Dear, bird-users@atrey.karlin.mff.cuni.cz. Who has a working BIRD 1.2.1 ospf md5 authentication and Cisco? ---Log File------ Mar 16 17:34:52 vulture2 bird: MyOSPF: OSPF_auth: size mismatch (88 vs 124) Mar 16 17:34:52 vulture2 bird: Bad OSPF packet from 93.125.5.141 - authentification failed ------------------------- ------Configuration----------- protocol ospf MyOSPF { import all; # export all; area 2 { stub no; networks { 93.125.5.128/27; }; interface "vlan200" { priority 0; password "xxxxxx" { id 5; }; authentication cryptographic; }; }; } ------------------------- -- Best regards, Vitaliy Kolodinsky