HP 6125G HP 6125G & 6125G/XG Blade Switches High Availability Configur - Page 141
Configuring VRRP packet attributes, Configuration guidelines, Configuration prerequisites,
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the status of the track entry becomes positive or invalid, the weight values of all VFs on the router restore their original values. If you configure the VF tracking function on an LVF to monitor its corresponding AVF on a specified router, the LVF can take over the AVF immediately when the status of the track entry becomes negative, to ensure uninterrupted network communications. To configure VF tracking: Step 1. Enter system view. 2. Enter the specified interface view. 3. Configure VF tracking. Command system-view Remarks N/A interface interface-type interface-number N/A Configure the VF tracking function to monitor a specified track entry and specify the value by which the weight decreases: vrrp ipv6 vrid virtual-router-id weight track track-entry-number [ reduced weight-reduced ] Configure the VF tracking function to monitor an AVF on a specified router: vrrp ipv6 vrid virtual-router-id track track-entry-number forwarder-switchover member-ip ipv6-address Use either approach. The VF tracking function is not configured by default. Configuring VRRP packet attributes Configuration guidelines • You might configure different authentication modes and authentication keys for the VRRP groups on an interface. However, the members of the same VRRP group must use the same authentication mode and authentication key. • Excessive traffic might cause a backup to trigger a change of its status because the backup does not receive any VRRP advertisements for a specified period of time. To solve this problem, prolong the time interval to send VRRP advertisements. • Configuring different intervals for sending VRRP advertisements on the routers in a VRRP group might cause a backup to trigger a change of its status because the backup does not receive any VRRP advertisements for a specified period of time. To solve this problem, configure the same interval for sending VRRP advertisements on each router in the VRRP group. Configuration prerequisites Before you configure the relevant attributes of VRRP packets, create a VRRP group and configure a virtual IPv6 address. Configuration procedure To configure VRRP packet attributes: Step 1. Enter system view. Command system-view Remarks N/A 134