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2013年10月アーカイブの最新記事

ルート制御 その2

（所属カテゴリー：IPルーティング | シスコ---投稿日時：2013年10月25日）

ネットワーク構成

ルート制御 ネットワーク構成

設定概要

各ルータのルーティングに関する設定は次のとおりです。

R1

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
interface Ethernet0/0
 ip address 192.168.12.1 255.255.255.0
!
interface Ethernet0/1
 ip address 192.168.13.1 255.255.255.0
!
interface Ethernet0/2
 ip address 192.168.14.1 255.255.255.0
!
interface Ethernet0/3
 ip address 192.168.15.1 255.255.255.0
!
interface Ethernet1/0
 ip address 192.168.16.1 255.255.255.0
!
interface Ethernet1/1
 ip address 192.168.17.1 255.255.255.0
!
router eigrp 1
 network 192.168.16.0
 network 192.168.17.0
 no auto-summary
!
router ospf 1
 router-id 1.1.1.1
 log-adjacency-changes
 network 192.168.14.0 0.0.0.255 area 0
 network 192.168.15.0 0.0.0.255 area 0
!
router rip
 version 2
 network 192.168.12.0
 network 192.168.13.0
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

R2

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
interface Ethernet0/0
 ip address 192.168.12.2 255.255.255.0
!
interface Ethernet0/1
 ip address 192.168.28.2 255.255.255.0
!
router rip
 version 2
 network 192.168.12.0
 network 192.168.28.0
 no auto-summary
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

R3

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
interface Ethernet0/0
 ip address 192.168.13.3 255.255.255.0
!
interface Ethernet0/1
 ip address 192.168.38.3 255.255.255.0
!
router rip
 version 2
 network 192.168.13.0
 network 192.168.38.0
 no auto-summary
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

R4

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
interface Ethernet0/0
 ip address 192.168.14.4 255.255.255.0
!
interface Ethernet0/1
 ip address 192.168.48.4 255.255.255.0
!
router ospf 1
 router-id 4.4.4.4
 log-adjacency-changes
 network 192.168.0.0 0.0.255.255 area 0
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

R5

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
interface Ethernet0/0
 ip address 192.168.15.5 255.255.255.0
!
interface Ethernet0/1
 ip address 192.168.58.5 255.255.255.0
!
router ospf 1
 router-id 5.5.5.5
 log-adjacency-changes
 network 192.168.0.0 0.0.255.255 area 0
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

R6

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
interface Ethernet0/0
 ip address 192.168.16.6 255.255.255.0
!
interface Ethernet0/1
 ip address 192.168.68.6 255.255.255.0
!
router eigrp 1
 network 192.168.0.0 0.0.255.255
 no auto-summary
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

R7

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
interface Ethernet0/0
 ip address 192.168.17.7 255.255.255.0
!
interface Ethernet0/1
 ip address 192.168.78.7 255.255.255.0
!
router eigrp 1
 network 192.168.0.0 0.0.255.255
 no auto-summary
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

R8

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
interface Loopback0
 ip address 192.168.2.8 255.255.255.0 secondary
 ip address 192.168.4.8 255.255.255.0 secondary
 ip address 192.168.6.8 255.255.255.0 secondary
 ip address 192.168.1.8 255.255.255.0
 ip ospf network point-to-point
!
interface Loopback3
 ip address 192.168.3.8 255.255.255.0
 ip ospf network point-to-point
!
interface Loopback5
 ip address 192.168.5.8 255.255.255.0
 ip ospf network point-to-point
!
interface Ethernet0/0
 ip address 192.168.28.8 255.255.255.0
!
interface Ethernet0/1
 ip address 192.168.38.8 255.255.255.0
!
interface Ethernet0/2
 ip address 192.168.48.8 255.255.255.0
!
interface Ethernet0/3
 ip address 192.168.58.8 255.255.255.0
!
interface Ethernet1/0
 ip address 192.168.68.8 255.255.255.0
!
interface Ethernet1/1
 ip address 192.168.78.8 255.255.255.0
!
router eigrp 1
 network 192.168.1.0
 network 192.168.2.0
 network 192.168.3.0
 network 192.168.4.0
 network 192.168.5.0
 network 192.168.6.0
 network 192.168.68.0
 network 192.168.78.0
 no auto-summary
!
router ospf 1
 router-id 8.8.8.8
 log-adjacency-changes
 network 192.168.1.0 0.0.0.255 area 0
 network 192.168.2.0 0.0.0.255 area 0
 network 192.168.3.0 0.0.0.255 area 0
 network 192.168.4.0 0.0.0.255 area 0
 network 192.168.5.0 0.0.0.255 area 0
 network 192.168.6.0 0.0.0.255 area 0
 network 192.168.48.0 0.0.0.255 area 0
 network 192.168.58.0 0.0.0.255 area 0
!
router rip
 version 2
 network 192.168.1.0
 network 192.168.2.0
 network 192.168.3.0
 network 192.168.4.0
 network 192.168.5.0
 network 192.168.6.0
 network 192.168.28.0
 network 192.168.38.0
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

※GNS3プロジェクトダウンロード(MM_1233_route_control02_init.zip)

問題

R1のルーティングテーブルで192.168.3.0/24と192.168.4.0/24がOSPF ルートとして次のように見えるようにしてください。

R1

----------------------------------------------------
R1#show ip route ospf
O    192.168.4.0/24 [89/21] via 192.168.15.5, 00:00:55, Ethernet0/3
                    [89/21] via 192.168.14.4, 00:00:55, Ethernet0/2
O    192.168.3.0/24 [89/21] via 192.168.15.5, 00:00:55, Ethernet0/3
                    [89/21] via 192.168.14.4, 00:00:55, Ethernet0/2
----------------------------------------------------

※ 上記の出力はOSPFルートの抜粋です