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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