Watchguard Firebox X55E-W User Manual download pdf (Page 15)

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tgbvpn-cg-watchgard-firebox-edge-en

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1.0 –

May 2010

VPN version 4.x

5.5 « NO PROPOSAL CHOSEN » error

115911 Default (SA CNXVPN1-P1) SEND phase 1 Main Mode [SA][VID]

115913 Default (SA CNXVPN1-P1) RECV phase 1 Main Mode [SA][VID]

115913 Default (SA CNXVPN1-P1) SEND phase 1 Main Mode [KEY][NONCE]

115915 Default (SA CNXVPN1-P1) RECV phase 1 Main Mode [KEY][NONCE]

115915 Default (SA CNXVPN1-P1) SEND phase 1 Main Mode [ID][HASH][NOTIFY]

115915 Default (SA CNXVPN1-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 CNXVPN1-CNXVPN1-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 CNXVPN1-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 CNXVPN1-P1) SEND phase 1 Main Mode [SA][VID]

115911 Default RECV Informational [NOTIFY] with NO_PROPOSAL_CHOSEN error

5.6 « INVALID ID INFORMATION » error

122623 Default (SA CNXVPN1-P1) SEND phase 1 Main Mode [SA][VID]

122625 Default (SA CNXVPN1-P1) RECV phase 1 Main Mode [SA][VID]

122625 Default (SA CNXVPN1-P1) SEND phase 1 Main Mode [KEY][NONCE]

122626 Default (SA CNXVPN1-P1) RECV phase 1 Main Mode [KEY][NONCE]

122626 Default (SA CNXVPN1-P1) SEND phase 1 Main Mode [ID][HASH][NOTIFY]

122626 Default (SA CNXVPN1-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 CNXVPN1-CNXVPN1-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 CNXVPN1-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).

5.7 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).

5.8 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

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