Cisco Nexus 7000 Series - Tuning IS-IS

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Cisco Nexus 7000 Series NX-OS Unicast Routing Configuration Guide, Release 4.x
OL-20002-02
Chapter 9 Configuring IS-IS
Configuring IS-IS
The following example shows how to create a VRF and add an interface to the VRF:
switch# config t
switch(config)# vrf context NewVRF
switch(config-vrf)# exit
switch(config)# router isis Enterprise
switch(config-router)# vrf NewVRF
switch(config-router-vrf)# net 47.0004.004d.0001.0001.0c11.1111.00
switch(config-router-vrf)# interface ethernet 1/2
switch(config-if)# vrf membmer NewVRF
switch(config-if)# ip address 192.0.2.1/16
switch(config-if)# ip router isis Enterprise
switch(config-if)# copy running-config startup-config
Tuning IS-IS
You can tune IS-IS to match your network requirements.
You can use the following optional commands in router configuration mode to tune IS-IS:
Command Purpose
lsp-gen-interval [level-1 | level-2]
lsp-max-wait [ lsp-initial-wait
lsp-second-wait ]
Example:
switch(config-router)# lsp-gen-interval
level-1 500 500 500
Configures the IS-IS throttle for LSP generation.
The optional parameters are as follows:
• lsp-max-wait—The maximum wait between
the trigger and LSP generation. The range is
from 500 to 65535 milliseconds.
• lsp-initial-wait—The initial wait between the
trigger and LSP generation. The range is from
50 to 65535 milliseconds.
• lsp-second-wait—The second wait used for
LSP throttle during backoff. The range is from
50 to 65535 milliseconds.
max-lsp-lifetime lifetime
Example:
switch(config-router)# max-lsp-lifetime
500
Sets the maximum LSP lifetime in seconds. The
range is from 1 to 65535. The default is 1200.
metric-style transition
Example:
switch(config-router)# metric-style
transition
Enables IS-IS to generate and accept both narrow
metric-style Type Length Value (TLV) objects and
wide metric-style TLV objects. The default is
disabled.