3com MSR 20-20 참조 매뉴얼
1668
C
HAPTER
97: MPLS L2VPN C
ONFIGURATION
C
OMMANDS
View
User view
Parameter
as-number: Resets L2VPN BGP connections with the peers in the AS with this
number. The AS number must be in the range 1 to 65535.
number. The AS number must be in the range 1 to 65535.
ip-address: Resets the L2VPN BGP connection to the peer with this IP address.
all: Resets all L2VPN BGP connections.
external: Resets L2VPN EBGP sessions.
internal: Resets L2VPN IBGP sessions.
Description
Use the reset bgp l2vpn command to reset L2VPN BGP connections.
Example
# Reset all L2VPN BGP connections.
<Sysname> reset bgp l2vpn all
route-distinguisher (MPLS L2VPN view)
Syntax
route-distinguisher route-distinguisher
View
MPLS L2VPN view
Parameter
route-distinguisher: Specifies the route distinguisher (RD) in the format of nn:nn or
IP-address:nn. It can be a string of 3 to 21 characters.
IP-address:nn. It can be a string of 3 to 21 characters.
An RD can be in either of the following formats:
■
16-bit AS number:32-bit user-defined number. For example, 101:3.
■
32-bit IP address:16-bit user-defined number. For example, 192.168.122.15:1.
Description
Use the route-distinguisher command to configure an RD for the VPN.
Different VPNs on a PE must have different RDs, while a VPN can have the same or
different RDs on different PEs.
different RDs on different PEs.
n
■
You cannot change an RD directly; you can only delete the VPN and then
re-create the VPN using the new RD.
re-create the VPN using the new RD.
■
No RD is configured by default; you must configure an RD for each VPN. A VPN
takes effect only when it is configured with an RD.
takes effect only when it is configured with an RD.
■
Once you configure an RD for a VPN, you cannot remove the association
between the RD and the VPN.
between the RD and the VPN.
Example
# Configure the RD of a VPN.
<Sysname> system-view
[Sysname] mpls l2vpn vpn1 encapsulation ppp
[Sysname-mpls-l2vpn-vpn1] route-distinguisher 300:1