D-Link DXS-3600-32S CLI Guide - Page 91
clear ip bgp flap-statistics
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DXS-3600 Series 10GbE Layer 2/3 Switch CLI Reference Guide Command Default Level Usage Guideline Level: 8. (EI Mode Only Command) This command can be used to initiate a hard reset or soft reconfiguration of eBGP neighbor sessions. If a hard reset is applied to the inbound session, the inbound session will be torn down and the local inbound routing table and the remote outbound routing table will be cleared. If a soft reset is applied to the inbound session, the session will not be rebuilt but the local inbound routing table will be cleared and needs to be rebuilt. If a soft reconfiguration inbound is enabled, then the routing table can be rebuilt based on the stored route updates information. If a soft reconfiguration inbound is disabled, then the local router will send the route refresh request to the neighbor to ask for the route refresh. When the inbound session undergoes a soft reset with the prefix filter option, and the 'capability_orf_prefix_list' parameter is enabled in the sending direction, then the local BGP will send a 'clear the routing table' message, and notify the remote neighbor for the prefix filter. This is a way to notify the neighbor of the prefix filter whenever a change is made to the prefix filter. Example The following example, a soft reconfiguration is configured for all inbound eBGP peering sessions. DXS-3600-32S#clear ip bgp external soft in DXS-3600-32S# Example This example shows how to send a prefix filter to a neighbor and let the neighbor readvertisement BGP routes, based on the new prefix filter. The neighbor capability of the prefix-list in the sending direction needs be configured, and that the local filter list in the inbound direction for the peer needs be set. DXS-3600-32S#configure terminal DXS-3600-32S(config)#router bgp 100 DXS-3600-32S(config-router)#neighbor 172.16.10.1 remote-as 200 DXS-3600-32S(config-router)#neighbor 172.16.10.1 capability orf prefix-list send DXS-3600-32S(config-router)#neighbor 172.16.10.1 filter-list myacl in DXS-3600-32S(config-router)#end DXS-3600-32S#clear ip bgp external soft in prefix-filter DXS-3600-32S# 7-28 clear ip bgp flap-statistics This command is used to clear the BGP route dampening flap statistics. clear ip bgp flap-statistics [{IP-ADDRESS | NETWORK-ADDRESS}] Parameters IP-ADDRESS NETWORK-ADDRESS Specifies an IPv4 address to clear the dampening flap statistics. Specifies an IPv4 network to clear the dampening flap statistics. Default Command Mode Command Default Level None. Privileged Mode. Level: 8. (EI Mode Only Command) 83
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