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To configure OSPF between a PE and a CE:
1. Enter system view.
N/A
2. Create an OSPF process for
a VPN instance and enter the
OSPF view.
ospf
[ process-id |
router-id
router-id |
vpn-instance
vpn-instance-name ] *
Perform this configuration on the
PE. On the CE, create a common
OSPF process.
3. (Optional.) Configure an
OSPF domain ID.
domain-id
domain-id
[
secondary
]
The default domain ID is 0.
Perform this configuration on the
PE.
The domain ID is carried in the
routes of the OSPF process.
When redistributing routes from
the OSPF process, BGP adds the
domain ID as an extended
community attribute into BGP
routes.
configured with only one domain
ID. Domain IDs of different OSPF
processes can be the same.
All OSPF processes of a VPN
must be configured with the same
domain ID.
4. Configure the type codes of
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.
enter area view.
area
area-id
By default, no OSPF area is
created.
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:
1. Enter system view.
N/A
2. Create an IS-IS process for a
IS-IS view.
isis
[ process-id ]
vpn-instance
vpn-instance-name
Perform this configuration on the
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
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