Administrator Guide

Layer 3 Routing Commands 1403
BGP Routing Policy
Dell Networking N3000/N4000 Series Switches
Exterior routing protocols like BGP use industry-standard routing policy to
filter and modify routing information exchanged with peers. BGP makes use
of the following routing policy constructs:
• AS Path Access Lists
• BGP Community Lists
Use the Routing Policy commands to configure routing policies such as:
•Matching on an AS Path
• Modifying the AS Path
• Setting the local preference
• Setting the route metric
• Setting an IPv6 next hop
• Setting or matching on a BGP community
Commands in this Section
This section explains the following commands:
ip as-path access-list show ip prefix-list
ip bgp-community new-format show ipv6 prefix-list
ip community-list clear ip prefix-list
ip prefix-list clear ipv6 prefix-list
ip prefix-list description clear ip community-list
ipv6 prefix-list set as-path
match as-path set comm-list delete
match community set community
match ip address prefix-list set ipv6 next-hop (BGP)
match ipv6 addrss prefix-list set local-preference
show ip as-path-access-list set metric
2CSNXXX_SWUM204.book Page 1403 Monday, January 25, 2016 1:25 PM