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VPN ASA5505 to Linksys BEFSX41

paulty
Level 1
Level 1

I am having issues getting a tunnel up between an ASA5505 and a Linksys BEFSX41

Local ip range of the network with the linksys is 10.1.3.0/24

The local ip range of the network with the ASA is 10.1.2.0/24

Log messages from the ASA

------------------------------------------

IKE Initiator: New Phase 1, Intf inside, IKE Peer 75.151.XXX.XXX  local Proxy Address 10.1.2.0, remote Proxy Address 10.1.3.0,  Crypto map (outside_map)

AAA retrieved default group policy (DfltGrpPolicy) for user = 75.151.XXX.XXX

Group = 75.151.XXX.XXX, IP = 75.151.XXX.XXX, PHASE 1 COMPLETED

Group = 75.151.XXX.XXX, IP = 75.151.XXX.XXX, Received non-routine Notify message: Invalid ID info (18)

Group = 75.151.XXX.XXX, IP = 75.151.XXX.XXX, QM FSM error (P2 struct &0xd8cf4b38, mess id 0x9ceab897)!

Group = 75.151.XXX.XXX, IP = 75.151.XXX.XXX, Removing peer from correlator table failed, no match!

Linksys

------------

local secure group: IP Range / 10.1.2.1~254

Remote Secure Group: IP Range / 10.1.2.1~254

Remote Security Gateway IP Addr. / 24.154.XXX.XXX

Encryption: 3DES / MD5

Key Management: Auto IKE, PFS OFF, Pre-shared Key: XXXXXXX

Key Lifetime 28800

*Advance Settings*

Phase 1

Operation mode: Main

Proposal 1:

3DES / MD5 / 1024-bit

Key Lifetime 28800

Phase 2

Proposal

Encryption: 3DES / MD5

PFS: OFF

Group: 1024-bit

Key Lifetime: 28800

Other Settings:

NetBIOS broadcast ----- This wont let me uncheck it, every time I do it just re-enables it. Is this the non-routine message reported in the asa log?

I do not have keep-alive checked because when it was the ASA was reporting that the remote device doesnt support keep-alive ???

Im attaching the ASA config

3 Replies 3

Hi,

Make sure PFS is off for phase 2 on the linksys side:

Phase 2

Proposal

Encryption: 3DES / MD5

PFS: OFF

Group: 1024-bit

It shows PFS off, but it then shows Group 1024-bit which is group 2.

If the problem persists, please post the complete output from ''debug cry ips 127'' when attempting the connection.

Federico.

In the linksys it only gives you the option to select group1 or group2 under the PFS

This is the only output I get from the debug when I try to bring up the tunnel.

IPSEC(crypto_map_check)-3: Looking for crypto map matching 5-tuple: Prot=1, Src=10.1.2.15:2, Dest=10.1.3.254:2

IPSEC(crypto_map_check)-3: Checking crypto map outside_map 1: matched.

IPSEC: New embryonic SA created @ 0xD8CB83D8,

    SCB: 0xD7DF2600,

    Direction: inbound

    SPI      : 0x20BA6A35

    Session ID: 0x00083000

    VPIF num  : 0x00000002

    Tunnel type: l2l

    Protocol   : esp

    Lifetime   : 240 seconds

What if you enable PFS on the ASA side:

crypto map outside_map 1 set pfs groupx

Try deleting the SAs ''clear cry isa sa'' ''clear cry ips sa'' and establishing again to check the debugs.

Federico.