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VOSS How to configure BGP

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TitleVOSS How to configure BGP
Objective
How to configure BGP on VSP switches running VOSS software.
Environment
  • VSP 4000
  • VSP 7200
  • VSP 7400
  • VSP 8200
  • VSP 8400
  • VOSS
Procedure
BGP configuration in GRT:
interface GigabitEthernet <PORT#>
brouter port <PORT#> vlan <VLAN_ID> subnet <WAN_IP>/<SUBNET_MASK>
exit

router bgp
router-id <xx.xx.xx.xx>
exit
router bgp <LOCAL_AS#> enable

router bgp
no auto-summary
neighbor <NEIGHBOR_IP>
neighbor <NEIGHBOR_IP> remote-as <REMOTE_AS#>
neighbor <NEIGHBOR_IP> next-hop-self
neighbor <NEIGHBOR_IP> enable
exit
Enabling Debug parameters in GRT (Optional):
router bgp
global-debug mask error,packet,event
debug-screen on
exit


BGP configuration in VRF:
ip vrf <VRF_NAME> vrfid #

interface GigabitEthernet <PORT#>
vrf <VRF_NAME>
brouter port <PORT#> vlan <VLAN_ID> subnet <WAN_IP>/<SUBNET_MASK>
exit

router bgp
router-id <xx.xx.xx.xx>
exit
router bgp <LOCAL_AS#> enable

router vrf <VRF_NAME>
ip bgp
no ip bgp auto-summary
ip bgp enable
ip bgp neighbor "<NEIGHBOR_IP>"
ip bgp neighbor <NEIGHBOR_IP> remote-as <REMOTE_AS#>
ip bgp neighbor <NEIGHBOR_IP> next-hop-self
ip bgp neighbor <NEIGHBOR_IP> enable
exit

Enabling MD5 authentication (Optional):
router vrf <VRF_NAME>
ip bgp
ip bgp neighbor password <NEIGHBOR_IP> <MD5_PASSWORD_STRING>
ip bgp neighbor <NEIGHBOR_IP> MD5-authentication enable
exit

Enabling Debug parameters in VRF (Optional):
router vrf <VRF_NAME>
ip bgp
ip bgp global-debug mask error,packet,event
ip bgp debug-screen on
exit
Additional notes
Minimum Requirements

You must configure the following minimum parameters:
  • router ID
  • local AS number
  • enable BGP globally
  • BGP neighbor peer session: remote IP addresses
  • enable BGP peers
  • When you use both BGP and OSPF, the OSPF and BGP router ID must be the same.
The router ID must be a valid IP address of an IP interface on the router or a CLIP address. BGP update messages use this IP address. By default, the BGP router ID automatically uses the OSPF router ID.
 

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