14
Configuring IS-IS between an MCE and a PE
Step Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Create an IS-IS process
for a VPN instance and
enter IS-IS view.
isis
[
process-id
]
vpn-instance
vpn-instance-name
N/A
3.
Configure a network
entity title.
network-entity
net
By default, no NET is configured.
4.
(Optional.) Redistribute
the VPN routes.
import-route
{
isis
[
process-id
]
|
ospf
[
process-id
] |
rip
[
process-id
]
|
bgp
[
allow-ibgp
] |
direct
|
static
} [
cost
cost
|
cost-type
{
external
|
internal
} |
[
level-1
|
level-1-2
|
level-2
] |
route-policy
route-policy-name
|
tag
tag
] *
By default, IS-IS does not
redistribute routes of any other
routing protocol.
If you do not specify the route level
in the command, the command
redistributes routes to the level-2
routing table by default.
5.
(Optional.) Configure a
filtering policy to filter
the redistributed routes.
filter-policy
{
acl-number
|
prefix-list
prefix-list-name
|
route-policy
route-policy-name
}
import
By default, IS-IS does not filter
redistributed routes.
6.
Return to system view.
quit
N/A
7.
Enter interface view.
interface
interface-type interface-number
N/A
8.
Enable the IS-IS process
on the interface.
isis enable
[
process-id
]
By default, no IS-IS process is
enabled.
For more information about IS-IS, see
Layer 3—IP Routing Configuration Guide
.
Configuring EBGP between an MCE and a PE
Step Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enable BGP and enter BGP
view.
bgp
as-number
By default, BGP is not enabled.
3.
Enter BGP-VPN instance view.
ip vpn-instance
vpn-instance-name
N/A
4.
Specify the PE as the EBGP
peer.
peer
{
group-name
|
ip-address
}
[
as-number
as-number
]
By default, no BGP peer or peer
group is specified.
5.
Create and enter BGP-VPN
IPv4 unicast instance view.
ipv4-family
[
unicast
]
N/A
6.
Enable BGP to exchange IPv4
unicast routing information
with the specified peer or
peer group.
peer
{
group-name
|
ip-address
}
enable
By default, BGP does not exchange
IPv4 unicast routing information
with any peer or peer group.
7.
Redistribute the VPN routes of
the VPN site.
import-route
protocol
[
process-id
|
all-processes
]
By default, BGP does not
redistribute routes from any other
routing protocol.
8.
(Optional.) Configure a
filtering policy to filter the
routes to be advertised.
filter-policy
{
acl-number
|
prefix-list
ip-prefix-name
}
export
[
direct | isis
process-id
|
ospf
process-id
|
rip
process-id
|
static
]
By default, BGP does not filter the
routes to be advertised.