HP 6125XLG R2306-HP 6125XLG Blade Switch Layer 3 - IP Routing Configuration Gu - Page 53
Configuring BFD for RIP (single-hop echo detection), Network requirements
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[SwitchC-Vlan-interface300] rip summary-address 10.0.0.0 8 # Display the IP routing table on Switch D. [SwitchD] display ip routing-table Destinations : 12 Routes : 12 Destination/Mask 0.0.0.0/32 10.0.0.0/8 11.3.1.0/24 11.3.1.0/32 11.3.1.2/32 11.4.1.0/24 11.4.1.0/32 11.4.1.2/32 127.0.0.0/8 127.0.0.0/32 127.0.0.1/32 127.255.255.255/32 Proto Pre Direct 0 RIP 100 Direct 0 Direct 0 Direct 0 Direct 0 Direct 0 Direct 0 Direct 0 Direct 0 Direct 0 Direct 0 Cost 0 1 0 0 0 0 0 0 0 0 0 0 NextHop 127.0.0.1 11.3.1.1 11.3.1.2 11.3.1.2 127.0.0.1 11.4.1.2 11.4.1.2 127.0.0.1 127.0.0.1 127.0.0.1 127.0.0.1 127.0.0.1 Interface InLoop0 Vlan300 Vlan300 Vlan300 InLoop0 Vlan400 Vlan400 InLoop0 InLoop0 InLoop0 InLoop0 InLoop0 Configuring BFD for RIP (single-hop echo detection) Network requirements As shown in Figure 11, VLAN-interface 100 of Switch A and Switch C runs RIP process 1. VLAN-interface 200 of Switch A runs RIP process 2. VLAN-interface 300 of Switch C and VLAN-interface 200 and VLAN-interface 300 of Switch B run RIP process 1. Configure a static route destined for 100.1.1.1/24 and enable static route redistribution into RIP on Switch C so Switch A can learn two routes destined for 100.1.1.1/24 through VLAN-interface 100 and VLAN-interface 200 respectively, and uses the one through VLAN-interface 100. Enable BFD for RIP on VLAN-interface 100 of Switch A. When the link over VLAN-interface 100 fails, BFD can quickly detect the failure and notify RIP so RIP deletes the neighbor relationship and route information learned on VLAN-interface 100, and uses the route destined for 100.1.1.1/24 through VLAN-interface 200. 42
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