H3C S7500 Series Operation Manual

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H3C S7500 Series Operation Manual Manual pdf 12 page image

Operation Manual – VRRP-HAH3C S7500 Series Ethernet Switches Chapter 1 VRRP Configuration1-11[LSW-A-Vlan-interface2] vrrp vrid 1 priority 110# Configure the preemptive mode for the backup group.[LSW-A-Vlan-interface2] vrrp vrid 1 preempt-modez Configure Switch B.# Configure VLAN 2.

system-view

System View: return to User View with Ctrl+Z.[LSW-B] vlan 2[LSW-B-Vlan2] port Ethernet 2/0/5[LSW-B-vlan2] quit[LSW-B] interface Vlan-interface 2[LSW-B-Vlan-interface2] ip address 202.38.160.2 255.255.255.0[LSW-B-Vlan-interface2] quit# Enable a backup group to respond to ping operations destined for its virtual router IPaddress.[LSW-B] vrrp ping-enable# Create a backup group.[LSW-B] interface vlan 2[LSW-B-Vlan-interface2] vrrp vrid 1 virtual-ip 202.38.160.111# Configure the preemptive mode for the backup group.[LSW-B-Vlan-interface2] vrrp vrid 1 preempt-modeThe IP address of the default gateway of Host A can be configured to be202.38.160.111.Normally, Switch A functions as the gateway, but when Switch A is turned off or fails,Switch B will function as the gateway instead.Configure Switch A to operate in preemptive mode, so that it can resume its gatewayfunction as the master switch after recovery.1.4.2 VRRP Tracking Interface ConfigurationI. Network requirementsEven when Switch A is still functioning, Switch B (with another link to connect with theoutside) can function as a gateway when Switch A’s interface connecting to Internetdoes not function properly. This can be implemented by enabling the VLAN interfacetracking function.The VRRP backup group ID is set to 1, with configurations of authorization key andtimer.

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H3C S7500 Series Operation Manual

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