R21xx-HP FlexFabric 11900 Layer 3 IP Routing Configuration Guide
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BGP path attributes ············································································································································· 164
BGP route selection ············································································································································· 168
BGP route advertisement rules ··························································································································· 169
BGP load balancing ············································································································································ 169
Settlements for problems in large-scale BGP networks ···················································································· 170
MP-BGP ································································································································································· 173
BGP configuration views ···································································································································· 174
Protocols and standards ····································································································································· 175
BGP configuration task list ·········································································································································· 176
Configuring basic BGP ················································································································································ 178
Enabling BGP ······················································································································································· 178
Configuring a BGP peer ····································································································································· 179
Configuring a BGP peer group ·························································································································· 180
Specifying the source interface for TCP connections ······················································································· 186
Generating BGP routes ················································································································································ 187
Injecting a local network ···································································································································· 187
Redistributing IGP routes····································································································································· 188
Controlling route distribution and reception ············································································································· 189
Configuring BGP route summarization ············································································································· 190
Advertising optimal routes in the IP routing table ···························································································· 191
Advertising a default route to a peer or peer group ······················································································· 192
Limiting routes received from a peer or peer group ························································································ 192
Configuring BGP route filtering policies ··········································································································· 193
Configuring BGP route dampening ··················································································································· 198
Controlling BGP path selection ··································································································································· 199
Specifying a preferred value for routes received ····························································································· 199
Configuring preferences for BGP routes ··········································································································· 200
Configuring the default local preference ·········································································································· 201
Configuring the MED attribute ··························································································································· 202
Configuring the NEXT_HOP attribute ················································································································ 206
Configuring the AS_PATH attribute ··················································································································· 208
Tuning and optimizing BGP networks ························································································································ 213
Configuring the keepalive interval and hold time ···························································································· 213
Configuring the interval for sending updates for the same route ··································································· 215
Enabling BGP to establish an EBGP session over multiple hops ···································································· 215
Enabling immediate reestablishment of direct EBGP connections upon link failure····································· 216
Enabling 4-byte AS number suppression ·········································································································· 217
Configuring BGP load balancing ······················································································································ 217
Disabling BGP to establish a session to a peer or peer group ······································································ 218
Configuring BGP soft-reset·································································································································· 219
Protecting an EBGP peer when memory usage reaches level 2 threshold…. ·············································· 223
Configuring a large-scale BGP network ···················································································································· 224
Configuring BGP community ······························································································································ 224