Brocade FastIron Ethernet Switch Layer 3 Routing Configuration Guide User Manual

Page 7

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OSPFv2 feature support............................................................................... 243
OSPF overview............................................................................................. 244
OSPF point-to-point links.............................................................................. 246
Designated routers in multi-access networks................................................247
Designated router election in multi-access networks.................................... 247
OSPF RFC 1583 and 2328 compliance........................................................249
Reduction of equivalent AS external LSAs................................................... 249

Algorithm for AS external LSA reduction...........................................250

Support for OSPF RFC 2328 Appendix E.....................................................251
OSPF graceful restart................................................................................... 252

OSPF stub router advertisement.......................................................252
OSPF Shortest Path First throttling...................................................253
IETF RFC and internet draft support.................................................254
Dynamic OSPF activation and configuration.....................................254

Configuring OSPF......................................................................................... 254

Configuration rules............................................................................ 254
OSPF parameters............................................................................. 255
Enable OSPF on the device..............................................................256
Assign OSPF areas...........................................................................256
Assign a totally stubby area.............................................................. 257
Assigning an area range (optional) .................................................. 260
Assigning an area cost (optional parameter) ................................... 260
Assigning interfaces to an area.........................................................261
Setting all OSPFv2 interfaces to the passive state........................... 262
Modify interface defaults................................................................... 262
Change the timer for OSPF authentication changes.........................264
Block flooding of outbound LSAs on specific OSPF interfaces.........265
Assign virtual links.............................................................................266
Modify virtual link parameters........................................................... 268
Changing the reference bandwidth for the cost on OSPF

interfaces..................................................................................... 269

Define redistribution filters.................................................................271
Modify default metric for redistribution.............................................. 273
Enable route redistribution................................................................ 273
Disable or re-enable load sharing..................................................... 275
Configure external route summarization........................................... 276
Configure default route origination.................................................... 277
Supported match and set conditions.................................................279

OSPF non-stop routing................................................................................. 279
Synchronization of critical OSPF elements................................................... 280

Link state database synchronization................................................. 280
Neighbor router synchronization....................................................... 280
Interface synchronization.................................................................. 281

Standby module operations.......................................................................... 281

Neighbor database............................................................................281
LSA database....................................................................................281

Enabling and disabling NSR......................................................................... 282

Limitations of NSR............................................................................ 282

Disabling configuration..................................................................................282
OSPF distribute list....................................................................................... 283

Configuring an OSPF distribution list using ACLs ............................284
Configuring an OSPF distribution list using route maps ...................285
Modify SPF timers.............................................................................286
Modify redistribution metric type....................................................... 286
Modify administrative distance.......................................................... 287
Configure OSPF group Link State Advertisement (LSA) pacing.......288
Modify OSPF traps generated...........................................................288
Modify exit overflow interval.............................................................. 289

FastIron Ethernet Switch Layer 3 Routing Configuration Guide

7

53-1003087-04

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