216
243B
Redistributing the loopback interface address
Step Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter BGP instance view.
bgp
as-number
[
instance
instance-name
]
[
multi-session-thread
]
N/A
3.
Enter BGP-VPN instance view.
ip vpn-instance
vpn-instance-name
N/A
4.
Enter BGP-VPN IPv4 unicast
address family view.
address-family ipv4
[
unicast
] N/A
5.
Redistribute direct routes into
BGP (including the loopback
interface route).
import-route direct
By default, no direct routes
are redistributed into BGP.
244B
Creating a sham link
Step Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter OSPF view.
ospf
[
process-id
|
router-id
router-id
|
vpn-instance
vpn-instance-name
] *
As a best practice, specify a router
ID.
3.
Set the external route tag for
imported VPN routes.
route-tag tag-value
By default, if BGP runs within an
MPLS backbone, and the BGP AS
number is not greater than 65535,
the first two octets of the external
route tag are 0xD000 and the last
two octets are the local BGP AS
number. If the AS number is
greater than 65535, the external
route tag is 0.
4.
Enter OSPF area view.
area area-id
N/A
5.
Configure a sham link.
sham-link source-ip-address
destination-ip-address
[
cost
cost-value
|
dead dead-interval
|
hello hello-interval
|
{ {
hmac-md5
|
md5
}
key-id
{
cipher
|
plain
}
string
|
keychain
keychain-name
|
simple
{
cipher
|
plain
}
string
} |
retransmit
retrans-interval
|
trans-delay
delay
|
ttl-security
hops
hop-count
] *
By default, no sham links exist.
96B
Specifying the VPN label processing mode on the
egress PE
An egress PE can process VPN labels in either POPGO or POP mode:
