HP 6125XLG R2306-HP 6125XLG Blade Switch Layer 3 - IP Routing Configuration Gu - Page 218
Configuring the interval for sending updates for the same route
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Step 1. Enter system view. 2. Enter BGP view or BGP-VPN instance view. 3. Configure the keepalive interval and hold time. Command Remarks system-view • Enter BGP view: bgp as-number • Enter BGP-VPN instance view: a. bgp as-number b. ip vpn-instance vpn-instance-name N/A N/A Use either method. • Configure the global keepalive interval and hold time: timer keepalive keepalive hold By default, the keepalive interval is 60 seconds, and hold time is 180 seconds. holdtime The timer command takes effect for • Configure the keepalive interval and hold time for a new BGP sessions and does not affect existing sessions. peer or peer group: If you modify the timers with the peer { group-name | peer timer command, BGP ipv6-address } timer keepalive immediately closes the existing keepalive hold holdtime BGP session and creates a new session to the peer by using the new settings. Configuring the interval for sending updates for the same route A BGP router sends an update message to its peers when a route is changed. If the route changes frequently, the BGP router keeps sending updates for the same route, resulting route flapping. To prevent this situation, perform this task to configure the interval for sending updates for the same route to a peer or peer group. To configure the interval for sending the same update to a peer or peer group (IPv4): Step Command 1. Enter system view. system-view 2. Enter BGP view or BGP-VPN instance view. • Enter BGP view: bgp as-number • Enter BGP-VPN instance view: a. bgp as-number b. ip vpn-instance vpn-instance-name 3. Configure the interval for sending updates for the same peer { group-name | ip-address } route to a peer or peer group. route-update-interval interval Remarks N/A N/A By default, the interval is 15 seconds for an IBGP peer and 30 seconds for an EBGP peer. To configure the interval for sending the same update to a peer or peer group (IPv6): Step 1. Enter system view. Command system-view Remarks N/A 207
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