Probably a TTL problem. Did you configure ebgp-multihop? Eric Dugas ZEROFAIL / AS40191 edugas@zerofail.com -----Original Message----- From: Philip Lavine [mailto:source_route@yahoo.com] Sent: December 18, 2013 10:48 AM To: NANOG list Subject: BGP from Juniper to Cisco ASR Dec 18 07:46:33: %BGP-3-NOTIFICATION: received from neighbor <REMOTE PEER> active 2/5 (authentication failure) 0 bytes Dec 18 15:46:33.615: BGP: ses global <REMOTE PEER> (0x7FB1CD209CF0:0) act Receive NOTIFICATION 2/5 (authentication failure) 0 bytes Although I have seem this on the message boards I am little confused in that the ISP is telling me that there is no authentication enabled on the Juniper and I do not have authentication enabled on the ASR. So what is going on here?