Brocade Virtual ADX Switch and Router Guide (Supporting ADX v03.1.00) User Manual

Page 8

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viii

Brocade Virtual ADX Switch and Router Guide

53-1003246-01

Redistributing IBGP routes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .213

Enabling or disabling comparison of device IDs . . . . . . . . . . . . . . .213

Four-byte Autonomous System Numbers (AS4) . . . . . . . . . . . . . . .214

Enabling AS4 numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .214

Specifying a maximum AS path length . . . . . . . . . . . . . . . . . . . . . .218

Setting a global maximum AS path limit . . . . . . . . . . . . . . . . .219
Setting a maximum AS path limit for a neighbor . . . . . . . . . . .219

BGP4 max-as error messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . .219

Configuring route flap dampening . . . . . . . . . . . . . . . . . . . . . . . . . .220

Originating the default route . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .221

Changing the default local preference . . . . . . . . . . . . . . . . . . . . . .221

Changing the default metric used for redistribution. . . . . . . . . . . .222

Changing the default metric used for route cost . . . . . . . . . . . . . .222

Changing administrative distances . . . . . . . . . . . . . . . . . . . . . . . . .222

Requiring the first AS to be the neighbor AS. . . . . . . . . . . . . . . . . .223

Enabling fast external fallover. . . . . . . . . . . . . . . . . . . . . . . . . .224

Setting the local AS number. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .225

Configuring BGP4 multipath load sharing . . . . . . . . . . . . . . . . . . . .225

Customizing BGP4 multipath load sharing . . . . . . . . . . . . . . .225
Enhancements to BGP4 load sharing . . . . . . . . . . . . . . . . . . .226
Configuring a static BGP4 network. . . . . . . . . . . . . . . . . . . . . .227

Configuring paths without MEDs as the least favorable . . . . . . . .228

Configuring BGP4 neighbors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .228

Auto shutdown of BGP4 neighbors on initial
configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
232
Removing route dampening from suppressed routes . . . . . . .233
Administratively shutting down a session
with a BGP4 neighbor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
234
Encrypting BGP4 MD5 authentication keys . . . . . . . . . . . . . . .235

Specifying a list of networks to advertise . . . . . . . . . . . . . . . . . . . .237

Using the IP default route as a valid next-hop
for a BGP4 route . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
238

Enabling next-hop recursion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .238

Modifying redistribution parameters . . . . . . . . . . . . . . . . . . . . . . . . 241

Using a table map to set the tag value . . . . . . . . . . . . . . . . . . . . . .243

Changing the Keep Alive Time and Hold Time . . . . . . . . . . . . . . . .243

Changing the BGP4 next-hop update timer. . . . . . . . . . . . . . . . . . .244

Changing the device ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .244

Adding a loopback interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .245

Changing the maximum number of paths for
BGP4 load sharing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
245

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