switch(bgp)# neighbor 200.1.3.1 remote-as 20
switch(bgp)# exit
6.
# Display the BGP routing table on Switch B.
switch(config)# show ip bgp 9.1.1.0
Local AS : 20 Local Router-id : 2.2.2.2
BGP Table Version : 3
Network : 9.1.1.0/24 Nexthop : 200.1.2.1
Peer : 200.1.2.1 Origin : igp
Metric : 0 Local Pref :
Weight : 0 Calc. Local Pref : 100
Valid : Yes Type : external
Stale : No
Best : Yes (Only Route Available)
AS-Path : 100
Communities :
7.
Switch B advertised routes to Switch C in AS 30.
8.
# Display the routing table on Switch C.
switch(config)# show ip bgp
Local AS : 30
Local Router-id : 3.3.3.3
BGP Table Version : 1
Status codes: * - valid, > - best, i - internal, e - external, s - stale
Origin codes: i - IGP, e - EGP, ? - incomplete
Network Nexthop Metric LocalPref Weight AsPath
-------------------------------------------------------
*>i 9.1.1.0/24 200.1.3.1 0 100 10i
9.
Switch C learned route 9.1.1.0/24 from Switch B.
10.
Configure the BGP community.
11.
# Configure a routing policy.
route-map bgp-out permit seq 10
switch(route-map-bgp-out)# set community no-export
switch(route-map-bgp-out)# exit
12.
# Apply the routing policy.
switch(config)# bgp 10
switch(bgp)# neighbor 200.1.2.2 route-map bgp-out out
13.
# Display the route on Switch B.
switch(config)# show ip bgp 9.1.1.0/24
Local AS : 20 Local Router-id : 2.2.2.2
BGP Table Version : 3
Network : 9.1.1.0/24 Nexthop : 200.1.2.1
Peer : 200.1.2.1 Origin : igp Metric : 0 Local Pref :
Chapter 17 Border Gateway Protocol (BGP)
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