ネットワーク

Configuration Lab vol1

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Contents

前提条件

・あらかじめ設定されている Config を削除してはならない。
・Access-list に permit ip any any を設定してはならない。
・指定がある場面以外で Static route を設定してはならない。
・各機器に設定する IP address は 第4オクテットを Router Hostname の番号とする。
・VLAN を設定する場合、ネットワークアドレスの第3オクテットの値を VLAN 番号とする。

 

構成図

config_lab_diagram

 

 

試験ファイル

コチラからダウンロードしてください。

※IOU のご準備がある方は「pre-lab-exam.gns3」を GNS3 にてインポートした後、各機器に「pre-config」を流し込んでください。IOU ご準備がない方は構成図を元に構成を再現し、「pre-config」の I/F 番号をご自身の環境に合わせて変更した後に流し込んでください。

 

Questions

Q1

HQ の Router に対して Logical の構成図通り IP address を入力しなさい。
また、「192.168.10.0/24」と「192.168.20.0/24」の各 IP で ping による疎通が取れることを確認しなさい。

Q2

HQ の Switch に対して spanning-tree を設定しなさい。
また、Port status が以下の出力のようになること。
HQ-SW1#show spanning-tree vlan 10

VLAN0010
  Spanning tree enabled protocol rstp
  Root ID    Priority    4106
             Address     aabb.cc00.0300
             This bridge is the root
             Hello Time   2 sec  Max Age 20 sec  Forward Delay 15 sec

  Bridge ID  Priority    4106   (priority 4096 sys-id-ext 10)
             Address     aabb.cc00.0300
             Hello Time   2 sec  Max Age 20 sec  Forward Delay 15 sec
             Aging Time  300 sec

Interface           Role Sts Cost      Prio.Nbr Type
------------------- ---- --- --------- -------- --------------------------------
Et0/0               Desg FWD 100       128.1    Shr 
Et0/1               Desg FWD 100       128.2    Shr 
Et1/0               Desg FWD 100       128.33   Shr 
Et1/1               Desg FWD 100       128.34   Shr 
HQ-SW1#show spanning-tree vlan 20 

VLAN0020
  Spanning tree enabled protocol rstp
  Root ID    Priority    4116
             Address     aabb.cc00.0300
             This bridge is the root
             Hello Time   2 sec  Max Age 20 sec  Forward Delay 15 sec

  Bridge ID  Priority    4116   (priority 4096 sys-id-ext 20)
             Address     aabb.cc00.0300
             Hello Time   2 sec  Max Age 20 sec  Forward Delay 15 sec
             Aging Time  300 sec

Interface           Role Sts Cost      Prio.Nbr Type
------------------- ---- --- --------- -------- --------------------------------
Et0/0               Desg FWD 100       128.1    Shr 
Et0/1               Desg FWD 100       128.2    Shr 
Et1/0               Desg FWD 100       128.33   Shr 
Et1/1               Desg FWD 100       128.34   Shr

 

Q3

Branch A の Router に対して OSPF を以下のように設定し、Neighbor が確立されることを確認しなさい。
———————————————————————————————–
BA-RT1 – BA-RT2 : area 0
BA-RT1 – BA-RT3 : area 0
BA-RT2 – BA-RT4 : area 1
BA-RT3 – BA-RT4 : area 1
———————————————————————————————–
Process ID : 100
Router ID : Loopback 0 のアドレスを明示的に指定
その他：
DR/BDR が選出されないこと
OSPF を有効化する I/F をネットワークアドレスで指定すること
———————————————————————————————–

 

Q4

HQにて以下のように設定しなさい。
(1) HQ-RT1 と HQ-RT2 にて以下のように FHRP 設定し、GWを冗長化しなさい。
・ Cisco独自のプロトコルを使用すること
・ VIP としてはそれぞれ以下を設定すること
　　group 4010 : 192.168.10.254
　　group 4020 : 192.168.20.254
・192.168.10.254 に対しては HQ-RT1, 192.168.20.254 に対しては HQ-RT2 がトラフィックを処理すること
・各ルータのアップリンク (Eth 1/0) が Down した際に、Priority を 1 まで減少させること
(2) HQ-RT3 と HQ-RT4 にて Static route を設定し、以下の出力を得なさい。
HQ-RT3#show ip route vrf RED | be Gateway
Gateway of last resort is 192.168.10.254 to network 0.0.0.0

S*    0.0.0.0/0  via 192.168.10.254, Ethernet0/0.10
      192.168.10.0/24 is variably subnetted, 2 subnets, 2 masks
C        192.168.10.0/24 is directly connected, Ethernet0/0.10
L        192.168.10.3/32 is directly connected, Ethernet0/0.10
HQ-RT3#show ip route vrf BLUE | be Gateway
Gateway of last resort is 192.168.20.254 to network 0.0.0.0

S*    0.0.0.0/0  via 192.168.20.254, Ethernet0/0.20
      192.168.20.0/24 is variably subnetted, 2 subnets, 2 masks
C        192.168.20.0/24 is directly connected, Ethernet0/0.20
L        192.168.20.3/32 is directly connected, Ethernet0/0.20
HQ-RT4#show ip route vrf RED | be Gateway
Gateway of last resort is 192.168.10.254 to network 0.0.0.0

S*    0.0.0.0/0  via 192.168.10.254, Ethernet0/0.10
      192.168.10.0/24 is variably subnetted, 2 subnets, 2 masks
C        192.168.10.0/24 is directly connected, Ethernet0/0.10
L        192.168.10.4/32 is directly connected, Ethernet0/0.10
HQ-RT4#show ip route vrf BLUE | be Gateway
Gateway of last resort is 192.168.10.254 to network 0.0.0.0

S*    0.0.0.0/0  via 192.168.10.254, Ethernet0/0.20
      192.168.20.0/24 is variably subnetted, 2 subnets, 2 masks
C        192.168.20.0/24 is directly connected, Ethernet0/0.20
L        192.168.20.254/32 is directly connected, Ethernet0/0.20

 

 

Q5

HQ, Internet, Branch A に対して以下のように eBGP を設定し、 以下の出力を得なさい。
また、 Router ID は明示的に Looback I/F 0 の値を指定しなさい
Internet-RT1#show ip bgp summary 
BGP router identifier 8.8.8.8, local AS number 10000
BGP table version is 1, main routing table version 1

Neighbor        V           AS MsgRcvd MsgSent   TblVer  InQ OutQ Up/Down  State/PfxRcd
100.1.1.1       4        65001       4       2        1    0    0 00:00:03        0
100.1.2.2       4        65001       2       2        1    0    0 00:00:03        0
100.1.3.1       4        65002       2       2        1    0    0 00:00:03        0

 

 

Q6

Branch A に対して iBGP を以下のように設定しなさい。
・各 Router は BA-RT1 とのみ iBGP neighbor を形成すること
・以下のように、各 Router が Loopback I/F 11 のアドレスを iBGP で学習し、疎通性があること

 

BA-RT4#show ip route bgp | be Gateway
Gateway of last resort is not set

      11.0.0.0/32 is subnetted, 1 subnets
B        11.11.11.11 [200/0] via 1.1.1.1, 00:02:03
      22.0.0.0/32 is subnetted, 1 subnets
B        22.22.22.22 [200/0] via 2.2.2.2, 00:01:44
      33.0.0.0/32 is subnetted, 1 subnets
B        33.33.33.33 [200/0] via 3.3.3.3, 00:01:20

 

 

Q7

以下の出力を得なさい。
BA-RT4#traceroute 192.168.10.3 source 4.4.4.4
Type escape sequence to abort.
Tracing the route to 192.168.10.3
VRF info: (vrf in name/id, vrf out name/id)
  1 172.16.3.2 5 msec
    172.16.4.3 4 msec
    172.16.3.2 4 msec
  2 172.16.2.1 5 msec
    172.16.1.1 0 msec
    172.16.2.1 5 msec
  3 100.1.3.254 5 msec 5 msec 0 msec
  4 100.1.1.1 0 msec 1 msec 4 msec
  5 192.168.10.3 [AS 65001] 2 msec 0 msec 1 msec
BA-RT4#traceroute 192.168.10.4 source 4.4.4.4
Type escape sequence to abort.
Tracing the route to 192.168.10.4
VRF info: (vrf in name/id, vrf out name/id)
  1 172.16.4.3 3 msec
    172.16.3.2 1 msec
    172.16.4.3 0 msec
  2 172.16.1.1 10 msec
    172.16.2.1 5 msec
    172.16.1.1 5 msec
  3 100.1.3.254 1 msec 1 msec 1 msec
  4 100.1.1.1 1 msec 1 msec 0 msec
  5 192.168.10.4 [AS 65001] 1 msec 1 msec 1 msec
BA-RT4#traceroute 192.168.20.3 source 4.4.4.4
Type escape sequence to abort.
Tracing the route to 192.168.20.3
VRF info: (vrf in name/id, vrf out name/id)
  1 172.16.4.3 5 msec
    172.16.3.2 5 msec
    172.16.4.3 5 msec
  2 172.16.1.1 4 msec
    172.16.2.1 4 msec
    172.16.1.1 5 msec
  3 100.1.3.254 5 msec 5 msec 5 msec
  4 100.1.2.2 5 msec 4 msec 5 msec
  5 192.168.20.3 [AS 65001] 6 msec 5 msec 1 msec
BA-RT4#traceroute 192.168.20.4 source 4.4.4.4
Type escape sequence to abort.
Tracing the route to 192.168.20.4
VRF info: (vrf in name/id, vrf out name/id)
  1 172.16.4.3 5 msec
    172.16.3.2 1 msec
    172.16.4.3 5 msec
  2 172.16.1.1 1 msec
    172.16.2.1 4 msec
    172.16.1.1 2 msec
  3 100.1.3.254 5 msec 5 msec 5 msec
  4 100.1.2.2 5 msec 4 msec 5 msec
  5 192.168.20.4 [AS 65001] 5 msec 4 msec 2 msec

 

 

Q8

各機器の Routing table が以下と一致することを確認しなさい。
HQ-RT3#show ip route vrf RED | be Gateway
Gateway of last resort is 192.168.10.254 to network 0.0.0.0

S*    0.0.0.0/0  via 192.168.10.254, Ethernet0/0.10
      192.168.10.0/24 is variably subnetted, 2 subnets, 2 masks
C        192.168.10.0/24 is directly connected, Ethernet0/0.10
L        192.168.10.3/32 is directly connected, Ethernet0/0.10


HQ-RT3#show ip route vrf BLUE | be Gateway
Gateway of last resort is 192.168.20.254 to network 0.0.0.0

S*    0.0.0.0/0  via 192.168.20.254, Ethernet0/0.20
      192.168.20.0/24 is variably subnetted, 2 subnets, 2 masks
C        192.168.20.0/24 is directly connected, Ethernet0/0.20
L        192.168.20.3/32 is directly connected, Ethernet0/0.20
HQ-RT4#show ip route vrf RED | be Gateway
Gateway of last resort is 192.168.10.254 to network 0.0.0.0

S*    0.0.0.0/0  via 192.168.10.254, Ethernet0/0.10
      192.168.10.0/24 is variably subnetted, 2 subnets, 2 masks
C        192.168.10.0/24 is directly connected, Ethernet0/0.10
L        192.168.10.4/32 is directly connected, Ethernet0/0.10


HQ-RT4#show ip route vrf BLUE | be Gateway
Gateway of last resort is 192.168.20.254 to network 0.0.0.0

S*    0.0.0.0/0  via 192.168.20.254, Ethernet0/0.20
      192.168.20.0/24 is variably subnetted, 2 subnets, 2 masks
C        192.168.20.0/24 is directly connected, Ethernet0/0.20
L        192.168.20.4/32 is directly connected, Ethernet0/0.20
Internet-RT1#show ip route | be Gateway
Gateway of last resort is not set

      1.0.0.0/32 is subnetted, 1 subnets
B        1.1.1.1 [20/0] via 100.1.3.1, 00:17:20
      2.0.0.0/32 is subnetted, 1 subnets
B        2.2.2.2 [20/11] via 100.1.3.1, 00:17:20
      3.0.0.0/32 is subnetted, 1 subnets
B        3.3.3.3 [20/11] via 100.1.3.1, 00:17:20
      4.0.0.0/32 is subnetted, 1 subnets
B        4.4.4.4 [20/21] via 100.1.3.1, 00:17:20
      8.0.0.0/32 is subnetted, 1 subnets
C        8.8.8.8 is directly connected, Loopback0
      11.0.0.0/32 is subnetted, 1 subnets
B        11.11.11.11 [20/0] via 100.1.3.1, 00:46:08
      22.0.0.0/32 is subnetted, 1 subnets
B        22.22.22.22 [20/0] via 100.1.3.1, 00:45:38
      33.0.0.0/32 is subnetted, 1 subnets
B        33.33.33.33 [20/0] via 100.1.3.1, 00:45:07
      44.0.0.0/32 is subnetted, 1 subnets
B        44.44.44.44 [20/0] via 100.1.3.1, 00:45:07
      100.0.0.0/8 is variably subnetted, 6 subnets, 2 masks
C        100.1.1.0/24 is directly connected, Ethernet1/0
L        100.1.1.254/32 is directly connected, Ethernet1/0
C        100.1.2.0/24 is directly connected, Ethernet1/1
L        100.1.2.254/32 is directly connected, Ethernet1/1
C        100.1.3.0/24 is directly connected, Ethernet1/2
L        100.1.3.254/32 is directly connected, Ethernet1/2
      172.16.0.0/24 is subnetted, 4 subnets
B        172.16.1.0 [20/0] via 100.1.3.1, 00:17:20
B        172.16.2.0 [20/0] via 100.1.3.1, 00:17:20
B        172.16.3.0 [20/20] via 100.1.3.1, 00:17:20
B        172.16.4.0 [20/20] via 100.1.3.1, 00:17:20
B     192.168.10.0/24 [20/100] via 100.1.1.1, 00:19:29
B     192.168.20.0/24 [20/100] via 100.1.2.2, 00:19:29
BA-RT4#show ip route | be Gateway
Gateway of last resort is not set

      1.0.0.0/32 is subnetted, 1 subnets
O IA     1.1.1.1 [110/21] via 172.16.4.3, 00:04:12, Ethernet0/1
                 [110/21] via 172.16.3.2, 00:04:12, Ethernet0/0
      2.0.0.0/32 is subnetted, 1 subnets
O IA     2.2.2.2 [110/11] via 172.16.3.2, 00:04:01, Ethernet0/0
      3.0.0.0/32 is subnetted, 1 subnets
O IA     3.3.3.3 [110/11] via 172.16.4.3, 00:03:51, Ethernet0/1
      4.0.0.0/32 is subnetted, 1 subnets
C        4.4.4.4 is directly connected, Loopback0
      11.0.0.0/32 is subnetted, 1 subnets
B        11.11.11.11 [200/0] via 1.1.1.1, 00:00:19
      22.0.0.0/32 is subnetted, 1 subnets
B        22.22.22.22 [200/0] via 2.2.2.2, 00:03:17
      33.0.0.0/32 is subnetted, 1 subnets
B        33.33.33.33 [200/0] via 3.3.3.3, 00:03:17
      44.0.0.0/32 is subnetted, 1 subnets
C        44.44.44.44 is directly connected, Loopback1
      172.16.0.0/16 is variably subnetted, 6 subnets, 2 masks
O IA     172.16.1.0/24 [110/20] via 172.16.3.2, 00:06:32, Ethernet0/0
O IA     172.16.2.0/24 [110/20] via 172.16.4.3, 00:06:32, Ethernet0/1
C        172.16.3.0/24 is directly connected, Ethernet0/0
L        172.16.3.4/32 is directly connected, Ethernet0/0
C        172.16.4.0/24 is directly connected, Ethernet0/1
L        172.16.4.4/32 is directly connected, Ethernet0/1
O E2  192.168.10.0/24 [110/1] via 172.16.4.3, 00:02:26, Ethernet0/1
                      [110/1] via 172.16.3.2, 00:02:26, Ethernet0/0
O E2  192.168.20.0/24 [110/1] via 172.16.4.3, 00:02:26, Ethernet0/1
                      [110/1] via 172.16.3.2, 00:02:26, Ethernet0/0

 

 

関連コンテンツ

Configuration Lab vol1_Answer

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学習コンテンツ一覧 (ネットワーク)

 

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