ip route 0.0.0.0 0.0.0.0 pppoe 1 ip vrrp enable access-list 1 permit 192.168.0.0 0.0.0.255 proxydns mode v4 hostname Router_A event-class 1 check interface status pppoe 1 invert exit event-action 1 vrrp 1 track 1 decrement 100 exit event-map event-class 1 event-action 1 exit interface lan 1 ip address 192.168.0.11 255.255.255.0 vrrp 1 address 192.168.0.1 vrrp 1 priority 254 vrrp 1 preempt vrrp 2 address 192.168.0.2 vrrp 2 priority 200 vrrp 2 preempt exit interface pppoe 1 ip nat inside source list 1 interface pppoe server internet pppoe account ********@***.***.ne.jp ****** pppoe type host exit line lan 1 shutdown 2 shutdown 3 shutdown 4 exit end
ip route 0.0.0.0 0.0.0.0 pppoe 1 ip vrrp enable access-list 1 permit 192.168.0.0 0.0.0.255 proxydns mode v4 hostname Router_B event-class 1 check interface status pppoe 1 invert exit event-action 1 vrrp 2 track 1 decrement 100 exit event-map event-class 1 event-action 1 exit interface lan 1 ip address 192.168.0.12 255.255.255.0 vrrp 1 address 192.168.0.1 vrrp 1 priority 200 vrrp 1 preempt vrrp 2 address 192.168.0.2 vrrp 2 priority 254 vrrp 2 preempt exit interface pppoe 1 ip nat inside source list 1 interface pppoe server internet pppoe account ********@***.***.ne.jp ****** pppoe type host exit line lan 1 shutdown 2 shutdown 3 shutdown 4 exit end
設定内容 | 画面表示例 |
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特権ユーザモードへの移行 パスワードの入力 設定情報の初期化 設定モードの変更 設定入力 設定保存 装置再起動 |
Router>enable Enter password: Router# Router#clear working.cfg Router# Router#configure terminal Router(config)#ip route 0.0.0.0 0.0.0.0 pppoe 1 Router(config)#ip vrrp enable Router(config)#access-list 1 permit 192.168.0.0 0.0.0.255 Router(config)#proxydns mode v4 Router(config)#hostname Router_A Router_A(config)#event-class 1 Router_A(config-event-class 1)# check interface status pppoe 1 invert Router_A(config-event-class 1)#exit Router_A(config)#event-action 1 Router_A(config-event-action 1)# vrrp 1 track 1 decrement 100 Router_A(config-event-action 1)#exit Router_A(config)#event-map Router_A(config-event-map)# event-class 1 event-action 1 Router_A(config-event-map)#exit Router_A(config)#interface lan 1 Router_A(config-if lan 1)# ip address 192.168.0.11 255.255.255.0 Router_A(config-if lan 1)# vrrp 1 address 192.168.0.1 Router_A(config-if lan 1)# vrrp 1 priority 254 Router_A(config-if lan 1)# vrrp 1 preempt Router_A(config-if lan 1)# vrrp 2 address 192.168.0.2 Router_A(config-if lan 1)# vrrp 2 priority 200 Router_A(config-if lan 1)# vrrp 2 preempt Router_A(config-if lan 1)#exit Router_A(config)#interface pppoe 1 Router_A(config-if pppoe 1)# ip nat inside source list 1 interface Router_A(config-if pppoe 1)# pppoe server internet Router_A(config-if pppoe 1)# pppoe account ********@***.***.ne.jp ****** Router_A(config-if pppoe 1)# pppoe type host Router_A(config-if pppoe 1)#exit Router_A(config)#line lan 1 Router_A(config-line lan 1)# shutdown 2 Router_A(config-line lan 1)# shutdown 3 Router_A(config-line lan 1)# shutdown 4 Router_A(config-line lan 1)#exit Router_A(config)# Router_A(config)#end Router_A# Router_A#save SIDE-A % saving working-config % finished saving Router_A#reset Going to reset with SIDE-A.frm and SIDE-A Boot-back not scheduled for next boot. Next rebooting firmware SIDE-A.frm is fine. Are you OK to cold start?(y/n)y |
設定内容 | 画面表示例 |
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特権ユーザモードへの移行 パスワードの入力 設定情報の初期化 設定モードの変更 設定入力 設定保存 装置再起動 |
Router>enable Enter password: Router# Router#clear working.cfg Router# Router#configure terminal Router(config)#ip route 0.0.0.0 0.0.0.0 pppoe 1 Router(config)#ip vrrp enable Router(config)#access-list 1 permit 192.168.0.0 0.0.0.255 Router(config)#proxydns mode v4 Router(config)#hostname Router_B Router_B(config)#event-class 1 Router_B(config-event-class 1)# check interface status pppoe 1 invert Router_B(config-event-class 1)#exit Router_B(config)#event-action 1 Router_B(config-event-action 1)# vrrp 2 track 1 decrement 100 Router_B(config-event-action 1)#exit Router_B(config)#event-map Router_B(config-event-map)# event-class 1 event-action 1 Router_B(config-event-map)#exit Router_B(config)#interface lan 1 Router_B(config-if lan 1)# ip address 192.168.0.12 255.255.255.0 Router_B(config-if lan 1)# vrrp 1 address 192.168.0.1 Router_B(config-if lan 1)# vrrp 1 priority 200 Router_B(config-if lan 1)# vrrp 1 preempt Router_B(config-if lan 1)# vrrp 2 address 192.168.0.2 Router_B(config-if lan 1)# vrrp 2 priority 254 Router_B(config-if lan 1)# vrrp 2 preempt Router_B(config-if lan 1)#exit Router_B(config)#interface pppoe 1 Router_B(config-if pppoe 1)# ip nat inside source list 1 interface Router_B(config-if pppoe 1)# pppoe server internet Router_B(config-if pppoe 1)# pppoe account ********@***.***.ne.jp ****** Router_B(config-if pppoe 1)# pppoe type host Router_B(config-if pppoe 1)#exit Router_B(config)#line lan 1 Router_B(config-line lan 1)# shutdown 2 Router_B(config-line lan 1)# shutdown 3 Router_B(config-line lan 1)# shutdown 4 Router_B(config-line lan 1)#exit Router_B(config)# Router_B(config)#end Router_B# Router_B#save SIDE-A % saving working-config % finished saving Router_B#reset Going to reset with SIDE-A.frm and SIDE-A Boot-back not scheduled for next boot. Next rebooting firmware SIDE-A.frm is fine. Are you OK to cold start?(y/n)y |
vrrpの状態を表示します(起動直後の状態)。
Router A | Router B |
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Router_A#show vrrp VRRP action enable lan 1 Vrid 1 Priority 254 (Current 254) Preempt mode “on” Advertisement interval 1 Local ip address is 192.168.0.11 Virtual router ip address is 192.168.0.1 Virtual MAC address is 00:00:5e:00:01:01 Authentication type is “auth-none” ※ state: Master uptime(sec): 22 become master count: 1 advertise receive: 0 error advertise receive: 0 lan 1 Vrid 2 Priority 200 (Current 200) Preempt mode “on” Advertisement interval 1 Local ip address is 192.168.0.11 Virtual router ip address is 192.168.0.2 Virtual MAC address is 00:00:5e:00:01:02 Authentication type is “auth-none” state: Backup uptime(sec): ----- become master count: 1 advertise receive: 11 error advertise receive: 0 |
Router_B#show vrrp VRRP action enable lan 1 Vrid 1 Priority 200 (Current 200) Preempt mode “on” Advertisement interval 1 Local ip address is 192.168.0.12 Virtual router ip address is 192.168.0.1 Virtual MAC address is 00:00:5e:00:01:01 Authentication type is “auth-none” state: Backup uptime(sec): ----- become master count: 0 advertise receive: 16 error advertise receive: 0 lan 1 Vrid 2 Priority 254 (Current 254) Preempt mode “on” Advertisement interval 1 Local ip address is 192.168.0.12 Virtual router ip address is 192.168.0.2 Virtual MAC address is 00:00:5e:00:01:02 Authentication type is “auth-none” ※ state: Master uptime(sec): 10 become master count: 1 advertise receive: 6 error advertise receive: 0 |
※:グループ1はRouter AがMaster、グループ2はRouter BがMasterになっていることを確認してください。
Router AのPPPoEインタフェースがダウンしたときの状態を確認します。
確認内容 | 画面表示例 |
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event-class の状態を表示 状態がTrue であることを確認 PPPoE インタフェースのダウンを確認 |
Router_A#show event-class Event-class[1] : True Description Conditions : (Match-all) ICMP information I/F information pppoe1 is down : True (Inverted from False) VRRP information duration Logging disabled Dampening Penalty: Current/Suppress-Threshold/Reuse-Threshold 2457/20000/10000 Flapped Frequency: 0 Total State changes : 3 times Change to True : 2, False : 1, Unknown : 0 Last state change : 17:59:28 2011/09/07 |
確認内容 | 画面表示例 |
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event-action の状態を表示 状態がActivated であることを確認 vrid のプライオリティを確認 |
Router_A#show event-action Event-action[1] : Activated Descrioption : Activated from : Event-class[1] Actions : vrrp 1 track 1 decrement 100 Logging disabled Total State changes : 3 times Change to Activated : 2, Inactivated : 1 Last state change : 17:59:28 2011/09/07 |
確認内容 | 画面表示例 |
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event-map の状態を表示 event-class のステータスと event-action の実行状態を確認 |
Router_A#show event-map Event-class[1] : True -> Event-Action[1] : Activated |
Router A | Router B |
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Router_A#show vrrp VRRP action enable lan 1 Vrid 1 Priority 254 (Current 254) Preempt mode “on” Advertisement interval 1 Local ip address is 192.168.0.11 Virtual router ip address is 192.168.0.1 Virtual MAC address is 00:00:5e:00:01:01 Authentication type is “auth-none” state: Backup uptime(sec): ----- become master count: 2 advertise receive: 15 error advertise receive: 0 lan 1 Vrid 2 Priority 200 (Current 200) Preempt mode “on” Advertisement interval 1 Local ip address is 192.168.0.11 Virtual router ip address is 192.168.0.2 Virtual MAC address is 00:00:5e:00:01:02 Authentication type is “auth-none” state: Backup uptime(sec): ----- become master count: 1 advertise receive: 123 error advertise receive: 0 |
Router_B#show vrrp VRRP action enable lan 1 Vrid 1 Priority 200 (Current 200) Preempt mode “on” Advertisement interval 1 Local ip address is 192.168.0.12 Virtual router ip address is 192.168.0.1 Virtual MAC address is 00:00:5e:00:01:01 Authentication type is “auth-none” ※ state: Master uptime(sec): 11 become master count: 2 advertise receive: 115 error advertise receive: 0 lan 1 Vrid 2 Priority 254 (Current 254) Preempt mode “on” Advertisement interval 1 Local ip address is 192.168.0.12 Virtual router ip address is 192.168.0.2 Virtual MAC address is 00:00:5e:00:01:02 Authentication type is “auth-none” ※ state: Master uptime(sec): 165 become master count: 1 advertise receive: 6 error advertise receive: 0 |
※:グループ1、グループ2ともにRouter BがMasterになっていることを確認してください。