Dell Force10 S4820T FTOS Command Reference Guide - Page 804

www.dell.com | support.dell.com Syntax bgp default local-preference value To return to the default value, enter no bgp default local-preference. Parameters value Enter a number to assign to routes as the degree of preference for those routes. When routes are compared, the higher the degree of preference or local preference value, the more the route is preferred. Range: 0 to 4294967295 Default: 100 Defaults 100 Command Modes ROUTER BGP Command History = Version 8.3.19.0 Version 8.4.2.1 Version 8.2.1.0 Version 7.4.1.0 Introduced on S4820T Introduced on C-Series and S4810 Introduced on E-Series ExaScale Introduced on E-Series TeraScale Usage Information The bgp default local-preference command setting is applied by all routers within the AS. bgp enforce-first-as c e Disable (or enable) enforce-first-as check for updates received from EBGP peers. Syntax Defaults Command Modes Usage Information Related Commands bgp enforce-first-as To turn off the default, use the no bgp enforce-first-as command. Enabled ROUTER BGP This is enabled by default, that is for all updates received from EBGP peers, BGP ensures that the first AS of the first AS segment is always the AS of the peer. If not, the update is dropped and a counter is incremented. Use the show ip bgp ipv6 unicast neighbors command to view the "failed enforce-first-as check counter. If enforce-first-as is disabled, it can be viewed via the show ip protocols command. show ip bgp ipv6 unicast neighbors show ip protocols Display IPv6 routing information exchanged by BGP neighbors. View Information on routing protocols. 804 | IPv6 Border Gateway Protocol (IPv6 BGP)