Are these messages "normal" for a carped pair of firewalls running isakmpd with sasyncd (3.8-stable)?
FW1/master - /var/log/message: Mar 16 01:37:40 fw1 isakmpd[32692]: message_recv: invalid cookie(s) 222729dc227c8f28 a0d29ef92ee65243 Mar 16 01:37:40 fw1 isakmpd[32692]: dropped message from x1.x2.x3.178 port 500 due to notification type INVALID_COOKIE Mar 16 01:37:45 fw1 isakmpd[32692]: message_recv: invalid cookie(s) 222729dc227c8f28 a0d29ef92ee65243 Mar 16 01:37:45 fw1 isakmpd[32692]: dropped message from x1.x2.x3.178 port 500 due to notification type INVALID_COOKIE FW2/backup - /var/log/message: Mar 16 01:35:49 fw2 isakmpd[5980]: transport_send_messages: giving up on exchange ISAKMP-peer, no response from peer x1.x2.x3.178:500 Mar 16 01:37:49 fw2 isakmpd[5980]: transport_send_messages: giving up on exchange ISAKMP-peer, no response from peer x1.x2.x3.178:500 -Steve S.