220
Step Command
Remarks
4.
Configure the type codes of
OSPF extended community
attributes.
ext-community-type
{
domain-id
type-code1
|
router-id
type-code2
|
route-type
type-code3
}
The defaults are as follows:
•
0x0005 for Domain ID.
•
0x0107 for Router ID.
•
0x0306 for Route Type.
Perform this configuration on the
PE.
5.
Create an OSPF area and
enter area view.
area
area-id
By default, no OSPF areas exist.
6.
Enable OSPF on the
interface attached to the
specified network in the area.
network
ip-address
wildcard-mask
By default, an interface neither
belongs to any area nor runs
OSPF.
Configuring IS-IS between a PE and a CE
An IS-IS process belongs to the public network or a single VPN instance. If you create an IS-IS
process without binding it to a VPN instance, the process belongs to the public network.
To configure IS-IS between a PE and a CE:
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
Perform this configuration on the
PE. On the CE, configure
common IS-IS.
3.
Configure a network entity
title for the IS-IS process.
network-entity
net
By default, no NET is configured.
4.
Return to system view.
quit
N/A
5.
Enter interface view.
interface
interface-type
interface-number
N/A
6.
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 a PE and a CE
1.
Configure the PE:
Step Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter BGP instance view.
bgp
as-number
[
instance
instance-name
]
N/A
3.
Enter BGP-VPN instance
view.
ip vpn-instance
vpn-instance-name
Configuration 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 CE as the
VPN EBGP peer.
peer
{
group-name
|
ip-address
[
mask-length
] }
as-number
as-number
By default, no BGP peers exist.
For more information about
BGP peers and peer groups,
see
Layer 3—IP Routing
Configuration Guide.
