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Find and Configure the Log File

By default, the syslog local-file is ram. The log file name is "message" which is in the directory "/tmp/log"

admin@XorPlus$cd /tmp/log
admin@XorPlus$ls
lastlog lighttpd messages wtmp

You can use "tail -f /tmp/log/message" to tail the log message.


You can change the syslog local-file to disk.The log file name is "message" which is in the directory of "/var/log"

admin@XorPlus# set system syslog local-file disk 
admin@XorPlus# commit 
Commit OK.
Save done.
admin@XorPlus#
admin@XorPlus$cd /var/log/
admin@XorPlus$ls
apt dmesg fsck last_death lastlog messages news ntpstats wtmp
admin@XorPlus$

You can use "tail -f /var/log/message" to tail the log message.

 

Enable Important Debugs

Enable debug interface:

##Global Interface traceoptions.
admin@XorPlus# set interface traceoptions flag ?
Possible completions:
<[Enter]> Execute this command
all Configure all tracing
config Configure configuration tracing
ethernet-switching-options Configure ethernet-switching-options tracing
mlag-trace Configure mlag event tracing
neighbor-event Configure neighbor event tracing
packets Configure received or sent packets event tracing
port-security Configure port security tracing
raw-packet Configure receive raw packet tracing
route-event Configure route event tracing
static-ethernet-switching Configure static-ethernet-switching tracing
admin@XorPlus# set interface traceoptions flag config ?
Possible completions:
<[Enter]> Execute this command
disable Disable tracing
admin@XorPlus# set interface traceoptions flag config disable false
admin@XorPlus# commit 
Commit OK.
Save done.
admin@XorPlus# 
admin@XorPlus# set interface traceoptions line-card ?
Possible completions:
<[Enter]> Execute this command
statistics Configure line card statistic module trace
trace-level Configure line card trace level
trace-type Configure line card trace type
admin@XorPlus# set interface traceoptions line-card trace-level all disable false
admin@XorPlus# commit 
Commit OK.



##Per physical interface traceoptions.
admin@Xorplus# set interface gigabit-ethernet ge-1/1/1 traceoptions flag 
Possible completions:
  <[Enter]>                       Execute this command
  all                             Configure received and sent packets event tracing
  message-in                      Configure received packets event tracing
  message-out                     Configure sent packets event tracing
admin@Xorplus# set interface gigabit-ethernet ge-1/1/1 traceoptions flag message-in disable false
admin@XorPlus# commit 
Commit OK.


##Per aggregate interface traceoptions of mlag.
admin@Xorplus# set interface aggregate-ethernet ae1 traceoptions mlag flag 
Possible completions:
  <[Enter]>                       Execute this command
  all                             Configure all the mlag tracing
  event                           Configure mlag event tracing
  hello                           Configure mlag hello tracing
  igmp                            Configure mlag igmp tracing
  mac-sync                        Configure mlag mac-sync tracing
  packet                          Configure mlag packet tracing
  state-change                    Configure mlag state change tracing
  stp                             Configure mlag stp tracing
  timer                           Configure mlag timer tracing
admin@Xorplus# set interface aggregate-ethernet ae1 traceoptions mlag flag hello disable false
admin@XorPlus# commit 
Commit OK.

 

Enable debug of protocals:

admin@Xorplus# set protocols 
Possible completions:
  <[Enter]>                       Execute this command
  arp                             Configure ARP
  bfd                             Configure BFD
  bgp                             Configure BGP inter-domain routing
  dhcp                            Dynamic Host Configuration Protocol
  dot1x                           802.1x protocol
  igmp                            Configure the IGMP protocol
  igmp-snooping                   Configure the igmp snooping
  lacp                            Link Aggregation Control Protocol
  lldp                            Link Layer Discovery Protocol 802.1AB
  mpls                            Configure MPLS
  neighbour                       Configure Neighbour Discovery Protocol
  netconf                         Configure NETCONF
  ospf4                           Configure the OSPF protocol
  ospf6                           Configure the OSPFv3 protocol
  pimsm4                          Configure the IPv4 PIM-SM protocol
  rip                             RIP configuration
  sflow                           Configure sflow
  snmp                            Simple network management protocol configuration
  spanning-tree                   Configure Spanning Tree
  static                          Configure static routes
  udld                            Unidirectional Link Detection Protocol
  vrrp                            Configure VRRP
admin@Xorplus# set protocols bfd traceoptions flag 
Possible completions:
  <[Enter]>                       Execute this command
  all                             Configure all tracing
  config                          Configure configuration tracing
  event                           Configure BFD session event tracing
  fsm                             Configure FSM state tracing
  packet                          Configure all packet tracing operations
  raw-packet                      Dump raw packets BFD read from or send to sockets
  timer                           Configure timer tracing
admin@Xorplus# set protocols bfd traceoptions flag timer disable false
admin@XorPlus# commit 
Commit OK.


Enable debug of LLDP:

## LLDP global traceoptions.
admin@Xorplus# set protocols lldp traceoptions flag 
Possible completions:
  <[Enter]>                       Execute this command
  all                             Configure all events and packets tracing
  configuration                   Configure configuration tracing
  message-in                      Configure received message tracing
  message-out                     Configure send message tracing
  state-change                    Configure LLDP state change tracing
admin@Xorplus# set protocols lldp traceoptions flag message-in disable false
admin@XorPlus# commit 
Commit OK.


##LLDP per interface traceoptions.
admin@Xorplus# set protocols lldp traceoptions interface ge-1/1/1 flag 
Possible completions:
  <[Enter]>                       Execute this command
  all                             Configure all events and packets tracing
  configuration                   Configure configuration tracing
  message-in                      Configure received message tracing
  message-out                     Configure send message tracing
  state-change                    Configure LLDP state change tracing

admin@Xorplus# set protocols lldp traceoptions interface ge-1/1/1 flag configuration disable false
admin@XorPlus# commit 
Commit OK.


Enable debug of LACP:

## LACP global traceoptions.
admin@Xorplus# set protocols lacp traceoptions flag 
Possible completions:
  <[Enter]>                       Execute this command
  all                             Configure all events and packets tracing
  configuration                   Configure configuration tracing
  message-in                      Configure received message tracing
  message-out                     Configure send message tracing
  state-change                    Configure LACP state change tracing
admin@Xorplus# set protocols lacp traceoptions flag message-in disable false
admin@XorPlus# commit 
Commit OK.



##LACP per interface traceoptions.
admin@Xorplus# set protocols lacp traceoptions interface ge-1/1/1 flag 
Possible completions:
  <[Enter]>                       Execute this command
  all                             Configure all events and packets tracing
  configuration                   Configure configuration tracing
  message-in                      Configure received message tracing
  message-out                     Configure send message tracing
  state-change                    Configure LACP state change tracing
admin@Xorplus# set protocols lacp traceoptions interface ge-1/1/1 flag configuration disable false
admin@XorPlus# commit 
Commit OK.


Enable debug of UDLD:

## UDLD global traceoptions.
admin@Xorplus# set protocols udld traceoptions 
Possible completions:
  <[Enter]>                       Execute this command
  all                             Configure all events and packets tracing
  configuration                   Configure configuration tracing
  event                           Configure event tracing
  interface                       Interface name for tracing, such as ge-1/1/n or te-1/1/n
  packet                          Configure the sending/receiving packets tracing
  raw-packet                      Configure UDLD raw packet tracing
  state-change                    Configure state change tracing
  timer                           Configure UDLD timer tracing
admin@Xorplus# set protocols udld traceoptions event disable false
admin@XorPlus# commit 
Commit OK.



##UDLD per interface traceoptions.
admin@Xorplus# set protocols udld traceoptions interface ge-1/1/1 flag 
Possible completions:
  <[Enter]>                       Execute this command
  all                             Configure all events and packets tracing
  configuration                   Configure configuration tracing
  event                           Configure event tracing
  packet                          Configure the sending/receiving packet tracing
  raw-packet                      Configure udld raw packet tracing
  state-change                    Configure state change tracing
  timer                           Configure udld timer tracing
admin@Xorplus# set protocols udld traceoptions interface ge-1/1/1 flag configuration disable false
admin@XorPlus# commit 
Commit OK.


Enable debug of BGP:

admin@XorPlus# set protocols bgp traceoptions flag ?
Possible completions:
<[Enter]> Execute this command
FSM Configure FSM state tracing
all Configure all tracing operations
configuration Configure configuration tracing
damp Configure damp tracing
event Configure FSM Event tracing
keepalive Configure keepalive packet tracing
nexthop-resolution Configure nexthop resolution with RIB tracing
notification Configure notification packet tracing
notify-snmp Configure notify snmp tracing
open Configure open packet tracing
packet Configure all packet tracing operations
policy Configure policy configuration tracing
raw-packet Dump raw packets BGP read from or send to sockets
route-refresh Configure route refresh packet tracing
timer Configure timers tracing
update Configure update packet tracing
admin@XorPlus# set protocols bgp traceoptions flag all disable false
admin@XorPlus# commit 
Commit OK.
Save done.
admin@XorPlus#

 

Enable debug of ospf4:

admin@XorPlus# set protocols ospf4 traceoptions flag ?
Possible completions:
<[Enter]> Execute this command
adjacency-event Configure tracing of adjacency events
all Configure all tracing operations
config Configure tracing of configuration
database-description Configure tracing of database description packets
event Configure tracing of OSPF state machine events
flooding Configure tracing of lsa flooding
hello Configure tracing of hello packets
lsa-ack Configure tracing of LSA acknowledgment packets
lsa-generation Configure tracing of lsa-generation events
lsa-request Configure tracing of LSA request packets
lsa-update Configure tracing of LSA update packets
packets Configure tracing of all OSPF packets
retransmission Configure tracing of lsa-packets retransmission
route Configure tracing of routing information
spt Configure tracing of spt calculations
timer Configure tracing of routing protocol timer processing
admin@XorPlus# set protocols ospf4 traceoptions flag all disable false
admin@XorPlus# commit

 

Enable debug of stp:

admin@XorPlus# set protocols spanning-tree traceoptions interface ge-1/1/1 ?
Possible completions:
<[Enter]> Execute this command
all Configure all tracing operations
bridge-detection-machine Configure bridge detection state machine tracing
configuration Configure configuration tracing
events Configure events tracing
message-in Configure receive message tracing
message-out Configure send message tracing
port-information-machine Configure port information state machine tracing
port-migration-machine Configure port migration state machine tracing
port-receive-machine Configure port receive state machine tracing
port-role-selection-machine Configure port role selection state machine tracing
port-role-transition-machine Configure port role transition state machine tracing
port-state-transition-machine Configure port state transition state machine tracing
port-transmit-machine Configure port transmit state machine tracing
state-machine-variables Configure state machine variables tracing
timers Configure timers tracing
topology-change-machine Configure topology change state machine tracing

admin@XorPlus# set protocols spanning-tree traceoptions interface ge-1/1/1 all disable false
admin@XorPlus# commit 
Commit OK.
Save done.
admin@XorPlus#

 

Enable debug of igmp:

admin@XorPlus# set protocols igmp traceoptions flag ?
Possible completions:
<[Enter]> Execute this command
all Configure all tracing operations
event Configure event tracing
leave Configure leave tracing
query Configure query tracing
report Configure report tracing
admin@XorPlus# set protocols igmp traceoptions flag all disable false
admin@XorPlus# commit 
Commit OK.
Save done.
admin@XorPlus#

Find the Core Dump File

When the device crashes, it will create a core file which can be found in a directory called pica/core.

admin@XorPlus$pwd
/pica/core


Find the last_death file for Troubleshooting


You can view the last_death file after the device crashes. It will record the last log message.

admin@XorPlus$pwd
/var/log
admin@XorPlus$ls
apt dmesg fsck last_death lastlog messages news ntpstats wtmp
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