Multicast and Routing Guide K/KA/KB.15.15

Enabling event logging.....................................................................................................295
Describing a neighbor......................................................................................................295
Enabling nonstop forwarding for BGP.................................................................................296
Neighbor configuration and neighbor policy configuration........................................................296
Adding an entry to the BGP neighbor table in router configuration mode................................298
Exporting graceful restart capabilities to peering session.......................................................298
Enabling or disabling dynamic capabilities.........................................................................298
Specifying the IP address for local end of TCP connection with peer.......................................298
Specifying the number of times the autonomous system can appear in an AS path...................299
Replacing occurrences of peer's AS with one from an export.................................................299
Allowing BGP to keep routes without AS number..................................................................299
Identifying the AS that BGP is representing to a peer............................................................299
Specifying maximum number of routes for installation into the RIB...........................................299
Specifying the amount of time route is present in database before exported to BGP..................299
Comparing preferences for route selection...........................................................................300
Sending a community's attribute to a BGP neighbor.............................................................300
Processing sent and received MEDs....................................................................................300
Setting the timer for a BGP peer........................................................................................300
Resetting BGP peering sessions..........................................................................................300
Enabling or disabling multi-hop peering..............................................................................300
Using the router's outbound interface address as next hop....................................................301
Specifying no peering connection to peer...........................................................................301
Removing the private AS number from updates to EBGP peer.................................................301
Acting as a route-reflector for the peer................................................................................301
Shutting down the BGP peering session without removing peer configuration...........................301
Enabling or disabling advertisement of route-refresh capability in open message......................301
Synchronizing BGP-IGP..........................................................................................................302
Specifying routes to export into BGP...................................................................................302
Specifying route map to be exported in or out of BGP..........................................................302
BGP path attributes...............................................................................................................302
Classification of path attributes..........................................................................................302
Using BGP path attributes.................................................................................................303
BGP route selection...............................................................................................................306
Route selection rules.........................................................................................................306
Recursive route in iBGP.....................................................................................................307
Route selection with BGP load sharing................................................................................307
BGP route advertisement rules............................................................................................308
Protocols and standards........................................................................................................308
BGP extensions....................................................................................................................309
Route reflection................................................................................................................309
BGP graceful restart (GR)..................................................................................................309
Route refresh...................................................................................................................310
BGP basic configuration .......................................................................................................310
Configuring a BGP connection...........................................................................................310
Prerequisites...............................................................................................................310
Creating a BGP connection..........................................................................................310
Specifying the source interface for TCP connections.........................................................311
Establishing MD5 authentication for TCP connections.......................................................311
Allowing establishment of an eBGP connection to a non-directly connected peer.................312
Controlling route distribution, reception and advertisement....................................................312
Prerequisites...............................................................................................................312
Configuring BGP Route Redistribution.............................................................................312
Configuring BGP route inbound and outbound filtering policies.........................................312
Configuring BGP route attributes........................................................................................313
Prerequisites...............................................................................................................313
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