HP 6125XLG R2306-HP 6125XLG Blade Switch Layer 3 - IP Routing Configuration Gu - Page 18
Configuring BFD for static routes, Bidirectional control mode
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Step 4. (Optional.) Delete all static routes, including the default route. Command delete [ vpn-instance vpn-instance-name ] static-routes all Remarks To delete one static route, use the undo ip route-static command. Configuring BFD for static routes IMPORTANT: Enabling BFD for a flapping route could worsen the situation. BFD provides a general-purpose, standard, medium-, and protocol-independent fast failure detection mechanism. It can uniformly and quickly detect the failures of the bidirectional forwarding paths between two routers for protocols, such as routing protocols. For more information about BFD, see High Availability Configuration Guide. Bidirectional control mode To use BFD bidirectional control detection between two devices, enable BFD control mode for each device's static route destined to the peer. To configure a static route and enable BFD control mode for it, specify an output interface and a direct next hop, or specify an indirect next hop and a specific BFD packet source address for the static route. To configure BFD control mode for a static route (direct next hop): Step 1. Enter system view. 2. Configure BFD control mode for a static route. Command system-view • Method 1: ip route-static dest-address { mask | mask-length } interface-type interface-number next-hop-address bfd control-packet [ preference preference-value ] [ tag tag-value ] [ description description-text ] • Method 2: ip route-static vpn-instance s-vpn-instance-name dest-address { mask | mask-length } interface-type interface-number next-hop-address bfd control-packet [ preference preference-value ] [ tag tag-value ] [ description description-text ] Remarks N/A Use either method. By default, BFD control mode for a static route is not configured. To configure BFD control mode for a static route (indirect next hop): Step 1. Enter system view. Command system-view Remarks N/A 7
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