Operation Manual – MPLS L3VPN
H3C S9500 Series Routing Switches
Chapter 1 MPLS L3VPN Configuration
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1.4.5 Configuring Routing Features for BGP VPNv4 Subaddress Family
With BGP VPNv4 subaddress family, there are a variety of routing features that are the
same as those for BGP IPv4 unicast routing. You can select any of the features as
required.
I. Configuring common routing features for all types of subaddress families
For VPN applications, BGP address families include BGP VPN-IPv4 address family,
BGP-L2VPN address family, and VPLS address family. Every command in the
following table has the same function on BGP routes for each type of the address
families.
Follow these steps to configure common routing features for all types of subaddress
families:
To do…
Use the command…
Remarks
Enter system view
system-view
—
Enter BGP view
bgp as-number
Required
Configure the remote PE
as the peer
peer ip-address
as-number
as-number
Required
Specify the interface for
TCP connection
peer ip-address
connect-interface
interface-type
interface-number
Required
ipv4-family vpnv4
l2vpn-family
Enter address family view
vpls-family
Required
Use one of the commands
as needed.
Allow the local AS number
to appear in the
AS_PATH attribute of a
received route and set the
maximum number of
repetitions
peer
{
group-name
|
ip-address
}
allow-as-loop
[
number
]
Optional
Enable a peer or peer
group for an address
family and enable the
exchange of BGP routing
information of the address
family
peer
{
group-name
|
ip-address
}
enable
Required
By default, only IPv4
routing information is
exchanged between BGP
peers.
Add a peer into an
existing peer group
peer ip-address group
group-name
Optional
