HP 6125XLG R2306-HP 6125XLG Blade Switch Layer 3 - IP Routing Configuration Gu - Page 44
Configuration restrictions and guidelines, Configuration prerequisites, Configuration procedure,
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Figure 6 Network diagram for RIP FRR In Figure 6, configure FRR on Router B by using a routing policy to specify a backup next hop. When the primary link fails, RIP directs packets to the backup next hop. At the same time, RIP calculates the shortest path based on the new network topology, and forwards packets over that path after network convergence. Configuration restrictions and guidelines • RIP FRR takes effect only for RIP routes learned from directly connected neighbors. • Do not use RIP FRR and BFD for RIP at the same time. Otherwise, FRR might fail to work. • RIP FRR is available only when the state of primary link (with Layer 3 interfaces staying up) changes from bidirectional to unidirectional or when the primary link fails. Configuration prerequisites You must specify a next hop by using the apply fast-reroute backup-interface command in a routing policy and reference the routing policy for FRR. For more information about routing policy configuration, see "Configuring routing policies." Configuration procedure To configure RIP FRR: Step 1. Enter system view. Command system-view 2. Configure the source address of echo packets. bfd echo-source-ip ip-address 3. Enter RIP view. rip [ process-id ] [ vpn-instance vpn-instance-name ] 4. Configure RIP FRR. fast-reroute route-policy route-policy-name Remarks N/A By default, the source address of echo packets is not configured. N/A By default, RIP FRR is disabled. Displaying and maintaining RIP Execute display commands in any view and execute reset commands in user view. Task Display RIP current status and configuration information. Display all active routes in RIP database. Command display rip [ process-id ] display rip process-id database 33
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