20. Route 8.1.1.0 becomes valid with the next hop as Switch A.
21. Verification.
Route filter configuration
Network requirements
In the following figure, Switch B establishes eBGP connections with Switch A and C. Configure the No_Export
community attribute on Switch A so that routes from AS 10 are not advertised by AS 20 to any other AS.
Figure 64: Network diagram for BGP community configuration
Configuration procedure
Procedure
1. Configure IP addresses for interfaces (omitted.)
2. Configure eBGP.
3. # Configure Switch A.
switch(config)# router bgp 10
switch(bgp)# bgp router-id 1.1.1.1
switch(bgp)# neighbor 200.1.2.2 remote-as 20
switch(bgp)# network 9.1.1.0/255.255.255.0/8
switch(bgp)# exit
4. # Configure Switch B.
switch(config)# bgp 20
switch(bgp)# bgp router-id 2.2.2.2
switch(bgp)# neighbor 200.1.2.1 remote-as 10
switch(bgp)# neighbor 200.1.3.2 remote-as 30
switch(bgp)# exit
5. # Configure Switch C.
switch(config)# bgp 30
switch(bgp)# bgp router-id 3.3.3.3
392 Aruba 3810 / 5400R Multicast and Routing Guide for ArubaOS-
Switch 16.08
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