Dell Command Line Reference Guide for the S4048–ON System


show isis traffic

This command allows you to display IS-IS traffic interface information.

show isis [vrf vrf-name] traffic [interface]
vrf vrf-name
(OPTIONAL) Enter the keyword vrf followed by the name of the VRF to display IS-IS traffic interface information corresponding to that VRF.
(OPTIONAL) Identifies the interface type and the interface following:
  • For a 10-Gigabit Ethernet interface, enter the keyword TenGigabitEthernet then the slot/port[/subport] information.
  • For a 40-Gigabit Ethernet interface, enter the keyword fortyGigE then the slot/port information.
  • For a port channel interface, enter the keywords port-channel then a number.
  • For a VLAN interface, enter the keyword vlan then a number from 1 to 4094.
Command Modes
  • EXEC
  • EXEC Privilege
Command History

This guide is platform-specific. For command information about other platforms, see the relevant Dell EMC Networking OS Command Line Reference Guide.

Introduced on the S6010-ON and S4048T-ON.
Introduced on the S3148.
Introduced on the S6100–ON.
Introduced on the S3100 series.
Introduced on the Z9100–ON.
Introduced on the S4048-ON.
Introduced on the S3048-ON.
Added support for VRF. Introduced on the S6000-ON.
Introduced on the Z9500.
Introduced on the Z9000.
Introduced on the S6000.
Introduced on the S4820T.
Introduced on the S4810.
Usage Information
The following describes the show isis traffic command shown in the following example.
Level-1/Level-2 Hellos (sent/rcvd)
Displays the number of Hello packets sent and received.
PTP Hellos (sent/rcvd)
Displays the number of point-to-point Hellos sent and received.
Level-1/Level-2 LSPs sourced (new/refresh)
Displays the number of new and refreshed LSPs.
Level-1/Level-2 LSPs flooded (sent/rcvd)
Displays the number of flooded LSPs sent and received.
Level-1/Level-2 LSPs CSNPs (sent/ rcvd)
Displays the number of CSNP LSPs sent and received.
Level-1/Level-2 LSPs PSNPs (sent/ rcvd)
Displays the number of PSNP LPSs sent and received.
Level-1/Level-2 DR Elections
Displays the number of times designated router elections ran.
Level-1/Level-2 SPF Calculations
Displays the number of shortest path first calculations.
LSP checksum errors received
Displays the number of checksum errors LSPs received.
LSP authentication failures
Displays the number of LSP authentication failures.
DellEMC# show is traffic
  IS-IS: Level-1 Hellos (sent/rcvd) : 0/721
  IS-IS: Level-2 Hellos (sent/rcvd) : 900/943
  IS-IS: PTP Hellos (sent/rcvd) : 0/0
  IS-IS: Level-1 LSPs sourced (new/refresh) : 0/0
  IS-IS: Level-2 LSPs sourced (new/refresh) : 1/3
  IS-IS: Level-1 LSPs flooded (sent/rcvd) : 0/0
  IS-IS: Level-2 LSPs flooded (sent/rcvd) : 5934/5217
  IS-IS: Level-1 LSPs CSNPs (sent/rcvd) : 0/0
  IS-IS: Level-2 LSPs CSNPs (sent/rcvd) : 472/238
  IS-IS: Level-1 LSPs PSNPs (sent/rcvd) : 0/0
  IS-IS: Level-2 LSPs PSNPs (sent/rcvd) : 10/337
  IS-IS: Level-1 DR Elections : 4
  IS-IS: Level-2 DR Elections : 4
  IS-IS: Level-1 SPF Calculations : 0
  IS-IS: Level-2 SPF Calculations : 389
  IS-IS: LSP checksum errors received : 0
  IS-IS: LSP authentication failures : 0

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