Reference Guide

table. If you set the overload bit in its LSPs, other routers ignore the unreliable router in their
SPF calculations until the router has recovered.
show config
Display the changes you made to the IS-IS configuration. Default values are not shown.
Z9000
Syntax
show config
Command Modes
• ROUTER ISIS ( for IPv4 )
• CONFIGURATION-ROUTER-ISIS-ADDRESS-FAMILY-IPV6 ( for IPv6 )
Command History
This guide is platform-specific. For command information about other platforms, refer to the
relevant FTOS Command Line Reference Guide .
The following is a list of the FTOS version history for this command.
Version 8.3.19.0 Introduced on the S4820T.
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.7.1 Introduced on the S4810.
Example (Router-
Isis)
The bold section identifies that Multi-Topology IS-IS is enabled in Transition mode.
FTOS(conf-router_isis)#show config
!
router isis
clns host ISIS 49.0000.0001.F100.E120.0013.00
log-adjacency-changes
net 49.0000.0001.F100.E120.0013.00
!
address-family ipv6 unicast
maximum-paths 16
multi-topology transition
set-overload-bit
spf-interval level-1 100 15 20
spf-interval level-2 120 20 25
exit-address-family
Example
(Address-
Family_IPv6)
The bold section identifies that Multi-Topology IS-IS is enabled in Transition mode.
FTOS(conf-router_isis-af_ipv6)#show conf
!
address-family ipv6 unicast
maximum-paths 16
multi-topology transition
set-overload-bit
spf-interval level-1 100 15 20
spf-interval level-2 120 20 25
exit-address-family
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