ip-address— Neighbor's IP address.
peer-group-name— Name of the peer group. See section 8-19.
ip-access-list-number-or-name— Standard, extended, or named IP access list number.
Purpose: To filter incoming route updates from a particular BGP neighbor. Only one distribute list can be used per neighbor. The operation of the input distribute list is identical for both IBGP and EBGP neighbors.
Cisco IOS Software Release: 10.0. Peer group support was added in Release 11.0, support for named access lists was added in Release 11.2, and prefix list support was added in Release 12.0.