Brocade Multi-Service IronWare Routing Configuration Guide Instrukcja Użytkownika Pobierz pdf (Strona 339)

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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. Table 50 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...

1 2 ... 334 335 336 337 338 339 340 341 342 343 344 ... 845 846

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