Reference Guide
908 | Intermediate System to Intermediate System (IS-IS)
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Parameters
Command Modes
EXEC Privilege
Command
History
debug isis snp-packets 
e 
Enable debugging on a specific interface and provides diagnostic information to debug IS-IS complete 
sequence number PDU (CSNP) and partial sequence number PDU (PSNP) packets.
Syntax
debug isis snp-packets [interface] 
To turn off debugging, enter the no debug isis snp-packets [interface] command.
Parameters
Command Modes
EXEC Privilege
Command
History
interface
(OPTIONAL) Identifies the interface type slot/port as one of the following: 
• For a Gigabit Ethernet interface, enter the keyword 
GigabitEthernet followed by 
the slot/port information. 
• For a Port Channel interface, enter the keyword 
port-channel followed by a 
number:
C-Series and S-Series Range: 1-128
E-Series Range: 1 to 32 for EtherScale, 1 to 255 for TeraScale and 1 to 512 for 
ExaScale. 
• For a SONET interface, enter the keyword 
sonet followed by the slot/port 
information. 
• For a 10-Gigabit Ethernet interface, enter the keyword 
TenGigabitEthernet 
followed by the slot/port information. 
• For a VLAN, enter the keyword 
vlan followed by a number from 1 to 4094.
Version 8.3.19.0 Introduced on S4820T
Version 8.3.12.0 Introduced on S4810
Version 6.3.1.0 Introduced
interface
(OPTIONAL) Identifies the interface type slot/port as one of the following: 
• For a 1-Gigabit Ethernet interface, enter the keyword 
GigabitEthernet followed 
by the slot/port information. 
• For a Port Channel interface, enter the keyword 
port-channel followed by a 
number:
C-Series and S-Series Range: 1-128
E-Series Range: 1 to 32 for EtherScale, 1 to 255 for TeraScale and 1 to 512 for 
ExaScale. 
• For a SONET interface, enter the keyword 
sonet followed by the slot/port 
information. 
• For a 10-Gigabit Ethernet interface, enter the keyword 
TenGigabitEthernet 
followed by the slot/port information. 
• For a VLAN, enter the keyword 
vlan followed by a number from 1 to 4094.
Version 8.3.19.0 Introduced on S4820T










