This field is used in conjunction with bgpPeergrAsOverride to indicate whether BGP should perform AS-override on routes advertised to the peers in this peer-group for this address-family. If AS-override is enabled, then when advertising routes to this peer for this address-family, any instance of the peer's AS number will be replaced in the advertised AS path with the local AS number. This field is only taken into account for peer-group members with the AMB_BGP_PEER_CU2_AS_OVERRIDE bit set in the bgpPeerConfigUsage2 field. AS-override may be enabled independently for each address family. When bgpPeergrAsOverride is set to 'true', set bgpPeergrAfiSafiAsOverride to 'true' or 'false' to enable or disable as-override for each address family. This field can be changed at any time, and may cause routes to be re-advertised to or withdrawn from peers in the peer-group. Note that this field has no effect when set for iBGP peers.