HSRP設定例の変更点

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HSRP設定例へ行く。
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[[CISCO入門]]

#setlinebreak(on)

バージョン： &Version; &br;
オンラインユーザー数： &online;
閲覧数表示 本日/トータル： &counter(today); / &counter(total); &br;
最終更新：&lastmod();&br;


*HSRP + Tracking + IP SLAの小構成例 [#r3b0efad]

**R1 [#i723c614]
    !
    track 90 ip sla 20
    !
    interface FastEthernet1/0/1
     switchport access vlan 100
     switchport mode access
    !
    interface FastEthernet1/0/2
     switchport access vlan 200
     switchport mode access
    !
    interface Vlan100
     ip address 10.10.10.10 255.255.255.0
     standby version 2
     standby 1 ip 10.10.10.254
     standby 1 priority 105
     standby 1 preempt
     standby 1 track 90 decrement 10
    !
    interface Vlan200
     ip address 172.16.16.10 255.255.255.0
     standby 2 ip 172.16.16.254
     standby 2 priority 105
     standby 2 preempt
     standby 2 track 90 decrement 10
    !
    ip sla 20
     icmp-echo 10.10.10.20
    ip sla schedule 20 life forever start-time now
    !

**R2 [#m5e2efbe]
    !
    interface FastEthernet1/0/1
     switchport access vlan 100
     switchport mode access
    !
    interface FastEthernet1/0/2
     switchport access vlan 200
     switchport mode access
    !
    interface Vlan100
     ip address 10.10.10.10 255.255.255.0
     standby 1 ip 10.10.10.254
     standby 1 priority 100 (Eef100省略可)
     standby 1 preempt
    !
    interface Vlan200
     ip address 172.16.16.10 255.255.255.0
     standby 2 ip 172.16.16.254
     standby 2 priority 100 (Eef100省略可)
     standby 2 preempt
    !

**おまけ [#c33c491d]
Version2にすると認証が可能だが、一度も認証しないとINITになる。
 Switch(config-if)#standby version 2
 Switch(config-if)#standby 1 authentication text cisco

**R1でのshow例 [#f20f0a22]

    Switch#show standby
    Vlan100 - Group 1
      State is Active
        8 state changes, last state change 00:01:33
      Virtual IP address is 10.10.10.254
      Active virtual MAC address is 0000.0c07.ac01
        Local virtual MAC address is 0000.0c07.ac01 (v1 default)
      Hello time 3 sec, hold time 10 sec
        Next hello sent in 2.000 secs
      Preemption enabled
      Active router is local
      Standby router is unknown
      Priority 105 (configured 105)
        Track object 90 state Up decrement 12
      Group name is "hsrp-Vl100-1" (default)
～VLAN200は接続無いので省略～


*VRRPの設定例 [#vabc75a7]

**R1設定例 [#m64a9677]
    !
    track 20 interface FastEthernet0 line-protocol
    !
    interface FastEthernet0
     ip address 10.10.10.201 255.255.255.0
     vrrp 1 ip 10.10.10.200
     vrrp 1 timers advertise msec 500
     vrrp 1 priority 105
     vrrp 1 authentication cisco
     vrrp 1 track 20
    !
**R2設定例 [#sd4228b7]
    !
    interface FastEthernet0
     ip address 10.10.10.202 255.255.255.0
     vrrp 1 ip 10.10.10.200
     vrrp 1 timers advertise msec 500
     vrrp 1 authentication cisco
    !

※アドバタイズメントの送信間隔はデフォルトで1秒です。
※HSRPのようにIFトラッキングを直接設定することは出来ません。

**showコマンドで確認 [#d134ae4f]
    R1#show vrrp
    FastEthernet0 - Group 1
      State is Master
      Virtual IP address is 10.10.10.200
      Virtual MAC address is 0000.5e00.0101
      Advertisement interval is 0.500 sec
      Preemption enabled
      Priority is 105
        Track object 20 state Up decrement 10
      Authentication text "cisco"
      Master Router is 10.10.10.201 (local), priority is 105
      Master Advertisement interval is 0.500 sec
      Master Down interval is 2.089 sec

    R2#show vrrp
    FastEthernet0 - Group 1
      State is Backup
      Virtual IP address is 10.10.10.200
      Virtual MAC address is 0000.5e00.0101
      Advertisement interval is 0.500 sec
      Preemption enabled
      Priority is 100
      Authentication text "cisco"
      Master Router is 10.10.10.201, priority is 105
      Master Advertisement interval is 1.000 sec
      Master Down interval is 2.109 sec (expires in 1.825 sec)

    R2#show vrrp brief
    Interface          Grp Pri Time  Own Pre State   Master addr     Group addr
    Fa0                1   100 2109       Y  Backup  10.10.10.201    10.10.10.200
HSRP設定例 の変更点
