VPN is failing on Phase-1 MM packet1

[Blason_R]

Hi Team,

I am trying to bring up this tunnel however when I debug on CP with ike and vpnd it shows this is failing on MM-Packet 1 and here are the logs for VPNd.elg. Third party IP is 143.244.xxx,xxx

[vpnd 30737 4081387456]@xxxxx[10 Dec 16:51:24][tunnel] Transmitter::Transmit: 152 bytes sent to 143.244.xxx.xxx port: 500 over UDP (IPv4).
[vpnd 30737 4081387456]@xxxxx[10 Dec 16:51:28][tunnel] Transmitter::TransmitRequest: Transmitting for: 0xb8f1978 over UDP (IPv4) (10). Next in 4000ms
[vpnd 30737 4081387456]@xxxxx[10 Dec 16:51:28][tunnel] UDPConnection::Send: Sent 148 bytes on connection 0xa5ab5e0
[vpnd 30737 4081387456]@xxxxx[10 Dec 16:51:28][tunnel] Transmitter::EndRequest: Done transmission for: 0xbac5188
[vpnd 30737 4081387456]@xxxxx[10 Dec 16:51:28][tunnel] Transmitter::EndRequest: Calling transmission handler, done for 0xbac5188
[vpnd 30737 4081387456]@xxxxx[10 Dec 16:51:28][tunnel] TransmissionDone: called (back) for: 0xbac5188
[vpnd 30737 4081387456]@xxxxx[10 Dec 16:51:28][tunnel] fwIsakmp_Timeout: TIMEOUT ABORT: phase1state: bacf608 phase2state 0
[vpnd 30737 4081387456]@xxxxx[10 Dec 16:51:28][tunnel] ReplyBy: entering for 0xbac5188
[vpnd 30737 4081387456]@xxxxx[10 Dec 16:51:28][tunnel] fillUserPeerByNegotiationCxt: entering: 0 0 0 0
[vpnd 30737 4081387456]@xxxxx[10 Dec 16:51:28][tunnel] fillUserPeerByNegotiationCxt: ERROR: phase2state is NULL, return
[vpnd 30737 4081387456]@xxxxx[10 Dec 16:51:28][tunnel] fwisakmp_new_sa_notify: notified.
[vpnd 30737 4081387456]@xxxxx[10 Dec 16:51:28][tunnel] fwisakmp_new_sa_notify: Got an error from isakmpd type 3 code 0
[vpnd 30737 4081387456]@xxxxx[10 Dec 16:51:28][tunnel] fwisakmp_got_error_from_isakmpd: kernel_instance: 1. Err type 3, err-code 0. Packetid: 2c9e680
[vpnd 30737 4081387456]@xxxxx[10 Dec 16:51:28] CFwdCommStreamLocal::Write called
[vpnd 30737 4081387456]@xxxxx[10 Dec 16:51:28] CFwdCommStreamLocal::Write sent 136 bytes