Cisco ASR 9000 Series Routing Configuration Manual page 194

Configuring BGP Additional Paths
SUMMARY STEPS
1. configure
2. route-policy route-policy-name
3. if conditional-expression then action-statement else
4. pass endif
5. end-policy
6. router bgp as-number
7. address-family {ipv4 {unicast | multicast} | ipv6 {unicast | multicast | l2vpn vpls-vpws | vpnv4 unicast
| vpnv6 unicast }
8. additional-paths receive
9. additional-paths send
10. additional-paths selection route-policy route-policy-name
11. commit
DETAILED STEPS
Command or Action
Step 1
configure
Step 2 route-policy route-policy-name
Example:
RP/0/RSP0/CPU0:router (config)#route-policy
add_path_policy
Step 3 if conditional-expression then action-statement else
Example:
RP/0/RSP0/CPU0:router (config-rpl)#if community
matches-any (*) then
set path-selection all advertise
else
Step 4 pass endif
Example:
RP/0/RSP0/CPU0:router(config-rpl-else)#pass
RP/0/RSP0/CPU0:router(config-rpl-else)#endif
Step 5
end-policy
Example:
RP/0/RSP0/CPU0:router(config-rpl)#end-policy
Step 6 router bgp as-number
Example:
RP/0/RSP0/CPU0:router(config)#router bgp 100
Cisco ASR 9000 Series Aggregation Services Router Routing Configuration Guide, Release 5.3.x
164
Purpose
Defines the route policy and enters route-policy
configuration mode.
Decides the actions and dispositions for the given
route.
Passes the route for processing and ends the if
statement.
Ends the route policy definition of the route policy
and exits route-policy configuration mode.
Specifies the autonomous system number and enters
the BGP configuration mode, allowing you to
configure the BGP routing process.
Implementing BGP