Table 159: show isis overview Output Fields (continued)
Field DescriptionField Name
Maximum number of IS-IS areas advertised by the routing device.Maximum Areas
Lifetime of the link-state PDU, in seconds.LSP life time
LSPs with a lifetime lower than this value are filtered out.Filter low life time LSPs
up to
Attached bit capability: enabled or disabled.Attached bit evaluation
Delay before performing consecutive shortest-path-first (SPF) calculations.SPF delay
Delay before performing additional SPF calculations after the maximum number of consecutive SPF
calculations is reached.
SPF holddown
Maximum number of SPF calculations that can be performed in succession before the holddown timer
begins.
SPF rapid runs
Overload bit capability is enabled.Overload bit at startup
is set
Overload high metrics capability: enabled or disabled.Overload high metrics
Time period after which overload is reset and the time that remains before the timer is set to expire.Overload timeout
Traffic engineering capability: enabled or disabled.Traffic engineering
Graceful restart capability: enabled or disabled.Restart
Time period for complete reacquisition of IS-IS neighbors.Restart duration
Graceful restart helper capability: enabled or disabled.Helper mode
IS-IS level:
• 1—Level 1 information
• 2—Level 2 information
Level
IP Protocol version 4 capability is enabled.IPv4 is enabled
IP Protocol version 6 capability is enabled.IPv6 is enabled
Micro-loop avoidance is enabled. Generally adjacent nodes converge faster than neighboring nodes
causing traffic to loop. A route convergence delay is configured to avoid such micro loops.
Micro-loop avoidance
Preference value of internal routes.Internal route
preference
2699Copyright © 2017, Juniper Networks, Inc.
Chapter 42: Operational Commands
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