Site to site VPN (IPSEC), tunnel is not coming up.

[kcsureshbabu]

ite to site VPN tunnel - we are getting this error. one end is cisco router , another end Junier device.

(identity) local= 182.123.37.1:0, remote= 19.15.12.32:0,

  (key eng. msg.) OUTBOUND local= 182.123.37.1:500, remote= 19.15.12.32:0,:500,

  (key eng. msg.) OUTBOUND local= 182.123.37.1:500, remote= 19.15.12.32:0,:500,

*Mar  2 16:14:21.703: ISAKMP:(0):SA is still budding. Attached new ipsec request to it. (local 182.123.37.1, remote 19.15.12.32:0,)

*Mar  2 16:14:21.703: ISAKMP:(0): sending packet to 19.15.12.32:0, my_port 500 peer_port 500 (I) MM_NO_STATE

(identity) local= 182.123.37.1:0, remote= 19.15.12.32:0,0,

*Mar  2 16:12:46.036: ISAKMP:(0):deleting SA reason "Death by retransmission P1" state (I) MM_NO_STATE (peer 19.15.12.32:0,)

*Mar  2 16:12:46.036: ISAKMP:(0):deleting SA reason "Death by retransmission P1" state (I) MM_NO_STATE (peer 19.15.12.32:0,)

What could be the problem.

[Deepak Kumar]

Please collect logs and share:

debug crypto isakmp

sho crypto isakmp sa

Regards,

Deepak Kumar

[Georg Pauwen]

Hello,

which Juniper platform, and which Cisco ? Below is a sample config for a site to site VPN between a Cisco 891-K9 and a Juniper SRX100H:

http://www.networkstraining.com/site-to-site-ipsec-vpn-between-cisco-router-and-juniper-security-gateway/