Any unexpected config change should be an automatic tac case. Totally unexpected. Reminds me of the days when swapping a flash card on a gsr could crash it. This is a new one .
On Monday, August 26, 2019, Gert Doering <g...@greenie.muc.de> wrote: > Hi, > > does anyone know what "EEM:Mandatory.dualrate_eem.tcl" is? > > We have an ASR920 that grew an unexpected config change upon insertion > of a DAC cable into port ten0/0/12, and "unexpected config change" always > triggers an investigation here (who, why, what). One part of it was > somewhat related > > interface TenGigabitEthernet0/0/12 > description ... > no ip address > + negotiation auto > service instance 200 ethernet > > ... but the other part was more interesting > > line vty 0 4 > access-class 9 in > - exec-timeout 240 0 > ipv6 access-class VTY-v6 in > - transport input telnet ssh > + transport preferred none > + transport input none > + transport output none > escape-character 3 > > "uh, what?". So we investigated and found a few log messages about that > script... > > Aug 20 13:45:30 CEST: %TRANSCEIVER-6-INSERTED: F0: iomd: transceiver > module inserted in TenGigabitEthernet0/0/12 > <SNIP> > Aug 20 13:45:45 CEST: %IOSXE_SPA-6-DUAL_RATE_CHANGE: > TenGigabitEthernet0/0/12: MODE_1G > Aug 20 13:45:47 CEST: %SYS-5-CONFIG_I: Configured from console by on vty1 > (EEM:Mandatory.dualrate_eem.tcl) > Aug 20 13:46:14 CEST: %SYS-5-CONFIG_I: Configured from console by on vty1 > (EEM:Mandatory.dualrate_eem.tcl) > Aug 20 13:46:15 CEST: %SYS-5-CONFIG_I: Configured from console by on vty0 > (EEM:Mandatory.dualrate_eem.tcl) > Aug 20 13:46:17 CEST: %TRANSCEIVER-6-REMOVED: F0: iomd: Transceiver > module removed from TenGigabitEthernet0/0/12 > Aug 20 13:46:20 CEST: %IOSXE-5-PLATFORM: F0: Aug 20 13:46:20 > %SYSTEM-3-SYSTEM_SHELL_LOG: Shell started: vty 1 > Aug 20 13:46:20 CEST: %IOSXE-5-PLATFORM: F0: Aug 20 13:46:20 > %SYSTEM-3-SYSTEM_SHELL_LOG: 2019/08/20 13:46:19 : Shell access was granted > to user <anon>; Trace file: , /harddisk/tracelogs/system_ > shell_R0-0.2264_0.20190820134619.bin > ug 20 13:46:26 CEST: %HA_EM-6-LOG: Mandatory.dualrate_eem.tcl: > DUAL_RATE_CHANGE Re-configuration of interface TenGigabitEthernet0/0/12 to > start re-configuring > Aug 20 13:46:28 CEST: %SYS-5-CONFIG_I: Configured from console by on vty1 > (EEM:Mandatory.dualrate_eem.tcl) > Aug 20 13:46:39 CEST: %SYS-5-CONFIG_C: Running-config file is Modified > > > ... and 441 (!!) lines in the tacacs command accounting log, which > mostly looked like "it replayed the whole config, line by line"... > until it hit the vty section, which then got messed up... > > Aug 20 13:47:08 router unknown tty3 EEM:Mandatory.dualrate_eem.tcl > stop task_id=2166 timezone=CEST service=shell > start_time=1566301628 priv-lvl=15 cmd=configure terminal <cr> > Aug 20 13:47:09 router unknown tty3 EEM:Mandatory.dualrate_eem.tcl > stop task_id=2167 timezone=CEST service=shell > start_time=1566301629 priv-lvl=15 cmd=line vty 0 4 <cr> > Aug 20 13:47:09 router unknown tty3 EEM:Mandatory.dualrate_eem.tcl > stop task_id=2168 timezone=CEST service=shell > start_time=1566301629 priv-lvl=15 cmd=no login authentication <cr> > Aug 20 13:47:09 router unknown tty3 EEM:Mandatory.dualrate_eem.tcl > stop task_id=2169 timezone=CEST service=shell > start_time=1566301629 priv-lvl=15 cmd=no authorization exec <cr> > Aug 20 13:47:09 router unknown tty3 EEM:Mandatory.dualrate_eem.tcl > stop task_id=2170 timezone=CEST service=shell > start_time=1566301629 priv-lvl=15 cmd=no authorization commands 15 > <cr> > Aug 20 13:47:10 router unknown tty3 EEM:Mandatory.dualrate_eem.tcl > stop task_id=2171 timezone=CEST service=shell > start_time=1566301630 priv-lvl=15 cmd=no transport preferred <cr> > ... > Aug 20 13:47:10 router unknown tty3 EEM:Mandatory.dualrate_eem.tcl > stop task_id=2174 timezone=CEST service=shell > start_time=1566301630 priv-lvl=15 cmd=no exec-timeout <cr> > Aug 20 13:47:11 router unknown tty3 EEM:Mandatory.dualrate_eem.tcl > stop task_id=2175 timezone=CEST service=shell > start_time=1566301631 priv-lvl=1 cmd=no length <cr> > Aug 20 13:47:11 router unknown tty2 EEM:Mandatory.dualrate_eem.tcl > stop task_id=2177 timezone=CEST service=shell > start_time=1566301631 priv-lvl=15 cmd=write memory <cr> > > > shall I state that I find this a somewhat surprising behaviour? > > Haven't opened a TAC case yet (no time) but hopefully someone here > has see this before and found some more useful results. > > gert > -- > "If was one thing all people took for granted, was conviction that if you > feed honest figures into a computer, honest figures come out. Never > doubted > it myself till I met a computer with a sense of humor." > Robert A. Heinlein, The Moon is a Harsh > Mistress > > Gert Doering - Munich, Germany > g...@greenie.muc.de > _______________________________________________ cisco-nsp mailing list cisco-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/