H3C Technologies H3C S7500E Series Switches User Manual
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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.
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