debug isis
Use this command to turn on debugging for specified criteria. Debug commands enable to show some debugging information about specified criteria into file or terminal.
Use the no parameter to turn off debugging for specified criteria.
Command syntax
debug isis (all|)
debug isis (authentication|bfd|checksum|events|hello|mpls (interface IFNAME | System-ID|)|ifsm|local-updates|lsp|nfsm|nsm|pdu|protocol-errors|rib|spf)
no debug isis (all|)
no debug all
no debug all isis
undebug all
undebug isis (all|)
undebug all isis
no debug isis (authentication|bfd|checksum|events|hello|mpls (interface IFNAME | System-ID|)|ifsm|local-updates|lsp|nfsm|nsm|pdu|protocol-errors|rib|spf)
undebug isis (authentication|bfd|checksum|events|hello|mpls (interface IFNAME | System-ID|)|ifsm|local-updates|lsp|nfsm|nsm|pdu|protocol-errors|rib|spf)
Parameters
all
Enables all debugging.
authentication
Debugging for authentication.
checksum
Debugging for checksums.
bfd
Debugging for bidirectional forwarding detection.
events
Debugging for internal events.
hello
Debugging for hello processing.
interface
Interface.
IFNAME
Interface name.
System-ID
System identifier.
ifsm
Debugging for interface finite state machine.
local-updates
Debugging for local updates.
lsp
Debugging for link-state packet.
nfsm
Debugging for neighbor finite state machine.
nsm
Debugging for NSM messages.
pdu
Debugging for protocol data unit.
protocol-errors
Debugging for protocol errors.
rib
Debugging for RIB information.
spf
Debugging for shortest path first route calculation.
Command Mode
Privileged Exec mode and Configure mode
Applicability
This command was introduced before OcNOS version 1.3.
Examples
#configure terminal
(config)#debug isis pdu
#configure terminal
(config)#debug isis nsm
Last modified date: 08/28/2023