IOS mixed Crypto Maps with Checkpoint Firewall

I have a config encryption that works very well with a remote CheckPoint Firewall:

-------------- \/ CONFIG 1 \/--------------------

crypto ISAKMP policy 5

BA 3des

md5 hash

preshared authentication

!

ISAKMP crypto key address 1.2.3.4 cryptokey1

!

Crypto ipsec transform-set esp-3des esp-md5-hmac txfrmset1

!

crypto dynamic-map vpn Dynamics 10

Set transform-set txfrmset1

!

secure1_in card crypto ipsec isakmp 1

defined by peer 205.245.184.2

Set transform-set txfrmset1

match address 105

!

IP nat inside source overload map route sheep interface Ethernet0

!

sheep allowed 10 route map

corresponds to the IP 110

!

access-list 105 permit ip 192.168.10.0 0.0.0.255 192.168.20.0 0.0.0.255

------------/\ CONFIG 1 /\ --------------------

I need to add a card for remote clients using the Cisco VPN 3.6 client.

I have a card encryption that has worked great for me in the past. The combination

Both looks like this:

---------------\/ CONFIG 2 \/ --------------------------

Nine AAA

AAA authentication login userauthen local

AAA authorization groupauthor LAN

crypto ISAKMP policy 5

BA 3des

md5 hash

preshared authentication

!

crypto ISAKMP policy 10

BA 3des

md5 hash

preshared authentication

Group 2

!

cryptokey1 key crypto isakmp address 1.2.3.4 No.-xauth

!

Crypto ipsec transform-set esp-3des esp-md5-hmac txfrmset1

!

crypto dynamic-map vpn Dynamics 10

Set transform-set txfrmset1

ISAKMP crypto client configuration group remote1

cryptokey2 key

DNS 10.0.0.4

WINS 10.0.0.5

VPN-pool

!

card crypto client secure1_in of authentication list userathen

card crypto isakmp authorization list groupauthor secure1_in

client configuration address card crypto secure1_in answer

secure1_in map ipsec-isakmp crypto 5

defined peer 1.2.3.4

Set transform-set txfrmset1

match address 105

vpnclient 10-isakmp ipsec vpn dynamic-dynamic crypto map

!

IP VPN-pool pool 172.16.30.1 room 172.16.30.254

IP nat inside source overload map route sheep interface Ethernet0

access-list 105 permit ip 192.168.10.0 0.0.0.255 192.168.20.0 0.0.0.255

!

access-list 110 deny ip 192.168.10.0 0.0.0.255 192.168.20.0 0.0.0.255

access-list 110 permit ip 192.168.0.0 0.0.0.255 any

!

sheep allowed 10 route map

corresponds to the IP 110

---------------/\ CONFIG 2 /\---------------------------

It's classic crypto right out of the playbook of Cisco. This card works

very well with the Cisco VPN client, but produced the following errors after a

successful with Checkpoint Firewall P1 installation:

--------------\/ ERROR OUTPUT \/ -----------------------

05:13:02: ISAKMP (0:2): send package to 1.2.3.4 (R) MM_KEY_EXCH

05:13:02: ISAKMP (0:2): entry = IKE_MESG_INTERNAL, IKE_PROCESS_COMPLETE

Former State = new State IKE_R_MM5 = IKE_P1_COMPLETE

05:13:02: ISAKMP (0:2): need to config/address

05:13:02: ISAKMP (0:2): need to config/address

05:13:02: ISAKMP: node set 1502565681 to CONF_ADDR

05:13:02: ISAKMP (0:2): pool of IP addresses not defined for ISAKMP.

05:13:02: ISAKMP (0:2): node 1502565681 error suppression FALSE reason «»

05:13:02: ISAKMP (0:2): entry = IKE_MESG_INTERNAL, IKE_PHASE1_COMPLETE

Former State = new State IKE_P1_COMPLETE = IKE_CONFIG_MODE_SET_SENT

05:13:02: ISAKMP (0:2): 1.2.3.4 received packet (R) CONF_ADDR

05:13:02: ISAKMP: node set-1848822857 to CONF_ADDR

05:13:02: ISAKMP (0:2): entry unknown: status = IKE_CONFIG_MODE_SET_SENT, major, minor = IKE_MESG_INTERNAL, IKE_PHASE1_COMPLETE

05:13:04: ISAKMP (0:2): 1.2.3.4 received packet (R) CONF_ADDR

--------------/\ ERROR OUTPUT /\--------------------------

This does not happen to config 1. If it's a PIX, I would use the

No.-config-mode keyword after the No.-xauth on isakmp crypto "key."

command line. It is not available on IOS IPSEC and I have never

needed to do before. I am running Cisco IOS 12.2 (5.4) T on a VPN of 1721

router. The static map seems to work by itself. What I am doing wrong?

I saw her a couple of times and to be honest have never taken down to an exact cause, although in this case it looks like almost to the point of control request an IP address which is weird. Try the following:

1. Add "card crypto secure1_in client configuration address to initiate" and see what it does.

2. try 12.2 (8) code T5 with it, I had a previous user running 12.2 (11) T and we got the same error messages, returning to this level of code it is resolved.

In addition, you wouldn't need:

> access-list 110 deny ip 192.168.10.0 0.0.0.255 172.16.30.0 0.0.0.255

for example, so that you do not NAT client VPN traffic?

Tags: Cisco Security

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