ii
Enabling Quick eBGP Session Reestablishment··········································································1-33
Enabling MD5 Authentication for TCP Connections ·····································································1-34
Configuring BGP Load Balancing··································································································1-34
Forbiding Session Establishment with a Peer or Peer Group·······················································1-35
Configuring a Large Scale BGP Network······························································································1-35
Configuration Prerequisites ···········································································································1-35
Configuring BGP Peer Groups ······································································································1-35
Configuring BGP Community ········································································································1-37
Configuring a BGP Route Reflector ······························································································1-38
Configuring a BGP Confederation·································································································1-38
Configuring BGP GR·····························································································································1-39
Enabling Trap········································································································································1-40
Enabling Logging of Peer State Changes·····························································································1-40
Displaying and Maintaining BGP ··········································································································1-42
Displaying BGP ·····························································································································1-42
Resetting BGP Connections··········································································································1-43
Clearing BGP Information ·············································································································1-43
BGP Configuration Examples ···············································································································1-43
BGP Basic Configuration···············································································································1-43
BGP and IGP Synchronization Configuration ···············································································1-47
BGP Load Balancing Configuration·······························································································1-49
BGP Community Configuration ·····································································································1-51
BGP Route Reflector Configuration ······························································································1-53
BGP Confederation Configuration·································································································1-55
BGP Path Selection Configuration ································································································1-58
Troubleshooting BGP····························································································································1-62
No BGP Peer Relationship Established ························································································1-62
