White Papers

Table Of Contents
BGP global and address family configuration......................................................................................................179
Implement BGP with Dell EMC Networking OS................................................................................................. 180
Configuration Information........................................................................................................................................183
Basic BGP configuration tasks..................................................................................................................................... 184
Prerequisite for configuring a BGP network....................................................................................................... 184
Restrictions................................................................................................................................................................. 184
Enabling BGP.............................................................................................................................................................. 184
Enabling four-byte autonomous system numbers............................................................................................. 186
Changing a BGP router ID........................................................................................................................................187
Configuring AS4 Number Representations..........................................................................................................187
Configuring a BGP peer............................................................................................................................................188
Example-Configuring BGP routing between peers............................................................................................189
BGP peer group..........................................................................................................................................................190
Advanced BGP configuration tasks.............................................................................................................................197
Route-refresh and Soft-reconfiguration.............................................................................................................. 197
Aggregating Routes...................................................................................................................................................199
Filtering BGP...............................................................................................................................................................201
Configuring BGP Fast Fall-Over............................................................................................................................206
Configuring Passive Peering...................................................................................................................................208
Enabling Graceful Restart.......................................................................................................................................208
Redistributing Routes.............................................................................................................................................. 209
Redistributing iBGP Routes into IGP.................................................................................................................... 210
Enabling Additional Paths.........................................................................................................................................212
Configuring IP Community Lists.............................................................................................................................213
Configuring an IP Extended Community List...................................................................................................... 214
Configure BGP attributes........................................................................................................................................ 215
Enabling Multipath..................................................................................................................................................... 218
Route Reflectors........................................................................................................................................................219
Enabling Route Flap Dampening............................................................................................................................220
Changing BGP keepalive and hold timers............................................................................................................222
Setting the extended timer.....................................................................................................................................223
Enabling or disabling BGP neighbors.................................................................................................................... 223
Route Map Continue................................................................................................................................................ 224
Configuring BGP Confederations..........................................................................................................................225
Configuring a BGP VRF address family............................................................................................................... 225
Maintaining Existing AS Numbers During an AS Migration............................................................................. 227
Allowing an AS Number to Appear in its Own AS Path....................................................................................227
Enabling MBGP Configurations............................................................................................................................. 228
MBGP support for IPv6...........................................................................................................................................229
Configuring IPv6 MBGP between peers............................................................................................................. 229
Example-Configuring IPv4 and IPv6 neighbors................................................................................................. 229
Configure IPv6 NH Automatically for IPv6 Prefix Advertised over IPv4 Neighbor...................................232
BGP Regular Expression Optimization................................................................................................................. 233
Debugging BGP......................................................................................................................................................... 233
Chapter 10: Content Addressable Memory (CAM)......................................................................236
CAM Allocation................................................................................................................................................................ 236
Test CAM Usage............................................................................................................................................................. 238
View CAM-ACL Settings...............................................................................................................................................238
View CAM Usage............................................................................................................................................................ 240
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