VPN IPSec L2L between IOS and PIX 6.3 - MTU issue?

Similar Questions

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  Hello

  Most of the commands are the same for both IOS and IOS - XE.

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  Hello!

  Recently, I was doing some troubleshooting on a connection VPN/IPSec Lan-to-Lan between a Cisco PIX515E and a Linux firewall. My question concerns the configuration and is not the problem itself.

  Traffic interesting (encrypted traffic) defined and configured the LAN of PIX (inside) and the distance public IP? Which means that the Peer IKE and the interesting remote control LAN/IP are the same... and it works!

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  Thank you

  JP

  As long as you source the package from the local network of Pix to remote public IP, the tunnel will work well and works :-)

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  Hello guys

  I tried to get VPN to work for a specific scenario where I do NAT for VPN traffic to avoid the duplication of subnet.

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  Best regards

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  You can use a static policy NAT NAT the traffic:

  access-list 101 permit ip 10.0.0.0 0.0.0.255 10.30.10.0 0.0.0.0.255

  access-list 102 deny ip 10.0.0.0 0.0.0.255 10.30.10.0 0.0.0.0.255

  access-list 102 permit ip 10.0.0.0 0.0.0.255 any

  policy-NAT allowed 10 route map

  corresponds to the IP 101

  internet-NAT allowed 10 route map

  corresponds to the IP 102

  IP nat inside source static network 10.0.0.0 road policy-NAT 10.30.10.0/24-feuille

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• Tunnel of the phase 2's not going up between Watchguard and PIX 525

  Hi people,

  Can you please help me to know where is the problem liying, currently I am trying to establish a VPN tunnel between the PIX firewall and Watchguard, all settings of the two devices are the same, but tunnel Phase two is not coming.

  Here is the fix:

  crypto_isakmp_process_block:src:212.37.17.43, dest:212.118.128.233 spt:500 dpt:500

  Exchange OAK_MM

  ISAKMP (0): processing KE payload. Message ID = 0

  ISAKMP (0): processing NONCE payload. Message ID = 0

  ISAKMP (0:0): payload detected NAT - D

  ISAKMP (0:0): NAT does not match hash MINE

  received hash: b3 8f bb 0 93 3 b 65 e8 35 54 6 c4 cc 59 6f 6f

  My nat hash: dd 9 70 35 58 40 ac da 3 b 5 b 1 b 4 c 87 d2 11 fc

  ISAKMP (0:0): payload detected NAT - D

  ISAKMP (0:0): NAT does not match THE hash

  received hash: ba 72 c5 e 5 b fb 88 f0 1e ba c9 c6 c1 cc 8A f7

  its nat hash: c 4 c 89 a5 66 dd 80 76 48 3f f0 56 ed b0 a5 c1

  ISAKMP (0:0): built HIS NAT - D

  ISAKMP (0:0): built MINE NAT - D

  to return to the State is IKMP_NO_ERROR

  crypto_isakmp_process_block:src:212.37.17.43, dest:212.118.128.233 spt:4500 dpt:4500

  Exchange OAK_MM

  ISAKMP (0): processing ID payload. Message ID = 0

  ISAKMP (0): HASH payload processing. Message ID = 0

  ISAKMP (0): SA has been authenticated.

  ISAKMP: Created a struct 212.37.17.43, peer port 37905 peer

  ISAKMP: Lock struct UDP_ENC crypto_ikmp_udp_enc_ike_init 0x3cbb634, 1

  ISAKMP (0): ID payload

  next payload: 8

  type: 2

  Protocol: 17

  Port: 0

  Length: 23

  ISAKMP (0): the total payload length: 27

  to return to the State is IKMP_NO_ERROR

  ISAKMP (0): send to notify INITIAL_CONTACT

  ISAKMP (0): sending message 24578 NOTIFY 1 protocol

  Peer VPN: ISAKMP: approved new addition: ip:212.37.17.43/4500 Total VPN peer: 16

  Peer VPN: ISAKMP: ip:212.37.17.43/4500 Ref cnt is incremented to peers: 1 Total VPN peer: 16

  crypto_isakmp_process_block:src:212.37.17.43, dest:212.118.128.233 spt:4500 dpt:4500

  ISAKMP (0): processing NOTIFY payload Protocol 24578 1

  SPI 0, message ID = 3168983470

  ISAKMP (0): treatment notify INITIAL_CONTACT

  to return to the State is IKMP_NO_ERR_NO_TRANS

  crypto_isakmp_process_block:src:212.37.17.43, dest:212.118.128.233 spt:4500 dpt:4500

  Exchange OAK_QM

  oakley_process_quick_mode:

  OAK_QM_IDLE

  ISAKMP (0): treatment ITS payload. Message ID = 484086886

  ISAKMP: Check IPSec proposal 1

  ISAKMP: turn 1, ESP_3DES

  ISAKMP: attributes of transformation:

  ISAKMP: Life Type SA in seconds

  ISAKMP: Lifetime of HIS (basic) of 28800

  ISAKMP: Type of life HIS enKo

  ISAKMP: Lifetime of HIS (basic) 32000

  ISAKMP: program is 61433

  ISAKMP: authenticator is HMAC-MD5

  ISAKMP (0): atts are not acceptable. Next payload is 0

  ISAKMP (0): Security Association is not acceptable!

  ISAKMP (0): 14 NOTIFY message protocol sending 0

  to return to the State is IKMP_ERR_NO_RETRANS

  crypto_isakmp_process_block:src:212.37.17.43, dest:212.118.128.233 spt:4500 dpt:4500

  ISAKMP: phase 2 package is a duplicate of a previous package

  ISAKMP: last reply reference

  ISAKMP (0:0): sending of NAT - T vendor ID - rev 2 & 3

  crypto_isakmp_process_block:src:212.37.17.43, dest:212.118.128.233 spt:4500 dpt:4500

  ISAKMP: phase 2 package is a duplicate of a previous package

  ISAKMP: last reply reference

  crypto_isakmp_process_block:src:213.210.211.82, dest:212.118.128.233 spt:500 dpt:500

  ISAKMP (0): processing NOTIFY payload Protocol 36136 1

  SPI 0, message ID = 287560609

  ISAMKP (0): DPD_R_U_THERE received from the peer 213.210.211.82

  ISAKMP (0): sending message 36137 NOTIFY 1 protocol

  to return to the State is IKMP_NO_ERR_NO_TRANSdebug

  ISAKMP (0): retransmission of the phase 1 (0)...

  Thank you

  Ismail

  Hello

  The debug version, it seems that the parameters are not same on devices:

  ISAKMP (0): atts are not acceptable. Next payload is 0

  Please check the settings of the Phase 2 and also make sure that you have PFS disabled Watchguard.

  * Please rate if helped.

  -Kanishka

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• ASA 5510 L2L VPN static gateway of azure and branches and

  Hello

  I am trying to configure an ASA to operate as a hub between two site-to-site VPN, at our office and the other on Azure.

  i.e.

  Office <-- internet="" --="">ASA <-- internet="" --="">Azure

  On the two sites I can establish a VPN for the hosts of the ASA and access on our data center network, but I can't seem to get the connectivity from end to end of Azure at our office or vice versa.

  Any ideas on what I can try as I have been hitting my head against a wall with this one.

  Hello

  If traffic also came from the blue to office network so it would seem that there is a problem with configuring VPN L2L between ASA and Azure, very probably on the Côte d'Azur.

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• I get the error message on debugging ipsec-l2l tunnel

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  Can someone help me understand the debug message?
  I get the error message on debugging ipsec-l2l tunnel

  I tried to configure an ASA5520 with an ipsec-l2l to ios router 1721

  = 1721 router =.

  Cisco 1721 (flash: c1700-k9o3sy7 - mz.123 - 2.XC2.bin)
  80.89.47.102 outside
  inside 10.100.110.1 255.255.255.0

  Debug crypto ipsec
  Debug crypto ISAKMP

  -config-
  crypto ISAKMP policy 1
  BA 3des
  md5 hash
  preshared authentication
  Group 2
  0 1234567890 128.39.189.10 crypto isakmp key address
  !
  !
  Crypto ipsec transform-set esp-3des pix-series
  !
  ASA 10 ipsec-isakmp crypto map
  defined by peer 128.39.189.10
  transform-set pix - Set
  match address 101
  !
  !
  interface FastEthernet0

  Outside-interface description

  IP 80.89.47.102 255.255.255.252

  NAT outside IP

  card crypto asa

  !

  interface Vlan10
  Inside description
  IP 10.100.110.1 255.255.255.0
  IP nat inside

  !

  !

  IP nat inside source overload map route interface FastEthernet0 sheep

  !

  access-list 101 permit ip 10.100.110.0 0.0.0.255 10.100.4.0 0.0.3.255

  !

  access-list 110 deny ip 10.100.110.0 0.0.0.255 10.100.4.0 0.0.3.255
  access-list 110 permit ip 10.100.110.0 0.0.0.255 any
  !
  sheep allowed 10 route map
  corresponds to the IP 110
  !

  = Config ASA =.

  Cisco 5520 ASA Version 8.2 (1)
  128.39.189.10 outside
  inside 10.100.4.255 255.255.252.0

  Debug crypto ipsec
  Debug crypto ISAKMP

  -Config-
  !
  Allow Access-list extended sheep 255.255.252.0 IP 10.100.4.0 10.100.110.0 255.255.255.0
  !
  access extensive list ip 10.100.4.0 outside110 allow 255.255.252.0 10.100.110.0 255.255.255.0
  !

  Crypto ipsec transform-set ESP-3DES-MD5-esp-3des esp-md5-hmac
  Crypto ipsec transform-set esp-SHA-ESP-3DES-3des esp-sha-hmac
  86400 seconds, duration of life crypto ipsec security association
  Crypto ipsec kilobytes of life - safety 4608000 association
  card crypto outside_map 11 match address outside110
  peer set card crypto outside_map 11 80.89.47.102
  card crypto outside_map 11 game of transformation-ESP-3DES-MD5
  outside_map interface card crypto outside
  crypto ISAKMP allow outside
  crypto ISAKMP policy 10
  preshared authentication
  3des encryption
  md5 hash
  Group 2
  life 86400

  !

  attributes of Group Policy DfltGrpPolicy
  VPN-idle-timeout no
  Protocol-tunnel-VPN IPSec

  !

  tunnel-group 80.89.47.102 type ipsec-l2l
  IPSec-attributes tunnel-group 80.89.47.102
  pre-shared key 1234567890

  Concerning
  Tor

  You have a transformation defined on the SAA named ESP-3DES-MD5? Your crypto card refers to that but I don't see it listed in the config you have posted. I don't have much experience with routers, but is MD5 hashing algoritm (and why it is not)?

  James

• iOS and cisco rv082

  Is there a way to create a VPN IPSec tunnel between my cisco rv082 and my iOS designs the reason is very simple, that I do not have access to enough pptp connections 5 is a low offer when you use for 10 + mobile connections

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• Cisco's VPN IPSec help please

  Hi all

  I have 3 sites, the main site has a cisco firewall mikrotik router.

  There is a vpn ipsec existing between the cisco router and another router cisco on the site of the 2nd and it works well.

  Now, I've added an another vpn between a 3rd site and main site. The router on the 3rd site is a mikrotik firewall.

  I had the vpn on the main site and the 3rd site where the mikrotik firewall is and it worked well.

  then for some reason, the vpn with the 3rd site has failed and I could not get it working again.

  When looking for answers, I see that the vpn for the 3rd site States the following:

  #pkts program: 46, #pkts encrypt: 46, #pkts digest: 46
  #pkts decaps: 0, #pkts decrypt: 0, #pkts check: 0

  It seems that no traffic is coming back to the cisco

  I also found the following output below to diagnose the problem.

  It seems that there is communication, but if I read this right, it looks like the cisco established a new number but the other end is not the new number

  new node-1868419487

  node-1868419487 error suppression FALSE "Information (in) condition 1" pattern

  Any help would be appreciated.

  * 02:49:51.911 Jul 22: ISAKMP: (2060): purge the node-1140469772

  * 02:49:59.723 Jul 22: ISAKMP: DPD received message KMI.

  * 02:49:59.723 Jul 22: ISAKMP: node set 1053074288 to QM_IDLE

  * 02:49:59.723 Jul 22: ISAKMP: (2060): Protocol for sending INFORMER DPD/R_U_THERE 1

  SPI 2273844328, message ID = 1053074288

  * 02:49:59.723 Jul 22: ISAKMP: (2060): seq. no 0x645EC368

  * 02:49:59.723 Jul 22: ISAKMP: (2060): my_port of x.x.x.127 package sending 5

  peer_port 00 500 (R) QM_IDLE

  * 02:49:59.723 Jul 22: ISAKMP: (2060): sending a packet IPv4 IKE.

  * 02:49:59.723 Jul 22: ISAKMP: (2060): purge the node 1053074288

  * 02:49:59.767 Jul 22: ISAKMP (2060): packet received dport x.x.x.127

  500 sport Global 500 (R) QM_IDLE

  * 02:49:59.767 Jul 22: ISAKMP: node set-1868419487 to QM_IDLE

  * 02:49:59.771 Jul 22: ISAKMP: (2060): HASH payload processing. Message ID = 24265

  47809

  * 02:49:59.771 Jul 22: ISAKMP: (2060): treatment of the NOTIFY DPD/R_U_THERE_ACK protoco

  l 1

  0, message ID SPI = 2426547809, a = 0x8705F854

  * 02:49:59.771 Jul 22: ISAKMP: (2060): DPO/R_U_THERE_ACK received from the peer 125,23

  6.211.127, sequence 0x645EC368

  * 02:49:59.771 Jul 22: ISAKMP: (2060): node-1868419487 FALSE reason for deletion error

  "Information (in) condition 1"

  * 02:49:59.771 Jul 22: ISAKMP: (2060): entry = IKE_MESG_FROM_PEER, IKE_INFO_NOTIFY

  * 02:49:59.771 Jul 22: ISAKMP: (2060): former State = new State IKE_P1_COMPLETE = IKE

  _P1_COMPLETE

  * 02:50:01.111 Jul 22: ISAKMP: (2060): purge the node-1201068805

  Comparing encrypt of 46 to 47436 counters, it seems that router is ecncrypting the traffic, but we do not get any interesting traffic on the remote side.

  Most likely, you might want to check on the remote site, if you see counters increment in parallel decryption and encryption of the counters are incrementing or not.

  On the router IOS, if are incrementing counters encrypt, and confirm that you have not any tunnel existing before the router can be seen same proxy IDs, which is already negotiated with other peer.

  Finally, please make sure that the ESP, 50 protocol traffic is not blocked in transit.
  I hope this helps.

  Kind regards
  Dinesh Moudgil

  PS Please rate helpful messages.

• QNS vpn IPsec

  Hello

  I have 2 questions about vpn IPsec

  I have an asa, vpn ipsec (l2l) running on a remote site with 192.168.0.0/24 network

  1 > I can ping 192.168.0.1 but not 192.168.0.111. I had observed "Recv errors" whenever I have ping to 192.168.0.111.

  I had observed recevied errors of "crypto ipsec to show his" exit; but not because the tunnel to reconnect (after timeout) and w/o any changes made to the configuration.

  What could be the cause and how can I fix just in case where the returned errors? I can't find much info on "recv errors."

  2 > I understand there are 2 acl required for a vpn ipsec typical; 1 for no NAT, 1 correspondence address card crypto

  can I implement an acl to allow tcp 3389 only from the remote network on my local network on the asa?

  Thank you

  cash

  Salvation of cash,

  There is not a lot we can do here in what concerns this isuse.

  You can talk to your service provider and see if they do not modify the packets somehow.

  Also ask them to check for any problem on the circuit.

  See you soon,.

  Nash.