# Monitoring Statistics on the Cause of a Session Disconnection

#### Purpose

Display statistics for all information the LAC receives from an LNS about the cause of an L2TP session disconnection.

#### Action

To display statistics for all information the LAC receives from an LNS about the cause of an L2TP session disconnection.

    host1# show l2tp received-disconnect-cause-summary
    Disconnect Cause (Code)                       Global     Peer       Local
    --------------------------------------------- ---------- ---------- ----------
    no info (0)                                   0          0          0
    admin disconnect (1)                          0          0          0
    renegotiation disabled (2)                    0          0          0
    normal disconnect (3)                         0          0          0
    compulsory encryption refused (4)             0          0          0
    lcp failed to converge (5)                    0          0          0
    lcp peer silent (6)                           0          0          0
    lcp magic number error (7)                    0          0          0
    lcp keepalive failure (8)                     0          0          0
    lcp mlppp endpoint discriminator mismatch (9) 0          0          0
    lcp mlppp peer mrru not valid (10)            0          0          0
    lcp mlppp peer ssn invalid (11)               0          0          0
    lcp callback refused (12)                     0          0          0
    authenticate timed out (13)                   0          0          0
    authenticate mlppp name mismatch (14)         0          0          0
    authenticate protocol refused (15)            0          0          0
    authenticate failure (16)                     0          0          0
    ncp no negotiation completed (17)             0          0          0
    ncp no ncps available (18)                    0          0          0
    ncp addresses failed to converge (19)         0          0          0
    ncp negotiation inhibited (20)                0          0          0

#### Meaning

Table 88 lists the show l2tp received-disconnect-cause-summary command details.

Table 88: show l2tp received-disconnect-cause-summary Output Fields

Field Name | Field Description
--- | ---
show l2tp received-disconnect-cause-summary | Display statistics for all information the LAC receives from an LNS about the cause of an L2TP session disconnection.

#### Related Documentation

- show l2tp received-disconnect-cause-summary