NO.0 TNL type : lsp , TNL ID : 0x12002
create time : 0 days, 0 hours, 2 minutes, 23 seconds
up time : 0 days, 0 hours, 0 minutes, 13 seconds
last change time : 0 days, 0 hours, 0 minutes, 13 seconds
Run the display mpls l2vc brief command, and you can see that the destination address is the
peer IP address of the VC and the VC is in Up state. The following is an example:
<Quidway> display mpls l2vc brief
Total ldp vc : 1 1 up 0 down
*Client Interface : Vlanif10
VC State : up
VC ID : 101
VC Type : VLAN
Destination : 3.3.3.9
Run the display mpls l2vc remote-info command, and you can see that Peer Addr is the peer
address of the VC. The following is an example:
<Quidway> display mpls l2vc remote-info
Total remote ldp vc : 1
Transport Group Peer Remote Remote C MTU/ N S
VC ID ID Addr Encap VC Label Bit CELLS Bit Bit
100 0 192.3.3.3 vlan 21504 0 1500 1 0
5.6 Configuring PW Switching
This section describes how to configure PW switching. When packets are forwarded through
MH-PW, the PW labels are exchanged.
5.6.1 Establishing the Configuration Task
5.6.2 Configuring PW Switching
5.6.3 Checking the Configuration
5.6.1 Establishing the Configuration Task
Applicable Environment
To support MH-PW, the S9300 must support the PW switching function. MH PW requires label
switching at the PW label level. PW switching must be configured on the S-PE with high
performance and capability of setting up a large number of MPLS LDP sessions.
In the following three cases, PW switching is required:
l Two PEs are not in the same AS. No signaling connection or tunnel can be set up between
the two PEs. (If inter-AS tunnel is set up by the labeled BGP route, MH-PW is not required.)
l The signaling of two PEs differs from each other.
l If the access device supports MPLS, but is incapable of setting up a large number of LDP
sessions, you can use User Facing Provider Edge (UFPE) as U-PE. In addition, you can
use the S-PE as the switching node of LDP sessions, which is similar to signaling reflector.
Pre-configuration Tasks
Before configuring PW switching, complete the following tasks:
5 PWE3 Configuration
Quidway S9300 Terabit Routing Switch
Configuration Guide - VPN
5-20 Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Issue 03 (2009-08-20)
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