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Monitoring Global Configuration Status on E-series Routers

Purpose

Display the global configuration and status for L2TP on E-series routers, including switched sessions.

Action

To display the global configuration and status for L2TP on E-series routers, including switched sessions:

host1#show l2tp 
Configuration
  L2TP administrative state is enabled
  Dynamic interface destruct timeout is 600 seconds
  Data packet checksums are disabled
  Receive data sequencing is not ignored
  Tunnel switching is disabled
  Retransmission retries for established tunnels is 5
  Retransmission retries for not-established tunnels is 5
  Tunnel idle timeout is 60 seconds
  Failover within a preference level is disabled
  Weighted load balancing is disabled
  Tunnel authentication challenge is enabled
  Calling number avp is enabled
  Reject remote transmit address change is enabled for ip address
  Ignore remote transmit address change is disabled 
  Disconnect-cause avp generation is enabled
  Default receive window size is system chooses 
  Rx speed avp when equal is enabled 
  Destination lockout timeout is 300 seconds 
  Destination lockout test is disabled 
  Failover resync is silent-failover 
Sub-interfaces      total      active     failed     auth-errors
  Destinations      0          0          0          n/a
  Tunnels           0          0          0          0
  Sessions          0          0          0          n/a
  Switched-sessions 0          0          0          n/a

Meaning

Table 80 lists the show l2tp command output fields.

Table 80: show l2tp Output Fields

Field Name	Field Description
Configuration	Configuration and status for L2TP on E-series routers, including switched sessions
L2TP administrative state	Status of L2TP on the router; enabled or disabled
Dynamic interface destruct timeout	Number of seconds that the router maintains dynamic destinations, tunnels, and sessions after they have terminated
Data packet checksums	Status of checking data integrity via UDP; enabled or disabled
Receive data sequencing	Whether the router processes or ignores sequence numbers in incoming data packets
Tunnel switching	Enabled or disabled
Retransmission retries for established tunnels	Number of retries configured for established tunnels
Retransmission retries for not-established tunnels	Number of retries configured for tunnels not established
Tunnel idle timeout	Length of the tunnel idle timeout, in seconds
Failover within a preference level	Enabled or disabled
Weighted load balancing	Enabled or disabled
Tunnel authentication challenge	Enabled or disabled
Calling number avp	Whether the E-series LAC sends Calling-Station-Id and Called-Station-Id AVPs in ICRQ packets, enabled or disabled
Reject remote transmit address change	Enabled or disabled for IP address, UDP port, or both
Ignore remote transmit address change	Enabled or disabled for IP address, UDP port, or both
Disconnect-cause avp generation	Enabled or disabled
Default receive window size	Default L2TP RWS for a tunnel on both the LAC and the LNS; displays either the configured value or the default behavior, indicated by system chooses
Rx speed avp when equal	Enabled or disabled
Destination lockout timeout	Number of seconds that L2TP destinations remain in the lockout state after they become unavailable
Destination lockout test	Status of the L2TP destination lockout test, enabled or disabled
Failover resync	Global L2TP peer resynchronization configuration
Sub-interfaces	Sub-interface information about L2TP
total	Number of destinations, tunnels, and sessions that the router created
active	Number of operational destinations, tunnels, and sessions
failed	Number of requests that did not reach an operational state
auth-errors	Number of requests that failed because the tunnel password was invalid

Monitoring Global Configuration Status on E-series Routers

Purpose

Action

Meaning

Related Topics