10
system-view
2.
Enter BGP instance view.
bgp
as-number
[
instance
instance-name
]
By default, BGP is not enabled.
3.
Configure the MCE as an EBGP peer.
peer
{
group-name
|
ipv4-address
[
mask-length
]
}
as-number
as-number
4.
Enter BGP IPv4 unicast address family view.
address-family ipv4
[
unicast
]
5.
Enable BGP to exchange IPv4 unicast routes with the specified peer or peer group.
peer
{
group-name
|
ipv4-address
[
mask-length
]
}
enable
By default, BGP does not exchange IPv4 unicast routes with peers or peer groups.
6.
Redistribute the IGP routes of the VPN into BGP.
import-route
protocol
[
{
process-id
|
all-processes
}
[
allow-direct
|
med med-value
|
route-policy route-policy-name
]
*
]
By default, no routes are redistributed into BGP.
Configuring IBGP between an MCE and a VPN site
About IBGP between an MCE and a VPN site
To run IBGP between an MCE and a VPN site, you must configure a BGP peer for each VPN
instance on the MCE, and redistribute the IGP routes of each VPN instance on the VPN site.
Restrictions and guidelines
You must configure a VPN site to advertise VPN network addresses to the connected MCE.
Configuring the MCE
1.
Enter system view.
system-view
2.
Enter BGP instance view.
bgp
as-number
[
instance
instance-name
]
By default, BGP is not enabled.
3.
Enter BGP-VPN instance view.
ip vpn-instance
vpn-instance-name
4.
Configure the VPN site as an IBGP peer.
peer
{
group-name
|
ipv4-address
[
mask-length
]
}
as-number
as-number
5.
Enter BGP-VPN IPv4 unicast address family view.
address-family ipv4
[
unicast
]
6.
Enable BGP to exchange IPv4 unicast routes with the specified peer or peer group.
peer
{
group-name
|
ipv4-address
[
mask-length
]
}
enable
By default, BGP does not exchange IPv4 unicast routes with peers or peer groups.
7.
(Optional.) Configure the local device as the RR, and specify the peer as the client of the RR.
peer
{
group-name
|
ipv4-address
[
mask-length
]
}
reflect-client
By default, no RR or RR client is configured.
After you configure a VPN site as an IBGP peer, the MCE does not advertise the BGP routes
learned from the VPN site to other IBGP peers, including VPNv4 peers. The MCE advertises
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