9
6.
Return to system view.
quit
7.
Enter interface view.
interface interface-type interface-number
8.
Enable the IS-IS process on the interface.
isis enable
[
process-id
]
By default, no IS-IS process is enabled on the interface.
Configuring EBGP between an MCE and a VPN site
About EBGP between an MCE and a VPN site
To run EBGP 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 the VPN network addresses it can reach 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
Commands in BGP-VPN instance view are the same as those in BGP instance view. For more
information, see
Layer 3—IP Routing Configuration Guide
.
4.
Configure the VPN site as an EBGP 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.
peer
{
group-name
|
ipv4-address
[
mask-length
]
}
enable
By default, BGP does not exchange IPv4 unicast routes with peers.
7.
(Optional.) Allow the local AS number to appear in the AS_PATH attribute of routes received
from the peer, and set the maximum number of repetitions.
peer
{
group-name
|
ipv4-address
[
mask-length
]
}
allow-as-loop
[
number
]
By default, BGP discards incoming route updates that contain the local AS number.
8.
Redistribute remote site routes advertised by the PE 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 the VPN site
1.
Enter system view.
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