i have problem between in vpn between cisco router and firewall ASA the tunnel is up between them but there is no traffic passing as i am trying to ping any server from Site_A(Router) to Site_B(ASA) and give request timeout and also be noted that ASA is behind router
i have also some logs appeared to me
%CRYPTO-4-IKMP_NO_SA : IKE message from [IP_address] has no SA and is not an initialization offer
%CRYPTO-4-RECVD_PKT_INV_SPI: decaps: rec'd
IPSEC packet has invalid spi for destaddr=207.15.205.15, prot=50,
spi=0x681E0955(1746798933), srcaddr=4.2.97.15.