NOTE
- メインはPtoPとなる(ステート検知が必要なので)
- バックアップはサブインタフェース以外であれば何でもよい
- delay(秒)でバックアップ側への切り替わり、バックアップからの切り戻しのディレイを設定できる
VERIFICATION
- 対向ルータのシリアルIFを閉塞
R1# *Mar 1 00:07:52.127: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0, changed state to down R1# R1# *Mar 1 00:07:57.131: %LINK-3-UPDOWN: Interface FastEthernet1/0, changed state to up *Mar 1 00:07:58.131: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet1/0, changed state to up R1#show backup Primary Interface Secondary Interface Status ----------------- ------------------- ------ Serial0/0 FastEthernet1/0 backup mode R1#
CONFIGURATION
R1(config)#interface serial 0/0 R1(config-if)# R1(config-if)#backup interface fastEthernet 1/0 R1(config-if)# *Mar 1 00:03:36.887: %LINK-5-CHANGED: Interface FastEthernet1/0, changed state to standby mode *Mar 1 00:03:37.887: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet1/0, changed state to down R1(config-if)# R1(config-if)#backup delay ? <0-4294967294> Seconds never Never activate the backup line R1(config-if)#backup delay 3 ? <0-4294967294> Seconds never Never deactivate the backup line R1(config-if)#backup delay 3 10 ? <cr> R1(config-if)# R1(config-if)#end R1# R1#show backup Primary Interface Secondary Interface Status ----------------- ------------------- ------ Serial0/0 FastEthernet1/0 normal operation R1#
コメント