Monitoring VPWS Connections

Purpose

Display configuration and status information for VPWS L2VPN connections configured on the router. The details keyword displays detailed information about the connections.

Action

To display detailed information about connections for all VPWS instances configured on the router:

host1:pe1# show l2vpn connections details
L2VPN: l2vpn1
    Encapsulation Type Ethernet
    Use of control word is preferred
    Send sequence numbers
    Route Distinguisher 100:11
    Site Range 10
    Sites:
      Site Name westford Site Id 1
       Multi-homed:            Yes
       Site-Priority:          45    Route Targets: 
      Route Target: RT:100:1 both
                                                    Admin    Oper 
   Interface      Local-Site-Id   Remote-Site-Id    state    state
---------------   -------------   --------------   -------   -----
FastEthernet4/1   1               2                enabled   up   
Connections status code:
UP = Operational
SC = Local and Remote Site Identifier Collision
EM = Encapsulation Mismatch
OR = Out of Range
DN = VC Down because Remote PE Unreachable
LD = Local Site Down
RD = Remote Site Down
AS = Max BGP AS path length exceeded
OL = No Out Label
CM = Control Word Mismatch
LN = Local Site not Designated
RN = Remote Site not Designated

Local   Remote           Remote                             MPLS     Up-down 
Site     Site    State     PE      In-label   Out-label    NH Idx      Time  
-----   ------   -----   -------   --------   ---------   --------   --------
1       2        UP      2.2.2.2   25         74          0000001d   01:49:12
L2VPN: l2vpn2
    Encapsulation Type ATM AAL5 SDU VCC transport
    Use of control word is preferred
    Send sequence numbers
    Route Distinguisher 100:12
    Site Range 20
    Sites: 
      Site Name boston Site Id 3
       Multi-homed:            Yes
       Site-Priority:          100    Route Targets: 
      Route Target: RT:100:2 both
                                               Admin    Oper 
Interface    Local-Site-Id   Remote-Site-Id    state    state
----------   -------------   --------------   -------   -----
ATM2/0.122   1               2                enabled   up   
ATM2/0.123   1               3                enabled   up   
ATM2/0.124   3               1                enabled   up   
ATM2/0.121   3               2                enabled   up   
Connections status code:
UP = Operational
SC = Local and Remote Site Identifier Collision
EM = Encapsulation Mismatch
OR = Out of Range
DN = VC Down because Remote PE Unreachable
LD = Local Site Down
RD = Remote Site Down
AS = Max BGP AS path length exceeded
OL = No Out Label
CM = Control Word Mismatch
LN = Local Site not Designated
RN = Remote Site not Designated

Local   Remote           Remote                                      MPLS     Up-down 
Site     Site    State     PE        In-label        Out-label      NH Idx      Time  
-----   ------   -----   -------   -------------   -------------   --------   --------
1       2        UP      2.2.2.2   35              84              0000001d   01:50:40
1       3        UP                implicit-null   implicit-null   2d000008   02:24:45
3       1        UP                implicit-null   implicit-null   2d000007   02:24:45
3       2        UP      2.2.2.2   55              86              0000001d   01:50:40

To display detailed information about connections for a specific VPWS instance:

host1#show l2vpn connections instance l2vpn1 details 
L2VPN: l2vpn1
    Encapsulation Type ATM AAL5 SDU VCC transport
    Use of control word is preferred
    Send sequence numbers
    Route Distinguisher 100:11
    Site Range 10
    Sites:
      Site Name westford Site Id 1
      Multihomed priority 200
     Route Targets: 
      Route Target: RT:100:2 both
                                               Admin    Oper 
Interface    Local-Site-Id   Remote-Site-Id    state    state
----------   -------------   --------------   -------   -----
ATM2/0.100   1               2                enabled   up   
ATM2/0.12    1               3                enabled   up   
Connections status code:
UP = Operational
SC = Local and Remote Site Identifier Collision
EM = Encapsulation Mismatch
OR = Out of Range
DN = VC Down because Remote PE Unreachable
LD = Local Site Down
RD = Remote Site Down
AS = Max BGP AS path length exceeded
OL = No Out Label
CM = Control Word Mismatch
LN = Local Site not Designated
RN = Remote Site not Designated

               Remote                             MPLS       Up-down  
Site   State     PE      In-label   Out-label    NH Idx       Time    
----   -----   -------   --------   ---------   --------   -----------
2      UP      2.2.2.2   17         801024      00000014   1d 08:45:34
3      UP      2.2.2.2   18         801028      00000014   1d 08:45:34

Meaning

Table 140 lists the show l2vpn connections command output fields.

Table 140: show l2vpn connections Output Fields

Field Name

Field Description

L2VPN

Name of the VPWS instance

Encapsulation Type

Encapsulation type configured for the VPWS instance

Use of control word

Local preference for control word, preferred or not preferred

sequence numbers

Local preference for sequence number, send or don’t send

Route Distinguisher

Route distinguisher configured for the VPWS instance

Site Range

Maximum number of customer sites allowed in the VPWS instance

Sites

Site name and site ID for each customer site in the VPWS instance

Multihomed priority

Priority of the VPWS instance to serve as the backup PE router for the CE device in the event of a network failure in the multihomed configuration; indicates also that the site is multihomed

Route Targets

Route targets configured for the VPWS instance

Interface

Layer 2 interface that is a member of the VPWS instance

Local-Site-Id

Local customer site ID configured on the layer 2 interface

Remote-Site-Id

Remote customer site ID configured on the layer 2 interface

Related Documentation