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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 92 lists the show l2tp command output fields.
Table 92: 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 |
