Brocade Multi-Service IronWare Multiprotocol Label Switch (MPLS) Configuration Guide (Supporting R05.6.00) User Manual
Page 573
Brocade# show mpls vll detail
VLL VLL1 VC-ID 1001
State: DOWN -PW is Down (Reason: MTU mismatch Local-MTU 1500, Remote-MTU 1400)
End-point: tagged vlan 1001 e 2/20
IFL-ID: --
Vll-peer: 10.21.21.21
Local VC type: tag Remote VC type: --
Local label: Remote label: --
Local group-id: 0 Remote group-id: --
Local VC MTU: 1500 Remote VC MTU: 1400
COS: -- Tunnel LSP: LSP_XMR21 (tnl0)
Extended Counters: Enabled
Multi-Service IronWare Multiprotocol Label Switch (MPLS) Configuration Guide
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Displaying MPLS VLL information
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The example below displays state, DOWN - PW is Down (Reason: LDP session is down) for a
single-tagged VLL instance.
Brocade# show mpls vll detail
VLL VLL1 VC-ID 1001
State: DOWN -PW is Down (Reason: LDP session is down)
End-point: tagged vlan 1001 e 2/20
IFL-ID: --
Vll-peer: 10.21.21.21
Local VC type: tag Remote VC type: --
Local label: -- Remote label: --
Local group-id: 0 Remote group-id: --
Local VC MTU: 1500 Remote VC MTU: --
COS: -- Tunnel LSP: LSP_XMR21 (tnl0)T
Extended Counters: Enabled
The UP state is introduced in the output of the show mpls vll detail command. The UP state
indicates that VLL is operational and packets are able to flow. The following example displays an
output of a dual-tagged VLL instance in an UP state.
Brocade# show mpls vll detail
VLL VLL1 VC-ID 1001
State: UP
End-point: tagged vlan 1001 e 2/20
IFL-ID: --
Vll-peer: 10.21.21.21
Local VC type: tag Remote VC type: tag
Local label: 800001 Remote label: 800002
Local group-id: 0 Remote group-id: 0
Local VC MTU: 1500 Remote VC MTU: 1500
COS: -- Tunnel LSP: LSP_XMR21 (tnl0)
Extended Counters: Enabled
The DOWN states, Waiting for PW Up, and Waiting for VC Withdrawal Completion is introduced in
the output of the show mpls vll detail command, and are described in more detail below.
•
The state, DOWN - Waiting for PW Up indicates that VLL is waiting for MPLS to bring up the
session.
•
The state, DOWN - Waiting for VC Withdrawal Completion indicates that PW is down, and VLL is
waiting for MPLS to withdraw the labels that VLL has requested.
The following example below displays the state, Down - Waiting for PW Up.