概要

2つのEIGRPドメインとRIPドメインを組み合わせてルーティングを行います。条件に基づいて設定していますが、設定ミスがあります。設定ミスの切り分けと修正を行います。

ネットワーク構成

図 EIGRP応用設定 ネットワーク構成
図 EIGRP応用設定 ネットワーク構成

設定条件

  1. ネットワーク構成の通りにRIP、EIGRP AS1、EIGRP AS2の設定を行います。自動集約はすべて無効化してください。
  2. R6のK値を次のように設定してください。
    K1=K2=K3=K4=K5=1
  3. RIPドメインのルートはEIGRP AS1ドメインでは、172.16.0.0/16で見えるようにしてください。
  4. EIGRP AS2ドメインのルートはEIGRP AS1ドメインでは、10.1.0.0/16で見えるようにしてください。
  5. R1のルーティングテーブルに192.168.2.0/24のルートが次のように登録されるようにしてください。なお、このための設定はR1でのみ行なってください。メトリックの値そのものは例と異なっていても問題ありません。
    —————————————————-
    R1#show ip route eigrp             
    — omitted —
    D    192.168.2.0/24 [90/439600] via 192.168.21.2, 00:03:05, Ethernet0/1
                        [90/2349056] via 192.168.14.4, 00:03:05, Serial1/0
                        [90/439600] via 192.168.12.2, 00:03:05, Ethernet0/0
    — omitted —
    —————————————————-
  6. R4から192.168.3.3に対するTracerouteの結果が次のように表示されるようにしてください。
    —————————————————-
    R4#traceroute 192.168.3.3

    Type escape sequence to abort.
    Tracing the route to 192.168.3.3

      1 192.168.34.3 20 msec *  16 msec
    —————————————————-

初期設定

条件に基づいてEIGRPの設定を行っています。しかし、5つの設定ミスが含まれています。設定ミスによるトラブルの症状は次のとおりです。

  1. R4-R6間のネイバーを確立できません。
  2. EIGRP AS1ドメインでEIGRP AS2ドメインの集約ルート以外のルートが見えています。
  3. EIGRP AS1ドメインからRIPドメインへの通信ができません。
  4. R1から192.168.2.0/24への不等コストロードバランスのルーティングができません。
  5. R4から192.168.3.3へのTracerouteの結果がR1経由になります。

R1 Initical Configuration(Click)

!
!
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
memory-size iomem 5
!
!
ip cef
no ip domain lookup
ip domain name lab.local
!
!
ip auth-proxy max-nodata-conns 3
ip admission max-nodata-conns 3
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
! 
!
!
!
!
interface Ethernet0/0
 ip address 192.168.12.1 255.255.255.0
 half-duplex
!
interface Ethernet0/1
 ip address 192.168.21.1 255.255.255.0
 half-duplex
!
interface Ethernet0/2
 ip address 172.16.15.1 255.255.255.0
 half-duplex
!
interface Ethernet0/3
 no ip address
 shutdown
 half-duplex
!
interface Serial1/0
 ip address 192.168.14.1 255.255.255.0
 encapsulation ppp
 serial restart-delay 0
!
interface Serial1/1
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/2
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/3
 no ip address
 shutdown
 serial restart-delay 0
!
router eigrp 1
 variance 6
 redistribute rip metric 1000000 10 255 1 1500 route-map RIP-SUM
 network 192.168.12.0
 network 192.168.14.0
 network 192.168.21.0
 no auto-summary
!
router rip
 version 2
 redistribute eigrp 1 metric 5
 network 172.16.0.0
 no auto-summary
!
no ip http server
no ip http secure-server
!
ip forward-protocol nd
!
!
access-list 1 permit 172.16.0.0
access-list 2 permit 192.168.2.0
!
route-map RIP-sum permit 10
 match ip address 1
!
!
!
control-plane
!
!
!
!
!
!
!
!
!
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line vty 0 4
 login
!
!
end

R2 Initical Configuration(Click)

!
!
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
memory-size iomem 5
!
!
ip cef
no ip domain lookup
ip domain name lab.local
!
!
ip auth-proxy max-nodata-conns 3
ip admission max-nodata-conns 3
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
! 
!
!
!
!
interface Loopback0
 ip address 192.168.2.2 255.255.255.0
!
interface Ethernet0/0
 ip address 192.168.12.2 255.255.255.0
 half-duplex
!
interface Ethernet0/1
 ip address 192.168.21.2 255.255.255.0
 half-duplex
!
interface Ethernet0/2
 ip address 192.168.23.2 255.255.255.0
 half-duplex
!
interface Ethernet0/3
 no ip address
 shutdown
 half-duplex
!
interface Serial1/0
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/1
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/2
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/3
 no ip address
 shutdown
 serial restart-delay 0
!
router eigrp 1
 network 192.168.2.0
 network 192.168.12.0
 network 192.168.21.0
 network 192.168.23.0
 no auto-summary
!
no ip http server
no ip http secure-server
!
ip forward-protocol nd
!
!
!
!
!
control-plane
!
!
!
!
!
!
!
!
!
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line vty 0 4
 login
!
!
end

R3 Initical Configuration(Click)

!
!
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
memory-size iomem 5
!
!
ip cef
no ip domain lookup
ip domain name lab.local
!
!
ip auth-proxy max-nodata-conns 3
ip admission max-nodata-conns 3
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
! 
!
!
!
!
interface Ethernet0/0
 ip address 192.168.23.3 255.255.255.0
 half-duplex
!
interface Ethernet0/1
 ip address 192.168.3.3 255.255.255.0 secondary
 ip address 192.168.34.3 255.255.255.0
 half-duplex
!
interface Ethernet0/2
 no ip address
 shutdown
 half-duplex
!
interface Ethernet0/3
 no ip address
 shutdown
 half-duplex
!
interface Serial1/0
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/1
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/2
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/3
 no ip address
 shutdown
 serial restart-delay 0
!
router eigrp 1
 network 192.168.3.0
 network 192.168.23.0
 network 192.168.34.0
 no auto-summary
!
no ip http server
no ip http secure-server
!
ip forward-protocol nd
!
!
!
!
!
control-plane
!
!
!
!
!
!
!
!
!
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line vty 0 4
 login
!
!
end

R4 Initical Configuration(Click)

!
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R4
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
!
!
ip cef
no ip domain lookup
ip domain name lab.local
!
!
ip auth-proxy max-nodata-conns 3
ip admission max-nodata-conns 3
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
! 
!
!
!
!
interface Ethernet0/0
 ip address 192.168.34.4 255.255.255.0
 ip summary-address eigrp 1 10.1.0.0 255.255.0.0 5
 half-duplex
!
interface Ethernet0/1
 ip address 10.1.46.4 255.255.255.0
 half-duplex
!
interface Ethernet0/2
 no ip address
 shutdown
 half-duplex
!
interface Ethernet0/3
 no ip address
 shutdown
 half-duplex
!
interface Serial1/0
 ip address 192.168.14.4 255.255.255.0
 encapsulation ppp
 serial restart-delay 0
!
interface Serial1/1
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/2
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/3
 no ip address
 shutdown
 serial restart-delay 0
!
router eigrp 1
 redistribute eigrp 2 metric 1000000 10 255 1 1500
 network 192.168.14.0
 network 192.168.34.0
 no auto-summary
!
router eigrp 2
 redistribute eigrp 1 metric 1000000 10 255 1 1500
 network 10.1.46.0 0.0.0.255
 no auto-summary
!
no ip http server
no ip http secure-server
!
ip forward-protocol nd
!
!
!
!
!
control-plane
!
!
!
!
!
!
!
!
!
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line vty 0 4
 login
!
!
end

R5 Initical Configuration(Click)

!
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R5
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
!
!
ip cef
no ip domain lookup
ip domain name lab.local
!
!
ip auth-proxy max-nodata-conns 3
ip admission max-nodata-conns 3
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
! 
!
!
!
!
interface Loopback0
 ip address 172.16.5.5 255.255.255.0
!
interface Ethernet0/0
 ip address 172.16.15.5 255.255.255.0
 ip summary-address rip 172.16.0.0 255.255.0.0
 half-duplex
!
interface Ethernet0/1
 no ip address
 shutdown
 half-duplex
!
interface Ethernet0/2
 no ip address
 shutdown
 half-duplex
!
interface Ethernet0/3
 no ip address
 shutdown
 half-duplex
!
router rip
 version 2
 network 172.16.0.0
 no auto-summary
!
no ip http server
no ip http secure-server
!
ip forward-protocol nd
!
!
!
!
!
control-plane
!
!
!
!
!
!
!
!
!
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line vty 0 4
 login
!
!
end

R6 Initical Configuration(Click)

!
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R6
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
!
!
ip cef
no ip domain lookup
ip domain name lab.local
!
!
ip auth-proxy max-nodata-conns 3
ip admission max-nodata-conns 3
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
! 
!
!
!
!
interface Loopback0
 ip address 10.1.6.6 255.255.255.0
!
interface Ethernet0/0
 ip address 10.1.46.6 255.255.255.0
 half-duplex
!
interface Ethernet0/1
 no ip address
 shutdown
 half-duplex
!
interface Ethernet0/2
 no ip address
 shutdown
 half-duplex
!
interface Ethernet0/3
 no ip address
 shutdown
 half-duplex
!
router eigrp 2
 network 10.0.0.0
 metric weights 0 1 1 1 1 1
 no auto-summary
!
no ip http server
no ip http secure-server
!
ip forward-protocol nd
!
!
!
!
!
control-plane
!
!
!
!
!
!
!
!
!
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line vty 0 4
 login
!
!
end

EIGRP応用設定 トラブルシューティング

1.K値の不一致

R4でのEIGRP AS2に対するK値の設定が抜けています。そのため、R4-R6間のネイバーを確立できずにEIGRP AS2ドメインのへの通信ができません。

切り分け

R4 切り分け

R4#show ip protocols
Routing Protocol is "eigrp 1"
-- omitted --

Routing Protocol is "eigrp 2"
  Outgoing update filter list for all interfaces is not set
  Incoming update filter list for all interfaces is not set
  Default networks flagged in outgoing updates
  Default networks accepted from incoming updates
  EIGRP metric weight K1=1, K2=0, K3=1, K4=0, K5=0
  EIGRP maximum hopcount 100
  EIGRP maximum metric variance 1
  Redistributing: eigrp 1, eigrp 2
  EIGRP NSF-aware route hold timer is 240s
  Automatic network summarization is not in effect
  Maximum path: 4
  Routing for Networks:
    10.1.46.0/24
  Routing Information Sources:
    Gateway         Distance      Last Update
  Distance: internal 90 external 170

設定の修正

R4 設定の修正

router eigrp 2
 metric weights 0 1 1 1 1 1

2.ルート集約

R4 S1/0でEIGRP AS2ドメインの10.1ではじまるルートを集約する設定が抜けています。

切り分け

R1 切り分け

R1#show ip route eigrp | include 10.
     10.0.0.0/8 is variably subnetted, 3 subnets, 2 masks
D       10.1.0.0/16 [90/335360] via 192.168.21.2, 00:00:12, Ethernet0/1
D EX    10.1.6.0/24 [170/2172416] via 192.168.14.4, 00:00:12, Serial1/0
D EX    10.1.46.0/24 [170/2172416] via 192.168.14.4, 00:00:12, Serial1/0

R4 切り分け

R4#show running-config interface se 1/0
Building configuration...

Current configuration : 109 bytes
!
interface Serial1/0
 ip address 192.168.14.4 255.255.255.0
 encapsulation ppp
 serial restart-delay 0
end

設定の修正

R4 設定の修正

interface Serial1/0
 ip summary-address eigrp 1 10.1.0.0 255.255.0.0 5

3.再配送

R1でRIPからEIGRP AS1へ再配送するときに適用するルートマップの名前が間違っています。そのため、RIPドメインのルートがEIGRP AS1へ再配送されずに通信できません。

切り分け

R1 切り分け

R1#show ip eigrp topology
IP-EIGRP Topology Table for AS(1)/ID(192.168.21.1)
Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply,
       r - reply Status, s - sia Status

P 10.1.0.0/16, 2 successors, FD is 335360
        via 192.168.12.2 (335360/309760), Ethernet0/0
        via 192.168.21.2 (335360/309760), Ethernet0/1
        via 192.168.14.4 (2172416/5120), Serial1/0
P 192.168.34.0/24, 2 successors, FD is 332800
        via 192.168.12.2 (332800/307200), Ethernet0/0
        via 192.168.21.2 (332800/307200), Ethernet0/1
        via 192.168.14.4 (2195456/281600), Serial1/0
P 192.168.14.4/32, 1 successors, FD is 2169856
        via Rconnected (2169856/0)
P 192.168.12.0/24, 1 successors, FD is 281600
        via Connected, Ethernet0/0
P 192.168.14.0/24, 1 successors, FD is 2169856
        via Connected, Serial1/0
P 192.168.14.1/32, 0 successors, FD is Inaccessible
        via 192.168.21.2 (2246656/2221056), Ethernet0/1
        via 192.168.12.2 (2246656/2221056), Ethernet0/0
        via 192.168.14.4 (2681856/2169856), Serial1/0
P 192.168.2.0/24, 2 successors, FD is 409600
        via 192.168.12.2 (409600/128256), Ethernet0/0
        via 192.168.21.2 (409600/128256), Ethernet0/1
P 192.168.3.0/24, 2 successors, FD is 332800
        via 192.168.12.2 (332800/307200), Ethernet0/0
        via 192.168.21.2 (332800/307200), Ethernet0/1
P 192.168.21.0/24, 1 successors, FD is 281600
        via Connected, Ethernet0/1
P 192.168.23.0/24, 2 successors, FD is 307200
        via 192.168.12.2 (307200/281600), Ethernet0/0
        via 192.168.21.2 (307200/281600), Ethernet0/1
R1#show run | section router eigrp 1
router eigrp 1
 variance 6
 redistribute rip metric 1000000 10 255 1 1500 route-map RIP-SUM
 network 192.168.12.0
 network 192.168.14.0
 network 192.168.21.0
 no auto-summary
R1#show route-map
route-map RIP-sum, permit, sequence 10
  Match clauses:
    ip address (access-lists): 1
  Set clauses:
  Policy routing matches: 0 packets, 0 bytes

設定の修正

R1 設定の修正

no route-map RIP-sum
route-map RIP-SUM permit 10
 match ip address 1

4.オフセットリスト

R1のオフセットリストの設定が抜けているため、R4は192.168.2.0/24に対するフィージブルサクセサではありません。そのため、不等コストロードバランスのルーティングができません。

切り分け

R1 切り分け

R1#show ip eigrp topology 192.168.2.0
IP-EIGRP (AS 1): Topology entry for 192.168.2.0/24
  State is Passive, Query origin flag is 1, 2 Successor(s), FD is 409600
  Routing Descriptor Blocks:
  192.168.12.2 (Ethernet0/0), from 192.168.12.2, Send flag is 0x0
      Composite metric is (409600/128256), Route is Internal
      Vector metric:
        Minimum bandwidth is 10000 Kbit
        Total delay is 6000 microseconds
        Reliability is 255/255
        Load is 1/255
        Minimum MTU is 1500
        Hop count is 1
  192.168.21.2 (Ethernet0/1), from 192.168.21.2, Send flag is 0x0
      Composite metric is (409600/128256), Route is Internal
      Vector metric:
        Minimum bandwidth is 10000 Kbit
        Total delay is 6000 microseconds
        Reliability is 255/255
        Load is 1/255
        Minimum MTU is 1500
        Hop count is 1
  192.168.14.4 (Serial1/0), from 192.168.14.4, Send flag is 0x0
      Composite metric is (2349056/435200), Route is Internal
      Vector metric:
        Minimum bandwidth is 1544 Kbit
        Total delay is 27000 microseconds
        Reliability is 255/255
        Load is 1/255
        Minimum MTU is 1500
        Hop count is 3
R1#show ip protocols
Routing Protocol is "eigrp 1"
  Outgoing update filter list for all interfaces is not set
  Incoming update filter list for all interfaces is not set
  Default networks flagged in outgoing updates
  Default networks accepted from incoming updates
  EIGRP metric weight K1=1, K2=0, K3=1, K4=0, K5=0
-- omitted --

設定の修正

R1 設定の修正

router eigrp 1
 offset-list 2 in 30000 Ethernet0/0
 offset-list 2 in 30000 Ethernet0/1

5.スプリットホライズン

R3 E0/1のスプリットホライズンが無効化されていないので、E0/1から192.168.3.0/24のルートをアドバタイズしません。その結果、R4から192.168.3.3へのTracerouteはR1を経由します。

切り分け

R4 切り分け

R4#show ip eigrp 1  topology 192.168.3.0
IP-EIGRP (AS 1): Topology entry for 192.168.3.0/24
  State is Passive, Query origin flag is 1, 1 Successor(s), FD is 2246656
  Routing Descriptor Blocks:
  192.168.14.1 (Serial1/0), from 192.168.14.1, Send flag is 0x0
      Composite metric is (2246656/332800), Route is Internal
      Vector metric:
        Minimum bandwidth is 1544 Kbit
        Total delay is 23000 microseconds
        Reliability is 255/255
        Load is 1/255
        Minimum MTU is 1500
        Hop count is 3
R4#show ip route 192.168.3.0
Routing entry for 192.168.3.0/24
  Known via "eigrp 1", distance 90, metric 2246656, type internal
  Redistributing via eigrp 1, eigrp 2
  Advertised by eigrp 2 metric 1000000 10 255 1 1500
  Last update from 192.168.14.1 on Serial1/0, 00:20:20 ago
  Routing Descriptor Blocks:
  * 192.168.14.1, from 192.168.14.1, 00:20:20 ago, via Serial1/0
      Route metric is 2246656, traffic share count is 1
      Total delay is 23000 microseconds, minimum bandwidth is 1544 Kbit
      Reliability 255/255, minimum MTU 1500 bytes
      Loading 1/255, Hops 3

R3 切り分け

R3#show run interface e0/1
Building configuration...

Current configuration : 129 bytes
!
interface Ethernet0/1
 ip address 192.168.3.3 255.255.255.0 secondary
 ip address 192.168.34.3 255.255.255.0
 half-duplex
end

設定の修正

R3 設定の修正

interface Ethernet0/1
 no ip split-horizon eigrp 1

正常な設定ファイル

R1 Correct Configuration(Click)

!
!
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
memory-size iomem 5
!
!
ip cef
no ip domain lookup
ip domain name lab.local
!
!
ip auth-proxy max-nodata-conns 3
ip admission max-nodata-conns 3
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
! 
!
!
!
!
interface Ethernet0/0
 ip address 192.168.12.1 255.255.255.0
 half-duplex
!
interface Ethernet0/1
 ip address 192.168.21.1 255.255.255.0
 half-duplex
!
interface Ethernet0/2
 ip address 172.16.15.1 255.255.255.0
 half-duplex
!
interface Ethernet0/3
 no ip address
 shutdown
 half-duplex
!
interface Serial1/0
 ip address 192.168.14.1 255.255.255.0
 encapsulation ppp
 serial restart-delay 0
!
interface Serial1/1
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/2
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/3
 no ip address
 shutdown
 serial restart-delay 0
!
router eigrp 1
 variance 6
 redistribute rip metric 1000000 10 255 1 1500 route-map RIP-SUM
 offset-list 2 in 30000 Ethernet0/0
 offset-list 2 in 30000 Ethernet0/1
 network 192.168.12.0
 network 192.168.14.0
 network 192.168.21.0
 no auto-summary
!
router rip
 version 2
 redistribute eigrp 1 metric 5
 network 172.16.0.0
 no auto-summary
!
no ip http server
no ip http secure-server
!
ip forward-protocol nd
!
!
access-list 1 permit 172.16.0.0
access-list 2 permit 192.168.2.0
!
route-map RIP-SUM permit 10
 match ip address 1
!
!
!
control-plane
!
!
!
!
!
!
!
!
!
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line vty 0 4
 login
!
!
end

R2 Correct Configuration(Click)

!
!
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
memory-size iomem 5
!
!
ip cef
no ip domain lookup
ip domain name lab.local
!
!
ip auth-proxy max-nodata-conns 3
ip admission max-nodata-conns 3
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
! 
!
!
!
!
interface Loopback0
 ip address 192.168.2.2 255.255.255.0
!
interface Ethernet0/0
 ip address 192.168.12.2 255.255.255.0
 half-duplex
!
interface Ethernet0/1
 ip address 192.168.21.2 255.255.255.0
 half-duplex
!
interface Ethernet0/2
 ip address 192.168.23.2 255.255.255.0
 half-duplex
!
interface Ethernet0/3
 no ip address
 shutdown
 half-duplex
!
interface Serial1/0
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/1
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/2
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/3
 no ip address
 shutdown
 serial restart-delay 0
!
router eigrp 1
 network 192.168.2.0
 network 192.168.12.0
 network 192.168.21.0
 network 192.168.23.0
 no auto-summary
!
no ip http server
no ip http secure-server
!
ip forward-protocol nd
!
!
!
!
!
control-plane
!
!
!
!
!
!
!
!
!
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line vty 0 4
 login
!
!
end

R3 Correct Configuration(Click)

!
!
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
memory-size iomem 5
!
!
ip cef
no ip domain lookup
ip domain name lab.local
!
!
ip auth-proxy max-nodata-conns 3
ip admission max-nodata-conns 3
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
! 
!
!
!
!
interface Ethernet0/0
 ip address 192.168.23.3 255.255.255.0
 half-duplex
!
interface Ethernet0/1
 ip address 192.168.3.3 255.255.255.0 secondary
 ip address 192.168.34.3 255.255.255.0
 no ip split-horizon eigrp 1
 half-duplex
!
interface Ethernet0/2
 no ip address
 shutdown
 half-duplex
!
interface Ethernet0/3
 no ip address
 shutdown
 half-duplex
!
interface Serial1/0
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/1
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/2
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/3
 no ip address
 shutdown
 serial restart-delay 0
!
router eigrp 1
 network 192.168.3.0
 network 192.168.23.0
 network 192.168.34.0
 no auto-summary
!
no ip http server
no ip http secure-server
!
ip forward-protocol nd
!
!
!
!
!
control-plane
!
!
!
!
!
!
!
!
!
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line vty 0 4
 login
!
!
end

R4 Correct Configuration(Click)

!
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R4
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
!
!
ip cef
no ip domain lookup
ip domain name lab.local
!
!
ip auth-proxy max-nodata-conns 3
ip admission max-nodata-conns 3
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
! 
!
!
!
!
interface Ethernet0/0
 ip address 192.168.34.4 255.255.255.0
 ip summary-address eigrp 1 10.1.0.0 255.255.0.0 5
 half-duplex
!
interface Ethernet0/1
 ip address 10.1.46.4 255.255.255.0
 half-duplex
!
interface Ethernet0/2
 no ip address
 shutdown
 half-duplex
!
interface Ethernet0/3
 no ip address
 shutdown
 half-duplex
!
interface Serial1/0
 ip address 192.168.14.4 255.255.255.0
 encapsulation ppp
 ip summary-address eigrp 1 10.1.0.0 255.255.0.0 5
 serial restart-delay 0
!
interface Serial1/1
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/2
 no ip address
 shutdown
 serial restart-delay 0
!
interface Serial1/3
 no ip address
 shutdown
 serial restart-delay 0
!
router eigrp 1
 redistribute eigrp 2 metric 1000000 10 255 1 1500
 network 192.168.14.0
 network 192.168.34.0
 no auto-summary
!
router eigrp 2
 redistribute eigrp 1 metric 1000000 10 255 1 1500
 network 10.1.46.0 0.0.0.255
 metric weights 0 1 1 1 1 1
 no auto-summary
!
no ip http server
no ip http secure-server
!
ip forward-protocol nd
!
!
!
!
!
control-plane
!
!
!
!
!
!
!
!
!
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line vty 0 4
 login
!
!
end

R5 Correct Configuration(Click)

!
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R5
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
!
!
ip cef
no ip domain lookup
ip domain name lab.local
!
!
ip auth-proxy max-nodata-conns 3
ip admission max-nodata-conns 3
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
! 
!
!
!
!
interface Loopback0
 ip address 172.16.5.5 255.255.255.0
!
interface Ethernet0/0
 ip address 172.16.15.5 255.255.255.0
 ip summary-address rip 172.16.0.0 255.255.0.0
 half-duplex
!
interface Ethernet0/1
 no ip address
 shutdown
 half-duplex
!
interface Ethernet0/2
 no ip address
 shutdown
 half-duplex
!
interface Ethernet0/3
 no ip address
 shutdown
 half-duplex
!
router rip
 version 2
 network 172.16.0.0
 no auto-summary
!
no ip http server
no ip http secure-server
!
ip forward-protocol nd
!
!
!
!
!
control-plane
!
!
!
!
!
!
!
!
!
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line vty 0 4
 login
!
!
end

R6 Correct Configuration(Click)

!
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname R6
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
memory-size iomem 5
!
!
ip cef
no ip domain lookup
ip domain name lab.local
!
!
ip auth-proxy max-nodata-conns 3
ip admission max-nodata-conns 3
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
! 
!
!
!
!
interface Loopback0
 ip address 10.1.6.6 255.255.255.0
!
interface Ethernet0/0
 ip address 10.1.46.6 255.255.255.0
 half-duplex
!
interface Ethernet0/1
 no ip address
 shutdown
 half-duplex
!
interface Ethernet0/2
 no ip address
 shutdown
 half-duplex
!
interface Ethernet0/3
 no ip address
 shutdown
 half-duplex
!
router eigrp 2
 network 10.0.0.0
 metric weights 0 1 1 1 1 1
 no auto-summary
!
no ip http server
no ip http secure-server
!
ip forward-protocol nd
!
!
!
!
!
control-plane
!
!
!
!
!
!
!
!
!
!
line con 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line aux 0
 exec-timeout 0 0
 privilege level 15
 logging synchronous
line vty 0 4
 login
!
!
end

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