Administrator Guide

Item Description
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.
Example
Dell#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
Dell#
spf-interval
Specify the minimum interval between shortest path first (SPF) calculations.
C9000 Series
Syntax
spf-interval [level-l | level-2] interval seconds [initial_wait_interval
seconds [second_wait_interval seconds]]
To restore default values, use the no spf-interval [level-l | level-2] interval
seconds [initial_wait_interval seconds [second_wait_interval seconds]]
command.
Parameters
level-l (OPTIONAL) Enter the keyword level-1 to apply the configuration to Level-1
SPF calculations.
level-2 (OPTIONAL) Enter the keyword level-2 to apply the configuration to Level-2
SPF calculations.
interval seconds Enter the maximum number of seconds between SPF calculations. The range is
from 0 to 120 seconds. The default is 10 seconds.
initial_wait_inter
val seconds
(OPTIONAL) Enter the initial wait time, in seconds, before running the first SPF
calculations. The range is from 0 to 120 seconds. The default is 5 seconds.
second_wait_inte
rval seconds
(OPTIONAL) Enter the wait interval, in seconds, between the first and second SPF
calculations. The range is from 0 to 120 seconds. The default is 5 seconds.
Defaults Refer to Parameters.
Command Modes
● ROUTER ISIS (for IPv4)
866 Intermediate System to Intermediate System (IS-IS)