4.5 « NO PROPOSAL CHOSEN » error
115911 Default (SA BEFVP41-P1) SEND phase 1 Main Mode [SA][VID]
115913 Default (SA BEFVP41-P1) RECV phase 1 Main Mode [SA][VID]
115913 Default (SA BEFVP41-P1) SEND phase 1 Main Mode [KEY][NONCE]
115915 Default (SA BEFVP41-P1) RECV phase 1 Main Mode [KEY][NONCE]
115915 Default (SA BEFVP41-P1) SEND phase 1 Main Mode [ID][HASH][NOTIFY]
115915 Default (SA BEFVP41-P1) RECV phase 1 Main Mode [ID][HASH][NOTIFY]
115915 Default phase 1 done: initiator id c364cd70: 195.100.205.112, responder id c364cd72: 195.100.205.114, src:
195.100.205.112 dst: 195.100.205.114
115915 Default (SA BEFVP41-BEFVP41-P2) SEND phase 2 Quick Mode [SA][KEY][ID][HASH][NONCE]
115915 Default RECV Informational [HASH][NOTIFY] with NO_PROPOSAL_CHOSEN error
115915 Default RECV Informational [HASH][DEL]
115915 Default BEFVP41-P1 deleted
If you have an « NO PROPOSAL CHOSEN » error, check that the « Phase 2 » encryption
algorithms are the same on each side of the VPN Tunnel.
Check « Phase 1 » algorithms if you have this:
115911 Default (SA BEFVP41-P1) SEND phase 1 Main Mode [SA][VID]
115911 Default RECV Informational [NOTIFY] with NO_PROPOSAL_CHOSEN error
4.6 « INVALID ID INFORMATION » error
122623 Default (SA BEFVP41-P1) SEND phase 1 Main Mode [SA][VID]
122625 Default (SA BEFVP41-P1) RECV phase 1 Main Mode [SA][VID]
122625 Default (SA BEFVP41-P1) SEND phase 1 Main Mode [KEY][NONCE]
122626 Default (SA BEFVP41-P1) RECV phase 1 Main Mode [KEY][NONCE]
122626 Default (SA BEFVP41-P1) SEND phase 1 Main Mode [ID][HASH][NOTIFY]
122626 Default (SA BEFVP41-P1) RECV phase 1 Main Mode [ID][HASH][NOTIFY]
122626 Default phase 1 done: initiator id c364cd70: 195.100.205.112, responder id c364cd72: 195.100.205.114, src:
195.100.205.112 dst: 195.100.205.114
122626 Default (SA BEFVP41-BEFVP41-P2) SEND phase 2 Quick Mode [SA][KEY][ID][HASH][NONCE]
122626 Default RECV Informational [HASH][NOTIFY] with INVALID_ID_INFORMATION error
122626 Default RECV Informational [HASH][DEL]
122626 Default BEFVP41-P1 deleted
If you have an « INVALID ID INFORMATION » error, check if « Phase 2 » ID (local address
and network address) is correct and match what is expected by the remote endpoint.
Check also ID type (“Subnet address” and “Single address”). If network mask is not check, you
are using a IPV4_ADDR type (and not a IPV4_SUBNET type).
4.7 I clicked on “Open tunnel”, but nothing happens.
Read logs of each VPN tunnel endpoint. IKE requests can be dropped by firewalls. An IPSec
Client uses UDP port 500 and protocol ESP (protocol 50).
4.8 The VPN tunnel is up but I can’t ping !
If the VPN tunnel is up, but you still cannot ping the remote LAN, here are a few guidelines:
• Check Phase 2 settings: VPN Client address and Remote LAN address. Usually, VPN Client
IP address should not belong to the remote LAN subnet
• Once VPN tunnel is up, packets are sent with ESP protocol. This protocol can be blocked by
firewall. Check that every device between the client and the VPN server does accept ESP
• Check your VPN server logs. Packets can be dropped by one of its firewall rules.
• Check your ISP support ESP
• If you still cannot ping, follow ICMP traffic on VPN server LAN interface and on LAN
computer interface (with Ethereal for example). You will have an indication that encryption
works.
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