HP 6125G HP 6125G & 6125G/XG Blade Switches High Availability Configur - Page 174
Set Switch C to operate in preemptive mode and set the preemption delay to five seconds.
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# Enable Switch B to send RA messages so that hosts on network segment 1::/64 can learn the default gateway address. [SwitchB-Vlan-interface2] undo ipv6 nd ra halt [SwitchB-Vlan-interface2] quit # Create track entry 1 to associate with the physical status of VLAN-interface 3 on Switch B. When the track entry becomes negative, it means that the interface fails. [SwitchB] track 1 interface vlan-interface 3 # Configure VF tracking to monitor track entry 1 and specify the value by which the weight decreases, making the weight of Switch B decrease by more than 245 (250 in this example) when track entry 1 turns to negative. In such a case, another router with a higher weight can take over. [SwitchB] interface vlan-interface 2 [SwitchB-Vlan-interface2] vrrp ipv6 vrid 1 weight track 1 reduced 250 3. Configure Switch C: # Configure VLAN 2. system-view [SwitchC] vlan 2 [SwitchC-vlan2] port gigabitethernet 1/0/5 [SwitchC-vlan2] quit # Configure VRRP to operate in load balancing mode. [SwitchC] vrrp mode load-balance # Create VRRP group 1 and configure its virtual IPv6 addresses as FE80::10 and 1::10. [SwitchC] interface vlan-interface 2 [SwitchC-Vlan-interface2] ipv6 address fe80::3 link-local [SwitchC-Vlan-interface2] ipv6 address 1::3 64 [SwitchC-Vlan-interface2] vrrp ipv6 vrid 1 virtual-ip fe80::10 link-local [SwitchC-Vlan-interface2] vrrp ipv6 vrid 1 virtual-ip 1::10 # Set Switch C to operate in preemptive mode and set the preemption delay to five seconds. [SwitchC-Vlan-interface2] vrrp ipv6 vrid 1 preempt-mode timer delay 5 # Enable Switch C to send RA messages, so that hosts on network segment 1::/64 can learn the default gateway address. [SwitchC-Vlan-interface2] undo ipv6 nd ra halt [SwitchC-Vlan-interface2] quit # Create track entry 1 to associate with the physical status of VLAN-interface 3 on Switch C. When the track entry becomes negative, it means that the interface fails. [SwitchC] track 1 interface vlan-interface 3 # Configure VF tracking to monitor track entry 1 and specify the value by which the weight decreases, making the weight of Switch C decrease by more than 245 (250 in this example) when track entry 1 turns to negative. In such a case, another router with a higher weight can take over. [SwitchC] interface vlan-interface 2 [SwitchC-Vlan-interface2] vrrp ipv6 vrid 1 weight track 1 reduced 250 4. Verify the configuration: After the configuration, Host A can ping the external network. To verify the configuration, use the display ipv6 vrrp verbose command. # Display the detailed information about VRRP group 1 on Switch A. [SwitchA-Vlan-interface2] display vrrp ipv6 verbose IPv6 Standby Information: 167