Dell C9010 Modular Chassis Switch EMC Networking Command-Line Reference Guide - Page 428

Example The following describes the show ip bgp damp command shown in the following example. Field Description Network From Reuse Path Displays the network ID to which the route is dampened. Displays the IP address of the neighbor advertising the dampened route. Displays the hour:minutes:seconds until the dampened route is available. Lists all the ASs the dampened route passed through to reach the destination network. Dell#show ip bgp dampened-paths BGP local RIB : Routes to be Added 0, Replaced 0, Withdrawn 0 BGP local router ID is 192.168.11.5 Status codes: s suppressed, S stale, d dampened, h history, * valid, > best Path source: I - internal, a - aggregate, c - confed-external, r redistributed n - network, D - denied, S - stale Origin codes: i - IGP, e - EGP, ? - incomplete Network From Reuse Path d 55.0.0.0/24 172.16.0.2 00:36:23 200 Dell# BGP Extended Communities (RFC 4360) BGP Extended Communities, as defined in RFC 4360, is an optional transitive BGP attribute. BGP Extended Communities provides two major advantages over Standard Communities: ● The range is extended from 4-octet (AA:NN) to 8-octet (Type:Value) to provide enough number communities. ● Communities are structured using a new "Type" field (1 or 2-octets), allowing you to provide granular control/filter routing information based on the type of extended communities. deny To reject (deny) from the two types of extended communities, route origin (rt) or site-of-origin (soo), use this feature. C9000 Series Syntax Parameters deny {rt | soo} {as4 ASN4:NN | ASN:NNNN | IPADDR:NN} To remove (delete) the rule, use the no deny {rt | soo} {as4 ASN4:NN | ASN:NNNN | IPADDR:NN} command. rt soo as4 ASN4:NN ASN:NNNN IPADDR:NN Enter the keyword rt to designate a Route Origin community. Enter the keyword soo to designate a Site-of-Origin community (also known as Route Origin). Enter the keyword as4 then the 4-octet AS specific extended community number in the format ASN4:NN (4-byte AS number:2-byte community value). Enter the 2-octet AS specific extended community number in the format ASN:NNNN (2-byte AS number:4-byte community value). Enter the IP address specific extended community in the format IPADDR:NN (4byte IPv4 Unicast Address:2-byte community value). 428 Border Gateway Protocol