 00 08, Ethernet0/0 - R2でType7がType5に変換したルート 3.0.0.0/32 is subnetted, 1 subnets O E2 3.3.3.3 [110/20] via 192.168.12.2, 00 00 07, Ethernet0/0 - R2でType7がType5に変換したルート O E2 192.168.30.0/24 [110/20] via 192.168.12.2, 00 00 07, Ethernet0/0 - R2でType7がType5に変換したルート C 192.168.10.0/24 is directly connected, Ethernet0/1 O IA 192.168.23.0/24 [110/20] via 192.168.12.2, 00 00 13, Ethernet0/0 R1#show ip ospf database OSPF Router with ID (1.1.1.1) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 540 0x80000004 0x001E12 1 2.2.2.2 2.2.2.2 429 0x80000004 0x00E243 1 Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 192.168.12.1 1.1.1.1 540 0x80000002 0x00C5EC Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 192.168.23.0 2.2.2.2 18 0x8000000B 0x00EDB2 Type-5 AS External Link States Link ID ADV Router Age Seq# Checksum Tag 1.1.1.1 1.1.1.1 540 0x80000002 0x0099FD 0 2.2.2.2 2.2.2.2 429 0x80000002 0x004D42 0 3.3.3.3 2.2.2.2 13 0x80000001 0x00A761 0 - R2でType7がType5に変換されたルート 192.168.10.0 1.1.1.1 541 0x80000002 0x00A780 0 192.168.30.0 2.2.2.2 13 0x80000001 0x003558 0 - R2でType7がType5に変換されたルート R1# R2の確認 R3から通知された外部ルートには「N2と表記されています。」 R2#show ip route - 略 - C 192.168.12.0/24 is directly connected, Ethernet0/1 1.0.0.0/32 is subnetted, 1 subnets O E2 1.1.1.1 [110/20] via 192.168.12.1, 00 00 26, Ethernet0/1 2.0.0.0/32 is subnetted, 1 subnets C 2.2.2.2 is directly connected, Loopback0 3.0.0.0/32 is subnetted, 1 subnets O N2 3.3.3.3 [110/20] via 192.168.23.3, 00 00 26, Ethernet0/0 - R3から通知された外部ルート O N2 192.168.30.0/24 [110/20] via 192.168.23.3, 00 00 26, Ethernet0/0 - R3から通知された外部ルート O E2 192.168.10.0/24 [110/20] via 192.168.12.1, 00 00 26, Ethernet0/1 C 192.168.23.0/24 is directly connected, Ethernet0/0 R2#show ip ospf database OSPF Router with ID (2.2.2.2) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 560 0x80000004 0x001E12 1 2.2.2.2 2.2.2.2 448 0x80000004 0x00E243 1 Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 192.168.12.1 1.1.1.1 560 0x80000002 0x00C5EC Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 192.168.23.0 2.2.2.2 36 0x8000000B 0x00EDB2 Router Link States (Area 1) Link ID ADV Router Age Seq# Checksum Link count 2.2.2.2 2.2.2.2 46 0x80000009 0x00857D 1 3.3.3.3 3.3.3.3 46 0x8000000A 0x0042B7 1 Net Link States (Area 1) Link ID ADV Router Age Seq# Checksum 192.168.23.3 3.3.3.3 42 0x80000002 0x00E5A9 Summary Net Link States (Area 1) Link ID ADV Router Age Seq# Checksum 192.168.12.0 2.2.2.2 89 0x80000002 0x001F8F Type-7 AS External Link States (Area 1) Link ID ADV Router Age Seq# Checksum Tag 2.2.2.2 2.2.2.2 88 0x80000001 0x00AB60 0 3.3.3.3 3.3.3.3 54 0x80000001 0x00F406 0 192.168.30.0 3.3.3.3 54 0x80000001 0x0082FC 0 Type-5 AS External Link States Link ID ADV Router Age Seq# Checksum Tag 1.1.1.1 1.1.1.1 561 0x80000002 0x0099FD 0 2.2.2.2 2.2.2.2 448 0x80000002 0x004D42 0 3.3.3.3 2.2.2.2 31 0x80000001 0x00A761 0 192.168.10.0 1.1.1.1 561 0x80000002 0x00A780 0 192.168.30.0 2.2.2.2 31 0x80000001 0x003558 0 R2# R3の確認 R3は以下の通りです。 R3#show ip route - 略 - O IA 192.168.12.0/24 [110/20] via 192.168.23.2, 00 00 50, Ethernet0/1 2.0.0.0/32 is subnetted, 1 subnets O N2 2.2.2.2 [110/20] via 192.168.23.2, 00 00 50, Ethernet0/1 3.0.0.0/32 is subnetted, 1 subnets C 3.3.3.3 is directly connected, Loopback0 C 192.168.30.0/24 is directly connected, Ethernet0/0 C 192.168.23.0/24 is directly connected, Ethernet0/1 R3#show ip ospf database OSPF Router with ID (3.3.3.3) (Process ID 1) Router Link States (Area 1) Link ID ADV Router Age Seq# Checksum Link count 2.2.2.2 2.2.2.2 68 0x80000009 0x00857D 1 3.3.3.3 3.3.3.3 68 0x8000000A 0x0042B7 1 Net Link States (Area 1) Link ID ADV Router Age Seq# Checksum 192.168.23.3 3.3.3.3 63 0x80000002 0x00E5A9 Summary Net Link States (Area 1) Link ID ADV Router Age Seq# Checksum 192.168.12.0 2.2.2.2 111 0x80000002 0x001F8F Type-7 AS External Link States (Area 1) Link ID ADV Router Age Seq# Checksum Tag 2.2.2.2 2.2.2.2 110 0x80000001 0x00AB60 0 3.3.3.3 3.3.3.3 75 0x80000001 0x00F406 0 192.168.30.0 3.3.3.3 75 0x80000001 0x0082FC 0 検証5 totally nssa totally nssaの設定 totally nssaの設定を行います。以下の設定を投入します。 R2(config)#router ospf 1 R2(config-router)#area 1 nssa no-summary ルーティングテーブルとLSAの確認検証4 nssaと異なり、summary（デフォルトルートを除く）が遮断されます。R3のルーティングテーブルから192.168.12.0/24が消え、デフォルトルートが追加されている事が確認できます。 R3#show ip route - 略 - 2.0.0.0/32 is subnetted, 1 subnets O N2 2.2.2.2 [110/20] via 192.168.23.2, 00 00 17, Ethernet0/1 3.0.0.0/32 is subnetted, 1 subnets C 3.3.3.3 is directly connected, Loopback0 C 192.168.30.0/24 is directly connected, Ethernet0/0 C 192.168.23.0/24 is directly connected, Ethernet0/1 O*IA 0.0.0.0/0 [110/11] via 192.168.23.2, 00 00 22, Ethernet0/1 R3#show ip ospf database OSPF Router with ID (3.3.3.3) (Process ID 1) Router Link States (Area 1) Link ID ADV Router Age Seq# Checksum Link count 2.2.2.2 2.2.2.2 143 0x80000009 0x00857D 1 3.3.3.3 3.3.3.3 142 0x8000000A 0x0042B7 1 Net Link States (Area 1) Link ID ADV Router Age Seq# Checksum 192.168.23.3 3.3.3.3 137 0x80000002 0x00E5A9 Summary Net Link States (Area 1) Link ID ADV Router Age Seq# Checksum 0.0.0.0 2.2.2.2 29 0x80000001 0x00FC31 Type-7 AS External Link States (Area 1) Link ID ADV Router Age Seq# Checksum Tag 2.2.2.2 2.2.2.2 184 0x80000001 0x00AB60 0 3.3.3.3 3.3.3.3 149 0x80000001 0x00F406 0 192.168.30.0 3.3.3.3 150 0x80000001 0x0082FC 0

新・世界樹の迷宮ミレニアムの少女攻略 @wiki - グラズヘイム Area3

https://w.atwiki.jp/cup_ms/pages/61.html

fumokmm @ ウィキ - replace-keyword-input-area_v0.04

https://w.atwiki.jp/fumokmm/pages/40.html

はてなハイク/replace-keyword-input-area_v0.04

fumokmm @ ウィキ - replace-keyword-input-area_v0.03

https://w.atwiki.jp/fumokmm/pages/39.html

はてなハイク/replace-keyword-input-area_v0.03

GTA4.Team.Area-of - メニュー2

https://w.atwiki.jp/area-of/pages/16.html

入隊にはIDを作って頂く必要があります。例「Area-of_XXXXXXX」（Xは何でもいいです。）

DynagenでCCIEを目指す - トップページ/動作検証ネットワーク系/20100429 OSPFv3 stub area

https://w.atwiki.jp/it_certification/pages/88.html

目的構成事前学習 LSA type 検証1 初期設定の確認検証2 totally stubの設定検証3 totally nssaの設定目的 OSPFv3のLSAについてまとめます。 OSPFv3のSTUB, NSSAの設定方法について確認します。構成設定概要 OPSFv3によってルーティングします。各ルータはconnectedをOSPFにredistributeします。構成図 netファイル #ghostios = True #sparsemem = True model = 3660 [localhost] [[3660]] image = C \Program Files\Dynamips\images\c3660-ik9o3s-mz.124-6.T.bin ram = 256 [[ROUTER R1]] f0/0 = R2 f0/1 [[ROUTER R2]] f0/0 = R3 f0/1 [[ROUTER R3]] 初期設定 R1 ! version 12.4 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname R1 ! boot-start-marker boot-end-marker ! ! no aaa new-model ! resource policy ! memory-size iomem 5 ! ! ip cef ! ! ! ipv6 unicast-routing ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! interface Loopback0 ip address 1.1.1.1 255.255.255.255 ipv6 address 2000 1 1/128 ! interface FastEthernet0/0 no ip address duplex auto speed auto ipv6 address 2000 20 1/112 ipv6 enable ipv6 ospf 1 area 0 ! interface FastEthernet0/1 no ip address duplex auto speed auto ipv6 address 2000 10 1/112 ipv6 enable ipv6 ospf 1 area 0 no keepalive ! ip http server no ip http secure-server ! ! ! ipv6 router ospf 1 log-adjacency-changes redistribute connected ! ! ! ! control-plane ! ! ! ! ! ! ! ! ! line con 0 line aux 0 line vty 0 4 ! ! end 初期設定 R2 ! version 12.4 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname R2 ! boot-start-marker boot-end-marker ! ! no aaa new-model ! resource policy ! memory-size iomem 5 ! ! ip cef ! ! ! ipv6 unicast-routing ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! interface Loopback0 ip address 2.2.2.2 255.255.255.255 ipv6 address 2000 2 2/128 ! interface FastEthernet0/0 no ip address duplex auto speed auto ipv6 address 2000 30 2/112 ipv6 enable ipv6 ospf 1 area 1 ! interface FastEthernet0/1 no ip address duplex auto speed auto ipv6 address 2000 20 2/112 ipv6 enable ipv6 ospf 1 area 0 ! ip http server no ip http secure-server ! ! ! ipv6 router ospf 1 log-adjacency-changes redistribute connected ! ! ! ! control-plane ! ! ! ! ! ! ! ! ! line con 0 line aux 0 line vty 0 4 ! ! end 初期設定 R3 ! version 12.4 service timestamps debug datetime msec service timestamps log datetime msec no service password-encryption ! hostname R3 ! boot-start-marker boot-end-marker ! ! no aaa new-model ! resource policy ! memory-size iomem 5 ! ! ip cef ! ! ! ipv6 unicast-routing ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! interface Loopback0 ip address 3.3.3.3 255.255.255.255 ipv6 address 2000 3 3/128 ! interface FastEthernet0/0 no ip address duplex auto speed auto ipv6 address 2000 40 3/112 no keepalive ! interface FastEthernet0/1 no ip address duplex auto speed auto ipv6 address 2000 30 3/112 ipv6 enable ipv6 ospf 1 area 1 ! ip http server no ip http secure-server ! ! ! ipv6 router ospf 1 log-adjacency-changes redistribute connected ! ! ! ! control-plane ! ! ! ! ! ! ! ! ! line con 0 line aux 0 line vty 0 4 ! ! end 事前学習 LSA type Areaの定義 OSPFv3 LSA typeについてまとめる前に、Areaの意味について確認します。Cisco Pressの書物やCCOでは、以下の意味でAreaという言葉を用いているようです。IntraとInterが紛らわしいので、しっかり確認しておきましょう。用語意味 Intra-Area OSPFドメイン内のArea番号が一致する範囲 Inter-Area OPSFドメイン内のArea番号が一致しない範囲 External-Area OSPFドメイン外 LSA type ipv4と比較して、LSA type1, 2に一部変更があります。type1,2の一部がtype8,9に移行しました。それ以外は、ipv4と同じ構成になっています。 LSA type name OSPFとの対応 Routing table show ipv6 ospf database 0x2001 Router LSA LSA type1に相当（但し、一部Link LSAに移行） O Router Link States 0x2002 Network LSA LSA type2に相当（但し、一部Intra-Area Prefix LSAに移行） O Net Link States 0x2008 Link LSA LSA type1の一部 O Link (Type-8) Link States 0x2009 Intra-Area Prefix LSA LSA type2の一部 O Intra Area Prefix Link States 0x2003 Inter-Area Prefix LSA LSA Type 3 OI Inter Area Prefix Link States 0x2004 Inter-Area Router LSA LSA Type 4 OI Inter Area Router Link States 0x2005 AS-Eternal LSA LSA Type 5 OE1, OE2 Type-5 AS External Link States 0x2007 Type-7 LSA LSA Type 7 ON1, ON2 Type-7 AS External Link States 検証1 初期設定の確認初期設定時のルーティングテーブルと LSA databaseを確認します。LSA databaseは読むのに時間がかかると思いますが、よく読むと、Intra-Area以外はipv4と全く同じ表記である事が分かります。また、Intra-Areaに着目しても、一部がtype8,9に移行したと思えば、理解する事ができると思います。 R1#show ipv6 route IPv6 Routing Table - 11 entries Codes C - Connected, L - Local, S - Static, R - RIP, B - BGP U - Per-user Static route I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary O - OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2 ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2 D - EIGRP, EX - EIGRP external LC 2000 1 1/128 [0/0] via , Loopback0 OE2 2000 2 2/128 [110/20] via FE80 CE01 8FF FE80 1, FastEthernet0/0 OE2 2000 3 3/128 [110/20] via FE80 CE01 8FF FE80 1, FastEthernet0/0 C 2000 10 0/112 [0/0] via , FastEthernet0/1 L 2000 10 1/128 [0/0] via , FastEthernet0/1 C 2000 20 0/112 [0/0] via , FastEthernet0/0 L 2000 20 1/128 [0/0] via , FastEthernet0/0 OI 2000 30 0/112 [110/2] via FE80 CE01 8FF FE80 1, FastEthernet0/0 OE2 2000 40 0/112 [110/20] via FE80 CE01 8FF FE80 1, FastEthernet0/0 L FE80 /10 [0/0] via , Null0 L FF00 /8 [0/0] via , Null0 R1# R1# R1#show ipv6 ospf database OSPFv3 Router with ID (1.1.1.1) (Process ID 1) Router Link States (Area 0) ADV Router Age Seq# Fragment ID Link count Bits 1.1.1.1 33 0x80000009 0 1 E 2.2.2.2 438 0x80000005 0 1 EB Net Link States (Area 0) ADV Router Age Seq# Link ID Rtr count 2.2.2.2 472 0x80000001 5 2 Inter Area Prefix Link States (Area 0) ADV Router Age Seq# Prefix 2.2.2.2 466 0x80000001 2000 30 0/112 Inter Area Router Link States (Area 0) ADV Router Age Seq# Link ID Dest RtrID 2.2.2.2 262 0x80000001 50529027 3.3.3.3 Link (Type-8) Link States (Area 0) ADV Router Age Seq# Link ID Interface 1.1.1.1 34 0x80000001 5 Fa0/1 1.1.1.1 533 0x80000002 4 Fa0/0 2.2.2.2 512 0x80000001 5 Fa0/0 Intra Area Prefix Link States (Area 0) ADV Router Age Seq# Link ID Ref-lstype Ref-LSID 1.1.1.1 34 0x80000001 0 0x2001 0 2.2.2.2 473 0x80000001 1005 0x2002 5 Type-5 AS External Link States ADV Router Age Seq# Prefix 1.1.1.1 658 0x80000001 2000 1 1/128 2.2.2.2 438 0x80000001 2000 2 2/128 3.3.3.3 268 0x80000001 2000 3 3/128 3.3.3.3 268 0x80000001 2000 40 0/112 R1# R2#show ipv6 route IPv6 Routing Table - 11 entries Codes C - Connected, L - Local, S - Static, R - RIP, B - BGP U - Per-user Static route I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary O - OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2 ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2 D - EIGRP, EX - EIGRP external OE2 2000 1 1/128 [110/20] via FE80 CE00 8FF FE80 0, FastEthernet0/1 LC 2000 2 2/128 [0/0] via , Loopback0 OE2 2000 3 3/128 [110/20] via FE80 CE02 8FF FE80 1, FastEthernet0/0 O 2000 10 0/112 [110/2] via FE80 CE00 8FF FE80 0, FastEthernet0/1 C 2000 20 0/112 [0/0] via , FastEthernet0/1 L 2000 20 2/128 [0/0] via , FastEthernet0/1 C 2000 30 0/112 [0/0] via , FastEthernet0/0 L 2000 30 2/128 [0/0] via , FastEthernet0/0 OE2 2000 40 0/112 [110/20] via FE80 CE02 8FF FE80 1, FastEthernet0/0 L FE80 /10 [0/0] via , Null0 L FF00 /8 [0/0] via , Null0 R2# R2# R2#show ipv6 ospf database OSPFv3 Router with ID (2.2.2.2) (Process ID 1) Router Link States (Area 0) ADV Router Age Seq# Fragment ID Link count Bits 1.1.1.1 40 0x8000000A 0 1 E 2.2.2.2 484 0x80000005 0 1 EB Net Link States (Area 0) ADV Router Age Seq# Link ID Rtr count 2.2.2.2 518 0x80000001 5 2 Inter Area Prefix Link States (Area 0) ADV Router Age Seq# Prefix 2.2.2.2 512 0x80000001 2000 30 0/112 Inter Area Router Link States (Area 0) ADV Router Age Seq# Link ID Dest RtrID 2.2.2.2 307 0x80000001 50529027 3.3.3.3 Link (Type-8) Link States (Area 0) ADV Router Age Seq# Link ID Interface 1.1.1.1 580 0x80000002 4 Fa0/1 2.2.2.2 559 0x80000001 5 Fa0/1 Intra Area Prefix Link States (Area 0) ADV Router Age Seq# Link ID Ref-lstype Ref-LSID 1.1.1.1 81 0x80000001 0 0x2001 0 2.2.2.2 519 0x80000001 1005 0x2002 5 Router Link States (Area 1) ADV Router Age Seq# Fragment ID Link count Bits 2.2.2.2 333 0x80000005 0 1 EB 3.3.3.3 314 0x80000004 0 1 E Net Link States (Area 1) ADV Router Age Seq# Link ID Rtr count 2.2.2.2 342 0x80000001 4 2 Inter Area Prefix Link States (Area 1) ADV Router Age Seq# Prefix 2.2.2.2 522 0x80000001 2000 20 0/112 2.2.2.2 75 0x80000001 2000 10 0/112 Inter Area Router Link States (Area 1) ADV Router Age Seq# Link ID Dest RtrID 2.2.2.2 513 0x80000001 16843009 1.1.1.1 Link (Type-8) Link States (Area 1) ADV Router Age Seq# Link ID Interface 2.2.2.2 522 0x80000001 4 Fa0/0 3.3.3.3 344 0x80000001 5 Fa0/0 Intra Area Prefix Link States (Area 1) ADV Router Age Seq# Link ID Ref-lstype Ref-LSID 2.2.2.2 342 0x80000001 1004 0x2002 4 Type-5 AS External Link States ADV Router Age Seq# Prefix 1.1.1.1 705 0x80000001 2000 1 1/128 2.2.2.2 485 0x80000001 2000 2 2/128 3.3.3.3 314 0x80000001 2000 3 3/128 3.3.3.3 314 0x80000001 2000 40 0/112 R2# R3#show ipv6 route IPv6 Routing Table - 11 entries Codes C - Connected, L - Local, S - Static, R - RIP, B - BGP U - Per-user Static route I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary O - OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2 ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2 D - EIGRP, EX - EIGRP external OE2 2000 1 1/128 [110/20] via FE80 CE01 8FF FE80 0, FastEthernet0/1 OE2 2000 2 2/128 [110/20] via FE80 CE01 8FF FE80 0, FastEthernet0/1 LC 2000 3 3/128 [0/0] via , Loopback0 OI 2000 10 0/112 [110/3] via FE80 CE01 8FF FE80 0, FastEthernet0/1 OI 2000 20 0/112 [110/2] via FE80 CE01 8FF FE80 0, FastEthernet0/1 C 2000 30 0/112 [0/0] via , FastEthernet0/1 L 2000 30 3/128 [0/0] via , FastEthernet0/1 C 2000 40 0/112 [0/0] via , FastEthernet0/0 L 2000 40 3/128 [0/0] via , FastEthernet0/0 L FE80 /10 [0/0] via , Null0 L FF00 /8 [0/0] via , Null0 R3# R3# R3#show ipv6 ospf database OSPFv3 Router with ID (3.3.3.3) (Process ID 1) Router Link States (Area 1) ADV Router Age Seq# Fragment ID Link count Bits 2.2.2.2 393 0x80000005 0 1 EB 3.3.3.3 372 0x80000004 0 1 E Net Link States (Area 1) ADV Router Age Seq# Link ID Rtr count 2.2.2.2 402 0x80000001 4 2 Inter Area Prefix Link States (Area 1) ADV Router Age Seq# Prefix 2.2.2.2 582 0x80000001 2000 20 0/112 2.2.2.2 135 0x80000001 2000 10 0/112 Inter Area Router Link States (Area 1) ADV Router Age Seq# Link ID Dest RtrID 2.2.2.2 572 0x80000001 16843009 1.1.1.1 Link (Type-8) Link States (Area 1) ADV Router Age Seq# Link ID Interface 2.2.2.2 582 0x80000001 4 Fa0/1 3.3.3.3 402 0x80000001 5 Fa0/1 Intra Area Prefix Link States (Area 1) ADV Router Age Seq# Link ID Ref-lstype Ref-LSID 2.2.2.2 402 0x80000001 1004 0x2002 4 Type-5 AS External Link States ADV Router Age Seq# Prefix 1.1.1.1 765 0x80000001 2000 1 1/128 2.2.2.2 544 0x80000001 2000 2 2/128 3.3.3.3 372 0x80000001 2000 3 3/128 3.3.3.3 372 0x80000001 2000 40 0/112 R3# 検証2 totally stubの設定 tottaly stubの設定 tottaly stubの設定を以下の要領で行います。しかし、R3に設定を投入する事ができませんでした。「ASBRにstubの設定はできません」とエラーが出力されます。IPv4の時は、ASBRであろうがお構いなしにSTUBの設定ができました（「トップページ/動作検証ネットワーク系/20100421 OSPF stub area」を参照）が、IPv6ではちゃんとエラーメッセージを出力してくれるようです。ちょっと、お利口になったようです。 R2(config)#ipv6 router ospf 1 R2(config-rtr)#area 1 stub no-summary R2(config-rtr)# *Mar 1 00 21 56.119 %OSPFv3-5-ADJCHG Process 1, Nbr 3.3.3.3 on FastEthernet0/0 from FULL to DOWN, Neighbor Down Adjacency forced to reset *Mar 1 00 22 38.791 %OSPFv3-5-ADJCHG Process 1, Nbr 3.3.3.3 on FastEthernet0/0 from DOWN to DOWN, Neighbor Down Dead timer expired R3(config)#ipv6 router ospf 1 R3(config-rtr)#area 1 stub OSPFv3 Stub command is invalid when it is ASBR tottaly stubの設定削除 tottaly stubの設定を削除します。 R2(config)#ipv6 router ospf 1 R2(config-rtr)#no area 1 stub no-summary 検証3 totally nssaの設定 totally nssaの設定以下の要領でtotally nssaの設定を行います。 R2(config)#ipv6 router ospf 1 R2(config-rtr)#area 1 nssa no-summary R3(config)#ipv6 router ospf 1 R3(config-rtr)#area 1 nssa ルーティングテーブルとLSAの確認ルーティングテーブルとLSA databaseを確認します。IPv4と同様に、R3にデフォルトルートが通知されている事やR3からR2へType 7のLSAが送信されている事が確認できると思います。 R1#show ipv6 route IPv6 Routing Table - 11 entries Codes C - Connected, L - Local, S - Static, R - RIP, B - BGP U - Per-user Static route I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary O - OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2 ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2 D - EIGRP, EX - EIGRP external LC 2000 1 1/128 [0/0] via , Loopback0 OE2 2000 2 2/128 [110/20] via FE80 CE01 8FF FE80 1, FastEthernet0/0 OE2 2000 3 3/128 [110/20] via FE80 CE01 8FF FE80 1, FastEthernet0/0 C 2000 10 0/112 [0/0] via , FastEthernet0/1 L 2000 10 1/128 [0/0] via , FastEthernet0/1 C 2000 20 0/112 [0/0] via , FastEthernet0/0 L 2000 20 1/128 [0/0] via , FastEthernet0/0 OI 2000 30 0/112 [110/2] via FE80 CE01 8FF FE80 1, FastEthernet0/0 OE2 2000 40 0/112 [110/20] via FE80 CE01 8FF FE80 1, FastEthernet0/0 L FE80 /10 [0/0] via , Null0 L FF00 /8 [0/0] via , Null0 R1# R1# R1#show ipv6 ospf database OSPFv3 Router with ID (1.1.1.1) (Process ID 1) Router Link States (Area 0) ADV Router Age Seq# Fragment ID Link count Bits 1.1.1.1 702 0x8000000A 0 1 E 2.2.2.2 1148 0x80000005 0 1 EB Net Link States (Area 0) ADV Router Age Seq# Link ID Rtr count 2.2.2.2 1182 0x80000001 5 2 Inter Area Prefix Link States (Area 0) ADV Router Age Seq# Prefix 2.2.2.2 22 0x80000001 2000 30 0/112 Link (Type-8) Link States (Area 0) ADV Router Age Seq# Link ID Interface 1.1.1.1 742 0x80000001 5 Fa0/1 1.1.1.1 1242 0x80000002 4 Fa0/0 2.2.2.2 1222 0x80000001 5 Fa0/0 Intra Area Prefix Link States (Area 0) ADV Router Age Seq# Link ID Ref-lstype Ref-LSID 1.1.1.1 743 0x80000001 0 0x2001 0 2.2.2.2 1183 0x80000001 1005 0x2002 5 Type-5 AS External Link States ADV Router Age Seq# Prefix 1.1.1.1 1368 0x80000001 2000 1 1/128 2.2.2.2 1148 0x80000001 2000 2 2/128 2.2.2.2 22 0x80000001 2000 3 3/128 2.2.2.2 22 0x80000001 2000 40 0/112 R1# R2#show ipv6 route IPv6 Routing Table - 11 entries Codes C - Connected, L - Local, S - Static, R - RIP, B - BGP U - Per-user Static route I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary O - OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2 ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2 D - EIGRP, EX - EIGRP external OE2 2000 1 1/128 [110/20] via FE80 CE00 8FF FE80 0, FastEthernet0/1 LC 2000 2 2/128 [0/0] via , Loopback0 ON2 2000 3 3/128 [110/20] via FE80 CE02 8FF FE80 1, FastEthernet0/0 O 2000 10 0/112 [110/2] via FE80 CE00 8FF FE80 0, FastEthernet0/1 C 2000 20 0/112 [0/0] via , FastEthernet0/1 L 2000 20 2/128 [0/0] via , FastEthernet0/1 C 2000 30 0/112 [0/0] via , FastEthernet0/0 L 2000 30 2/128 [0/0] via , FastEthernet0/0 ON2 2000 40 0/112 [110/20] via FE80 CE02 8FF FE80 1, FastEthernet0/0 L FE80 /10 [0/0] via , Null0 L FF00 /8 [0/0] via , Null0 R2# R2# R2#show ipv6 ospf database OSPFv3 Router with ID (2.2.2.2) (Process ID 1) Router Link States (Area 0) ADV Router Age Seq# Fragment ID Link count Bits 1.1.1.1 730 0x8000000A 0 1 E 2.2.2.2 1173 0x80000005 0 1 EB Net Link States (Area 0) ADV Router Age Seq# Link ID Rtr count 2.2.2.2 1207 0x80000001 5 2 Inter Area Prefix Link States (Area 0) ADV Router Age Seq# Prefix 2.2.2.2 47 0x80000001 2000 30 0/112 Link (Type-8) Link States (Area 0) ADV Router Age Seq# Link ID Interface 1.1.1.1 1269 0x80000002 4 Fa0/1 2.2.2.2 1247 0x80000001 5 Fa0/1 Intra Area Prefix Link States (Area 0) ADV Router Age Seq# Link ID Ref-lstype Ref-LSID 1.1.1.1 770 0x80000001 0 0x2001 0 2.2.2.2 1208 0x80000001 1005 0x2002 5 Router Link States (Area 1) ADV Router Age Seq# Fragment ID Link count Bits 2.2.2.2 57 0x8000000C 0 1 EB 3.3.3.3 58 0x80000009 0 1 E Net Link States (Area 1) ADV Router Age Seq# Link ID Rtr count 3.3.3.3 58 0x80000003 5 2 Inter Area Prefix Link States (Area 1) ADV Router Age Seq# Prefix 2.2.2.2 78 0x80000001 /0 Type-7 AS External Link States (Area 1) ADV Router Age Seq# Prefix 2.2.2.2 77 0x80000001 2000 2 2/128 3.3.3.3 63 0x80000001 2000 3 3/128 3.3.3.3 63 0x80000001 2000 40 0/112 Link (Type-8) Link States (Area 1) ADV Router Age Seq# Link ID Interface 2.2.2.2 1212 0x80000001 4 Fa0/0 3.3.3.3 1033 0x80000001 5 Fa0/0 Intra Area Prefix Link States (Area 1) ADV Router Age Seq# Link ID Ref-lstype Ref-LSID 3.3.3.3 58 0x80000003 1005 0x2002 5 Type-5 AS External Link States ADV Router Age Seq# Prefix 1.1.1.1 1395 0x80000001 2000 1 1/128 2.2.2.2 1174 0x80000001 2000 2 2/128 2.2.2.2 48 0x80000001 2000 3 3/128 2.2.2.2 48 0x80000001 2000 40 0/112 R2# R3#show ipv6 route IPv6 Routing Table - 9 entries Codes C - Connected, L - Local, S - Static, R - RIP, B - BGP U - Per-user Static route I1 - ISIS L1, I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary O - OSPF intra, OI - OSPF inter, OE1 - OSPF ext 1, OE2 - OSPF ext 2 ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2 D - EIGRP, EX - EIGRP external OI /0 [110/2] via FE80 CE01 8FF FE80 0, FastEthernet0/1 ON2 2000 2 2/128 [110/20] via FE80 CE01 8FF FE80 0, FastEthernet0/1 LC 2000 3 3/128 [0/0] via , Loopback0 C 2000 30 0/112 [0/0] via , FastEthernet0/1 L 2000 30 3/128 [0/0] via , FastEthernet0/1 C 2000 40 0/112 [0/0] via , FastEthernet0/0 L 2000 40 3/128 [0/0] via , FastEthernet0/0 L FE80 /10 [0/0] via , Null0 L FF00 /8 [0/0] via , Null0 R3# R3# R3#show ipv6 ospf database OSPFv3 Router with ID (3.3.3.3) (Process ID 1) Router Link States (Area 1) ADV Router Age Seq# Fragment ID Link count Bits 2.2.2.2 77 0x8000000C 0 1 EB 3.3.3.3 76 0x80000009 0 1 E Net Link States (Area 1) ADV Router Age Seq# Link ID Rtr count 3.3.3.3 76 0x80000003 5 2 Inter Area Prefix Link States (Area 1) ADV Router Age Seq# Prefix 2.2.2.2 98 0x80000001 /0 Type-7 AS External Link States (Area 1) ADV Router Age Seq# Prefix 2.2.2.2 97 0x80000001 2000 2 2/128 3.3.3.3 81 0x80000001 2000 3 3/128 3.3.3.3 81 0x80000001 2000 40 0/112 Link (Type-8) Link States (Area 1) ADV Router Age Seq# Link ID Interface 2.2.2.2 1232 0x80000001 4 Fa0/1 3.3.3.3 1052 0x80000001 5 Fa0/1 Intra Area Prefix Link States (Area 1) ADV Router Age Seq# Link ID Ref-lstype Ref-LSID 3.3.3.3 77 0x80000003 1005 0x2002 5 R3#

fumokmm @ ウィキ - replace-keyword-input-area_v0.01

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fumokmm @ ウィキ - replace-keyword-input-area_v0.02

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