Brocade Multi-Service IronWare Routing Configuration Guide (Supporting R05.6.00) User Manual
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Multi-Service IronWare Routing Configuration Guide
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Displaying IPv4 IS-IS information
For a description of the trigger types, refer to the following table.
Last Trigger LSP
When a full SPF calculation is triggered by the arrival of a new LSP, the
router stores the LSP ID. The LSP ID can provide a clue about the source
of routing instability in an area. If multiple LSPs in a single level are
causing SPF runs, only the LSP ID of the last received LSP is recorded.
Triggers
The reason that a full SPF calculations was triggered.
describes
each of the triggers that can be displayed in this field.
TABLE 50
Trigger types and description
Trigger
Description
Alternate Route Check
PSPF deleted an IPv4 or IPv6 route. Full SPF must run to find the
alternate route.
Route Change in L1 SPF Run
The L1 SPF run added or deleted an IPv4 or IPv6 route. The L2 SPF must
run to accommodate this change.
LSP Purged
An LSP was purged. A full SPF calculation must process this change.
LSP Added
A new LSP has appeared in the database. A full SPF calculation is
needed to process this new LSP.
Summary Address Change
A summary address configuration change has occurred.
Adjacency State Change
An adjacency was added or deleted.
Admin Distance Change
The administrative distance configuration has changed.
LSP Header Change
The LSP header (attached or overload bits) is changed.
IS Neighbor TLV Change
An IS neighbor TLV was added or deleted in an LSP.
Area Address TLV Change
The area address TLV changed.
Interface IP Address Change
The IP address configuration changed.
IP Address TLV Change
An IP address TLV changed in the LSP.
IPv6 Address TLV Change
An IPv6 address TLV changed in the LSP.
IS-IS Level Change
The IS-IS level configuration changed.
Interface Metric Change
The IS-IS interface metric configuration changed.
LSP Changed - PSPF Disabled
The LSP changed and PSPF is disabled.
LSP Overload Bit Change
The overload bit in the LSP header changed.
Interface State Change
The interface state changed to up or down.
Redist Prefix-List Change
The redistribution list configuration changed.
Redist Policy Change
The redistribution policy configuration changed.
Maximum Path Change
The IS-IS maximum path configuration changed.
IP Load Sharing Change
The IP load sharing configuration changed.
User Cleared IS-IS Route
The user cleared a specific IS-IS route.
User Cleared IS-IS Routes
The user cleared all IS-IS routes.
Neighbor NLPID Change
NLPID set is changed in received hellos.
ISIS Enable
IS-IS was enabled.
TABLE 49
IS-IS SPF log information (Continued)
This field...
Displays...