PIX/ASA 7.x Easy VPN with an ASA 5500 as the Server and PIX 506E as the Client (NEM) Configuration Example

Introduction

This document provides a sample configuration for IPsec between a Cisco Adaptive Security Appliance (ASA) 5520 and a Cisco PIX 506E using EasyVPN. The ASA 5520 acts as the EasyVPN server and the PIX 506E acts as the EasyVPN remote client. While this configuration uses an ASA 5520 device that runs ASA software version 7.0(4), you can also use this configuration for PIX Firewall devices that run PIX operating system version 7.0 and later.

Refer to PIX/ASA 7.x Easy VPN with an ASA 5500 as the Server and Cisco 871 as the Easy VPN Remote Configuration Example for more information on a similar scenario where the Cisco 871 Router acts as the Easy VPN Remote.

Refer to VPN Hardware Client on a PIX 501/506 Series Security Appliance with VPN 3000 Concentrator Configuration Example for more information on a similar scenario where the Cisco VPN 3000 Concentrator acts as the Easy VPN Server.

Refer to PIX 501/506 Easy VPN Remote to an IOS® Router in Network Extension Mode with Extended Authentication Configuration Example for more information on a similar scenario where the Cisco IOS Router acts as the Easy VPN Server.

Refer to PIX-to-PIX 6.x: Easy VPN (NEM) Configuration Example for more information on a similar scenario where the PIX 506 6.x acts as the Easy VPN Server.

Prerequisites

Requirements

Ensure that you meet these requirements before you attempt this configuration:

• Ensure that you have a basic understanding of IPsec and the ASA/PIX 6.x and 7.x operating systems.

Components Used

The information in this document is based on these software and hardware versions:

• The EasyVPN remote hardware client is a PIX 506E that runs version 6.3(5).

• The EasyVPN server is an ASA 5520 that runs version 7.0(4).

Note: The ASA 5500 series version 7.x runs the same software seen in PIX version 7.x. The configurations in this document are applicable to both product lines.

The information in this document was created from the devices in a specific lab environment. All of the devices used in this document started with a cleared (default) configuration. If your network is live, make sure that you understand the potential impact of any command.

Conventions

Refer to the Cisco Technical Tips Conventions for more information on document conventions.

Configure

In this section, you are presented with the information to configure the features described in this document.

Note: Use the Command Lookup Tool (registered customers only) to obtain more information on the commands used in this section.

Network Diagram

This document uses this network setup:

Configurations

This document uses these configurations:

• Easy VPN Server (ASA 5520)

• Easy VPN Remote Hardware Client

ASA5520-704#write terminal
: Saved
:
ASA Version 7.0(4)
!
hostname ASA5520-704
enable password 8Ry2YjIyt7RRXU24 encrypted
names
!


!--- Configure the outside and inside interfaces.

interface GigabitEthernet0/0
 nameif outside
 security-level 0
 ip address 10.20.20.1 255.255.255.0
!
interface GigabitEthernet0/1
 nameif inside
 security-level 100
 ip address 172.22.1.1 255.255.255.0
!
interface GigabitEthernet0/2
 shutdown
 no nameif
 no security-level
 no ip address
!
interface GigabitEthernet0/3
 shutdown
 no nameif
 no security-level
 no ip address
!
interface Management0/0
 shutdown
 no nameif
 no security-level
 no ip address
!
passwd 2KFQnbNIdI.2KYOU encrypted
ftp mode passive


!--- This access list is used for a nat zero command that prevents !--- traffic which matches the access list from undergoing !--- network address translation (NAT). 

access-list no-nat extended permit ip 172.22.1.0 255.255.255.0 172.16.1.0 255.255.255.0

!--- This access list is used to define the traffic !--- that should pass through the tunnel. !--- It is bound to the group policy which defines !--- a dynamic crypto map.

access-list ezvpn1 extended permit ip 172.22.1.0 255.255.255.0 172.16.1.0 255.255.255.0
pager lines 24
mtu outside 1500
mtu inside 1500
no failover
icmp permit any echo-reply outside
icmp permit any inside
no asdm history enable
arp timeout 14400


!--- Specify the NAT configuration. !--- NAT 0 prevents NAT for the ACL defined in this configuration. !--- The nat 1 command specifies NAT for all other traffic.

global (outside) 1 interface
nat (inside) 0 access-list no-nat
nat (inside) 1 0.0.0.0 0.0.0.0
route outside 0.0.0.0 0.0.0.0 10.20.20.2 1
timeout xlate 3:00:00
timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02
timeout sunrpc 0:10:00 h323 0:05:00 h225 1:00:00 mgcp 0:05:00
timeout mgcp-pat 0:05:00 sip 0:30:00 sip_media 0:02:00
timeout uauth 0:05:00 absolute


!--- This defines the group policy you use with EasyVPN. !--- Specify the networks !--- that should pass through the tunnel and that you want to !--- use network extension mode.

group-policy myGROUP internal
group-policy myGROUP attributes
 split-tunnel-policy tunnelspecified
 split-tunnel-network-list value ezvpn1
 nem enable
 webvpn


!--- Here the username and password associated with !--- this VPN connection are defined. You !--- can also use AAA for this function.

username cisco password 3USUcOPFUiMCO4Jk encrypted
no snmp-server location
no snmp-server contact
snmp-server enable traps snmp authentication linkup linkdown coldstart



!--- PHASE 2 CONFIGURATION ---! !--- The encryption types for Phase 2 are defined here. !--- A single DES encryption with !--- the md5 hash algorithm is used.

crypto ipsec transform-set mySET esp-des esp-md5-hmac


!--- Defines a dynamic crypto map with !--- the specified encryption settings.

crypto dynamic-map myDYN-MAP 5 set transform-set mySET


!--- Binds the dynamic map to the IPsec/ISAKMP process.

crypto map myMAP 60 ipsec-isakmp dynamic myDYN-MAP


!--- Specifies the interface to be used with !--- the settings defined in this configuration.

crypto map myMAP interface outside


!--- PHASE 1 CONFIGURATION ---! !--- This configuration uses isakmp policy 1. !--- Policy 65535 is included in the default !--- configuration. The configuration commands here define the Phase !--- 1 policies that are used.

isakmp enable outside
isakmp policy 1 authentication pre-share
isakmp policy 1 encryption des
isakmp policy 1 hash md5
isakmp policy 1 group 2
isakmp policy 1 lifetime 86400


isakmp policy 65535 authentication pre-share
isakmp policy 65535 encryption 3des
isakmp policy 65535 hash sha
isakmp policy 65535 group 2
isakmp policy 65535 lifetime 86400


!--- The tunnel-group commands bind the configurations !--- defined in this configuration to the tunnel that is !--- used for EasyVPN. This tunnel name is the one specified on the remote side.

tunnel-group mytunnel type ipsec-ra
tunnel-group mytunnel general-attributes
 default-group-policy myGROUP
tunnel-group mytunnel ipsec-attributes

!--- The pre-shared-key used here is "cisco".

 pre-shared-key *

telnet timeout 5
ssh timeout 5
console timeout 0
!
class-map inspection_default
 match default-inspection-traffic
!
!
policy-map global_policy
 class inspection_default
  inspect dns maximum-length 512
  inspect ftp
  inspect h323 h225
  inspect h323 ras
  inspect netbios
  inspect rsh
  inspect rtsp
  inspect skinny
  inspect esmtp
  inspect sqlnet
  inspect sunrpc
  inspect tftp
  inspect sip
  inspect xdmcp
!
service-policy global_policy global
Cryptochecksum:42123a94a33d8d10ae6a1505fb4ba653
: end
[OK]
ASA5520-704#

pix506-635#write terminal
Building configuration...
: Saved
:
PIX Version 6.3(5)

!--- Brings the interfaces out of a shutdown state.

interface ethernet0 auto
interface ethernet1 auto


!--- Assign the interface names.

nameif ethernet0 outside security0
nameif ethernet1 inside security100
enable password 8Ry2YjIyt7RRXU24 encrypted
passwd 2KFQnbNIdI.2KYOU encrypted
hostname pix506-635
domain-name cisco.com
fixup protocol dns maximum-length 512
fixup protocol ftp 21
fixup protocol h323 h225 1720
fixup protocol h323 ras 1718-1719
fixup protocol http 80
fixup protocol rsh 514
fixup protocol rtsp 554
fixup protocol sip 5060
fixup protocol sip udp 5060
fixup protocol skinny 2000
fixup protocol smtp 25
fixup protocol sqlnet 1521
fixup protocol tftp 69
names
pager lines 24
icmp permit any outside
mtu outside 1500
mtu inside 1500


!--- Assign the interface IP addresses.

ip address outside 10.10.10.1 255.255.255.0
ip address inside 172.16.1.1 255.255.255.0

ip audit info action alarm
ip audit attack action alarm
pdm history enable
arp timeout 14400


!--- Set the standard NAT configuration. !--- EasyVPN provides the NAT exceptions needed.

global (outside) 1 interface
nat (inside) 1 0.0.0.0 0.0.0.0 0 0


!--- Specify the default route.

route outside 0.0.0.0 0.0.0.0 10.10.10.2 1
timeout xlate 3:00:00
timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 rpc 0:10:00 h225 1:00:00
timeout h323 0:05:00 mgcp 0:05:00 sip 0:30:00 sip_media 0:02:00
timeout sip-disconnect 0:02:00 sip-invite 0:03:00
timeout uauth 0:05:00 absolute
aaa-server TACACS+ protocol tacacs+
aaa-server TACACS+ max-failed-attempts 3
aaa-server TACACS+ deadtime 10
aaa-server RADIUS protocol radius
aaa-server RADIUS max-failed-attempts 3
aaa-server RADIUS deadtime 10
aaa-server LOCAL protocol local
no snmp-server location
no snmp-server contact
snmp-server community public
no snmp-server enable traps
floodguard enable
telnet timeout 5
ssh timeout 5
console timeout 0


!--- EasyVPN Client Configuration ---! !--- Specify the IP address of the VPN server.

vpnclient server 10.20.20.1

!--- This example uses network extension mode.

vpnclient mode network-extension-mode

!--- Specify the group name and the pre-shared key.

vpnclient vpngroup mytunnel password ********

!--- Specify the authentication username and password.

vpnclient username cisco password ********

!---- After you issue this command, the tunnel is established.

vpnclient enable
terminal width 80
Cryptochecksum:1564fd62a9e4312020f51846bd1b3534
: end
[OK]
pix506-635#

Verify

Use this section to confirm that your configuration works properly.

The Output Interpreter Tool (registered customers only) (OIT) supports certain show commands. Use the OIT to view an analysis of show command output.

• PIX EasyVPN Server show Commands and Sample Output

• PIX EasyVPN Remote Hardware Client show Commands and Sample Output

PIX EasyVPN Server show Commands and Sample Output

• show crypto isakmp sa—Displays all current Internet Key Exchange (IKE) security associations (SA) at a peer.

  ASA5520-704#show crypto isakmp sa
  
  Active SA: 1
  Rekey SA: 0 (A tunnel will report 1 Active and 1 Rekey SA during rekey)
  Total IKE SA: 1
  
  1 IKE Peer: 10.10.10.1
  Type : user Role : responder
  Rekey : no State : AM_ACTIVE
  ASA5520-704#

• show crypto ipsec sa—Displays IPsec SAs built between peers.

  ASA5520-704#show crypto ipsec sa
  interface: outside
      Crypto map tag: myDYN-MAP, seq num: 5, local addr: 10.20.20.1
  
  local ident (addr/mask/prot/port): (172.22.1.0/255.255.255.0/0/0)
  remote ident (addr/mask/prot/port): (172.16.1.0/255.255.255.0/0/0)
  current_peer: 10.10.10.1, username: cisco
  dynamic allocated peer ip: 0.0.0.0
  
  #pkts encaps: 655, #pkts encrypt: 655, #pkts digest: 655
  #pkts decaps: 706, #pkts decrypt: 706, #pkts verify: 706
  #pkts compressed: 0, #pkts decompressed: 0
  #pkts not compressed: 655, #pkts comp failed: 0, #pkts decomp failed: 0
  #send errors: 0, #recv errors: 0
  
  local crypto endpt.: 10.20.20.1, remote crypto endpt.: 10.10.10.1
  
  path mtu 1500, ipsec overhead 60, media mtu 1500
  current outbound spi: 3EA12BBE
  
  inbound esp sas:
  spi: 0x9B94D824 (2610223140)
  transform: esp-des esp-md5-hmac
  in use settings ={RA, Tunnel, }
  slot: 0, conn_id: 4, crypto-map: myDYN-MAP
  sa timing: remaining key lifetime (sec): 25015
  IV size: 8 bytes
  replay detection support: Y
  outbound esp sas:
  spi: 0x3EA12BBE (1050749886)
  transform: esp-des esp-md5-hmac
  in use settings ={RA, Tunnel, }
  slot: 0, conn_id: 4, crypto-map: myDYN-MAP
  sa timing: remaining key lifetime (sec): 25011
  IV size: 8 bytes
  replay detection support: Y
  
  ASA5520-704#

PIX EasyVPN Remote Hardware Client show Commands and Sample Output

• vpnclient enable—Enables an EasyVPN remote connection. In Network Extension Mode (NEM), the tunnel is up even when there is no interesting traffic to be exchanged with the headend EasyVPN server.

  pix506-635(config)#vpnclient enable
  

• show crypto isakmp policy—Displays the parameters for each IKE policy.

  pix506-635#show crypto isakmp policy
  
  Default protection suite 
      encryption algorithm:   DES - Data Encryption Standard (56 bit keys). 
      hash algorithm:         Secure Hash Standard 
      authentication method:  Rivest-Shamir-Adleman Signature 
      Diffie-Hellman group:   #1 (768 bit) 
      lifetime:               86400 seconds, no volume limit

  This output shows the show crypto isakmp policy command after the hardware client is enabled.

  pix506-635(config)#show crypto isakmp policy 
  
  Protection suite of priority 65001 
       encryption algorithm:   AES - Advanced Encryption Standard (256 bit keys). 
       hash algorithm:         Secure Hash Standard 
       authentication method:  Pre-Shared Key with XAUTH 
       Diffie-Hellman group:   #2 (1024 bit) 
       lifetime:               86400 seconds, no volume limit 
  Protection suite of priority 65002 
       encryption algorithm:   AES - Advanced Encryption Standard (256 bit keys). 
       hash algorithm:         Message Digest 5 
       authentication method:  Pre-Shared Key with XAUTH 
       Diffie-Hellman group:   #2 (1024 bit) 
       lifetime:               86400 seconds, no volume limit 
  Protection suite of priority 65003 
       encryption algorithm:   AES - Advanced Encryption Standard (192 bit keys). 
       hash algorithm:         Secure Hash Standard 
       authentication method:  Pre-Shared Key with XAUTH 
       Diffie-Hellman group:   #2 (1024 bit) 
       lifetime:               86400 seconds, no volume limit 
  Protection suite of priority 65004 
       encryption algorithm:   AES - Advanced Encryption Standard (192 bit keys). 
       hash algorithm:         Message Digest 5 
       authentication method:  Pre-Shared Key with XAUTH 
       Diffie-Hellman group:   #2 (1024 bit) 
       lifetime:               86400 seconds, no volume limit 
  Protection suite of priority 65005 
       encryption algorithm:   AES - Advanced Encryption Standard (128 bit keys). 
       hash algorithm:         Secure Hash Standard 
       authentication method:  Pre-Shared Key with XAUTH 
       Diffie-Hellman group:   #2 (1024 bit) 
       lifetime:               86400 seconds, no volume limit 
  Protection suite of priority 65006 
       encryption algorithm:   AES - Advanced Encryption Standard (128 bit keys). 
       hash algorithm:         Message Digest 5 
       authentication method:  Pre-Shared Key with XAUTH 
       Diffie-Hellman group:   #2 (1024 bit) 
       lifetime:               86400 seconds, no volume limit 
  Protection suite of priority 65007 
       encryption algorithm:   Three key triple DES 
       hash algorithm:         Secure Hash Standard 
       authentication method:  Pre-Shared Key with XAUTH 
       Diffie-Hellman group:   #2 (1024 bit) 
       lifetime:               86400 seconds, no volume limit 
  Protection suite of priority 65008 
       encryption algorithm:   Three key triple DES 
       hash algorithm:         Message Digest 5 
       authentication method:  Pre-Shared Key with XAUTH 
       Diffie-Hellman group:   #2 (1024 bit) 
       lifetime:               86400 seconds, no volume limit 
  Protection suite of priority 65009 
       encryption algorithm:   DES - Data Encryption Standard (56 bit keys). 
       hash algorithm:         Message Digest 5 
       authentication method:  Pre-Shared Key with XAUTH 
       Diffie-Hellman group:   #2 (1024 bit) 
       lifetime:               86400 seconds, no volume limit 
  Protection suite of priority 65010 
       encryption algorithm:   AES - Advanced Encryption Standard (256 bit keys). 
       hash algorithm:         Secure Hash Standard 
       authentication method:  Pre-Shared Key 
       Diffie-Hellman group:   #2 (1024 bit) 
       lifetime:               86400 seconds, no volume limit 
  Protection suite of priority 65011 
       encryption algorithm:   AES - Advanced Encryption Standard (256 bit keys). 
       hash algorithm:         Message Digest 5 
       authentication method:  Pre-Shared Key 
       Diffie-Hellman group:   #2 (1024 bit) 
       lifetime:               86400 seconds, no volume limit 
  Protection suite of priority 65012 
       encryption algorithm:   AES - Advanced Encryption Standard (192 bit keys). 
       hash algorithm:         Secure Hash Standard 
       authentication method:  Pre-Shared Key 
       Diffie-Hellman group:   #2 (1024 bit) 
       lifetime:               86400 seconds, no volume limit 
  Protection suite of priority 65013 
       encryption algorithm:   AES - Advanced Encryption Standard (192 bit keys). 
       hash algorithm:         Message Digest 5 
       authentication method:  Pre-Shared Key 
       Diffie-Hellman group:   #2 (1024 bit) 
       lifetime:               86400 seconds, no volume limit 
  Protection suite of priority 65014 
       encryption algorithm:   AES - Advanced Encryption Standard (128 bit keys). 
       hash algorithm:         Secure Hash Standard 
       authentication method:  Pre-Shared Key 
       Diffie-Hellman group:   #2 (1024 bit) 
       lifetime:               86400 seconds, no volume limit 
  Protection suite of priority 65015 
       encryption algorithm:   AES - Advanced Encryption Standard (128 bit keys). 
       hash algorithm:         Message Digest 5 
       authentication method:  Pre-Shared Key 
       Diffie-Hellman group:   #2 (1024 bit) 
       lifetime:               86400 seconds, no volume limit 
  Protection suite of priority 65016 
       encryption algorithm:   Three key triple DES 
       hash algorithm:         Secure Hash Standard 
       authentication method:  Pre-Shared Key 
       Diffie-Hellman group:   #2 (1024 bit) 
       lifetime:               86400 seconds, no volume limit 
  Protection suite of priority 65017 
       encryption algorithm:   Three key triple DES 
       hash algorithm:         Message Digest 5 
       authentication method:  Pre-Shared Key 
       Diffie-Hellman group:   #2 (1024 bit) 
       lifetime:               86400 seconds, no volume limit 
  Protection suite of priority 65018 
       encryption algorithm:   DES - Data Encryption Standard (56 bit keys). 
       hash algorithm:         Message Digest 5 
       authentication method:  Pre-Shared Key 
       Diffie-Hellman group:   #2 (1024 bit) 
       lifetime:               86400 seconds, no volume limit

• show crypto isakmp sa—Displays all current IKE SAs at a peer.

  pix506-635#show crypto isakmp sa
  Total     : 1
  Embryonic : 0
          dst               src        state     pending     created
        10.20.20.1       10.10.10.1    QM_IDLE         0           4
  pix506-635#

• show crypto ipsec sa—Displays IPsec SAs built between peers.

  pix506-635#show crypto ipsec sa
  
  
  interface: outside
  Crypto map tag: _vpnc_cm, local addr. 10.10.10.1
  
  local ident (addr/mask/prot/port): (172.16.1.0/255.255.255.0/0/0)
  remote ident (addr/mask/prot/port): (172.22.1.0/255.255.255.0/0/0)
  current_peer: 10.20.20.1:500
  PERMIT, flags={origin_is_acl,}
  #pkts encaps: 706, #pkts encrypt: 706, #pkts digest 706
  #pkts decaps: 655, #pkts decrypt: 655, #pkts verify 655
  #pkts compressed: 0, #pkts decompressed: 0
  #pkts not compressed: 0, #pkts compr. failed: 0, #pkts decompress f ailed: 0
  #send errors 1, #recv errors 0
  
  local crypto endpt.: 10.10.10.1, remote crypto endpt.: 10.20.20.1
  path mtu 1500, ipsec overhead 56, media mtu 1500
  current outbound spi: 9b94d824
  
  inbound esp sas:
  spi: 0x3ea12bbe(1050749886)
  transform: esp-des esp-md5-hmac ,
  in use settings ={Tunnel, }
  slot: 0, conn id: 3, crypto map: _vpnc_cm
  sa timing: remaining key lifetime (k/sec): (4607941/24712)
  IV size: 8 bytes
  replay detection support: Y
  
  
  inbound ah sas:
  
  
  inbound pcp sas:
  
  
  outbound esp sas:
  spi: 0x9b94d824(2610223140)
  transform: esp-des esp-md5-hmac ,
  in use settings ={Tunnel, }
  slot: 0, conn id: 4, crypto map: _vpnc_cm
  sa timing: remaining key lifetime (k/sec): (4607958/24712)
  IV size: 8 bytes
  replay detection support: Y
  
  
  outbound ah sas:
  
  
  outbound pcp sas:

• show vpnclient—Displays VPN Client or EasyVPN remote device configuration information.

  pix506-635#show vpnclient
  
  LOCAL CONFIGURATION
  vpnclient server 10.20.20.1
  vpnclient mode network-extension-mode
  vpnclient vpngroup mytunnel password ********
  vpnclient username cisco password ********
  vpnclient enable
  
  DOWNLOADED DYNAMIC POLICY
  Current Server : 10.20.20.1
  PFS Enabled : No
  Secure Unit Authentication Enabled : No
  User Authentication Enabled : No
  Split Networks : 172.22.1.0/255.255.255.0
  Backup Servers : None
  
  pix506-635#

Troubleshoot

This section provides information you can use to troubleshoot your configuration.

If you have set up the EasyVPN remote hardware client and EasyVPN server as this document describes and you still experience problems, gather the debug output from each PIX and the output from the show commands for analysis by Cisco Technical Support. Also refer to Troubleshooting the PIX to Pass Data Traffic on an Established IPSec Tunnel or IP Security Troubleshooting - Understanding and Using debug Commands. Enable IPsec debugging on the PIX.

These sections display PIX debug commands and sample output.

• EasyVPN Server Commands

• EasyVPN Remote Hardware Client Commands

The Output Interpreter Tool (registered customers only) (OIT) supports certain show commands. Use the OIT to view an analysis of show command output.

Note: Refer to Important Information on Debug Commands before you use debug commands.

EasyVPN Server Commands

• debug crypto ipsec—Displays the IPsec negotiations of Phase 2.

• debug crypto isakmp—Displays the ISAKMP negotiations of Phase 1.

Sample output is shown here.

ASA5520-704#debug crypto ipsec 2
ASA5520-704#debug crypto isakmp 2
ASA5520-704# Sep 15 23:02:42 [IKEv1]: IP = 10.10.10.1, Connection landed 
on tunnel_group mytunnel
Sep 15 23:02:43 [IKEv1]: Group = mytunnel, Username = cisco, IP = 10.10.10.1, 
User (cisco) authenticated.
Sep 15 23:02:48 [IKEv1]: Group = mytunnel, Username = cisco, IP = 10.10.10.1, 
PHASE 1 COMPLETED
Sep 15 23:02:48 [IKEv1]: Group = mytunnel, Username = cisco, IP = 10.10.10.1, 
IKE: requesting SPI!
Sep 15 23:02:48 [IKEv1]: Group = mytunnel, Username = cisco, IP = 10.10.10.1, 
Security negotiation complete for User (cisco)  Responder, Inbound SPI = 0x436fbef1, 
Outbound SPI = 0x5c6b5137
Sep 15 23:02:48 [IKEv1]: Group = mytunnel, Username = cisco, IP = 10.10.10.1, 
IKE: requesting SPI!
Sep 15 23:02:48 [IKEv1]: Group = mytunnel, Username = cisco, IP = 10.10.10.1, 
Starting P2 Rekey timer to expire in 27360 seconds
Sep 15 23:02:48 [IKEv1]: Group = mytunnel, Username = cisco, IP = 10.10.10.1, 
PHASE 2 COMPLETED (msgid=dc3aa1ef)
Sep 15 23:02:48 [IKEv1]: Group = mytunnel, Username = cisco, IP = 10.10.10.1, 
Security negotiation complete for User (cisco)  Responder, Inbound SPI = 0x69352d74, 
Outbound SPI = 0x4a7e47fc
Sep 15 23:02:48 [IKEv1]: Group = mytunnel, Username = cisco, IP = 10.10.10.1, 
Starting P2 Rekey timer to expire in 27360 seconds
Sep 15 23:02:48 [IKEv1]: Group = mytunnel, Username = cisco, IP = 10.10.10.1, 
PHASE 2 COMPLETED (msgid=58a397ad)

EasyVPN Remote Hardware Client Commands

• debug crypto ipsec—Displays the IPsec negotiations of Phase 2.

• debug crypto isakmp—Displays the ISAKMP negotiations of Phase 1.

  pix506-635(config)#vpnclient enable
  
  ISAKMP (0): ID payload
  next-payload : 13
  type : 11
  protocol : 17
  port : 0
  length : 12pix506-635(config)#
  ISAKMP (0): Total payload length: 16
  ISAKMP (0:0): sending NAT-T vendor ID - rev 2 & 3
  ISAKMP (0): beginning Aggressive Mode exchange
  crypto_isakmp_process_block:src:10.20.20.1, dest:10.10.10.1 spt:500 dpt:500
  OAK_AG exchange
  ISAKMP (0): processing SA payload. message ID = 0
  
  ISAKMP (0): Checking ISAKMP transform 9 against priority 65001 policy
  ISAKMP: encryption DES-CBC
  ISAKMP: hash MD5
  ISAKMP: default group 2
  ISAKMP: extended auth pre-share (init)
  ISAKMP: life type in seconds
  ISAKMP: life duration (VPI) of 0x0 0x1 0x51 0x80
  ISAKMP (0): atts are not acceptable. Next payload is 0
  ISAKMP (0): Checking ISAKMP transform 9 against priority 65002 policy
  ISAKMP: encryption DES-CBC
  ISAKMP: hash MD5
  ISAKMP: default group 2
  ISAKMP: extended auth pre-share (init)
  ISAKMP: life type in seconds
  ISAKMP: life duration (VPI) of 0x0 0x1 0x51 0x80
  ISAKMP (0): atts are not acceptable. Next payload is 0
  ISAKMP (0): Checking ISAKMP transform 9 against priority 65003 policy
  ISAKMP: encryption DES-CBC
  ISAKMP: hash MD5
  ISAKMP: default group 2
  ISAKMP: extended auth pre-share (init)
  ISAKMP: life type in seconds
  ISAKMP: life duration (VPI) of 0x0 0x1 0x51 0x80
  ISAKMP (0): atts are not acceptable. Next payload is 0
  ISAKMP (0): Checking ISAKMP transform 9 against priority 65004 policy
  ISAKMP: encryption DES-CBC
  ISAKMP: hash MD5
  ISAKMP: default group 2
  ISAKMP: extended auth pre-share (init)
  ISAKMP: life type in seconds
  ISAKMP: life duration (VPI) of 0x0 0x1 0x51 0x80
  ISAKMP (0): atts are not acceptable. Next payload is 0
  ISAKMP (0): Checking ISAKMP transform 9 against priority 65005 policy
  ISAKMP: encryption DES-CBC
  ISAKMP: hash MD5
  ISAKMP: default group 2
  ISAKMP: extended auth pre-share (init)
  ISAKMP: life type in seconds
  ISAKMP: life duration (VPI) of 0x0 0x1 0x51 0x80
  ISAKMP (0): atts are not acceptable. Next payload is 0
  ISAKMP (0): Checking ISAKMP transform 9 against priority 65006 policy
  ISAKMP: encryption DES-CBC
  ISAKMP: hash MD5
  ISAKMP: default group 2
  ISAKMP: extended auth pre-share (init)
  ISAKMP: life type in seconds
  ISAKMP: life duration (VPI) of 0x0 0x1 0x51 0x80
  ISAKMP (0): atts are not acceptable. Next payload is 0
  ISAKMP (0): Checking ISAKMP transform 9 against priority 65007 policy
  ISAKMP: encryption DES-CBC
  ISAKMP: hash MD5
  ISAKMP: default group 2
  ISAKMP: extended auth pre-share (init)
  ISAKMP: life type in seconds
  ISAKMP: life duration (VPI) of 0x0 0x1 0x51 0x80
  ISAKMP (0): atts are not acceptable. Next payload is 0
  ISAKMP (0): Checking ISAKMP transform 9 against priority 65008 policy
  ISAKMP: encryption DES-CBC
  ISAKMP: hash MD5
  ISAKMP: default group 2
  ISAKMP: extended auth pre-share (init)
  ISAKMP: life type in seconds
  ISAKMP: life duration (VPI) of 0x0 0x1 0x51 0x80
  ISAKMP (0): atts are not acceptable. Next payload is 0
  ISAKMP (0): Checking ISAKMP transform 9 against priority 65009 policy
  ISAKMP: encryption DES-CBC
  ISAKMP: hash MD5
  ISAKMP: default group 2
  ISAKMP: extended auth pre-share (init)
  ISAKMP: life type in seconds
  ISAKMP: life duration (VPI) of 0x0 0x1 0x51 0x80
  ISAKMP (0): atts are acceptable. Next payload is 0
  ISAKMP (0): processing KE payload. message ID = 0
  
  ISAKMP (0): processing NONCE payload. message ID = 0
  
  ISAKMP (0): processing ID payload. message ID = 0
  ISAKMP (0): processing HASH payload. message ID = 0
  crypto_isakmp_process_block:src:10.20.20.1, dest:10.10.10.1 spt:500 dpt:500
  crypto_isakmp_process_block:src:10.20.20.1, dest:10.10.10.1 spt:500 dpt:500
  ISAKMP : attributes being requested
  
  crypto_isakmp_process_block:src:10.20.20.1, dest:10.10.10.1 spt:500 dpt:500
  ISAKMP (0): beginning Quick Mode exchange, M-ID of 1567562998:5d6f1cf6IPSEC
  (key_engine): got a queue event...
  IPSEC(spi_response): getting spi 0x411cf95(68276117) for SA
  from 10.20.20.1 to 10.10.10.1 for prot 3
  
  crypto_isakmp_process_block:src:10.20.20.1, dest:10.10.10.1 spt:500 dpt:500
  OAK_QM exchange
  oakley_process_quick_mode:
  OAK_QM_IDLE
  ISAKMP (0): processing SA payload. message ID = 1567562998
  
  ISAKMP : Checking IPSec proposal 1
  
  ISAKMP: transform 1, ESP_DES
  ISAKMP: attributes in transform:
  ISAKMP: SA life type in seconds
  ISAKMP: SA life duration (basic) of 28800
  ISAKMP: SA life type in kilobytes
  ISAKMP: SA life duration (VPI) of 0x0 0x46 0x50 0x0
  ISAKMP: encaps is 1
  ISAKMP: authenticator is HMAC-MD5
  ISAKMP (0): atts are acceptable.IPSEC(validate_proposal_request): 
  proposal part #1,
  (key eng. msg.) dest= 10.20.20.1, src= 10.10.10.1,
  dest_proxy= 172.22.1.0/255.255.255.0/0/0 (type=4),
  src_proxy= 10.10.10.1/255.255.255.255/0/0 (type=1),
  protocol= ESP, transform= esp-des esp-md5-hmac ,
  lifedur= 0s and 0kb,
  spi= 0x0(0), conn_id= 0, keysize= 0, flags= 0x4
  
  ISAKMP (0): processing NONCE payload. message ID = 1567562998
  
  ISAKMP (0): processing ID payload. message ID = 1567562998
  ISAKMP (0): processing ID payload. message ID = 1567562998
  ISAKMP (0): Creating IPSec SAs
  inbound SA from 10.20.20.1 to 10.10.10.1 (proxy 172.22.1.0 to 10.10.10.1)
  has spi 68276117 and conn_id 5 and flags 4
  lifetime of 28800 seconds
  lifetime of 4608000 kilobytes
  outbound SA from 10.10.10.1 to 10.20.20.1 (proxy 10.10.10.1 to 172.22.1.0)
  has spi 418090151 and conn_id 6 and flags 4
  lifetime of 28800 seconds
  lifetime of 4608000 kilobytesIPSEC(key_engine): got a queue event...
  IPSEC(initialize_sas): ,
  (key eng. msg.) dest= 10.10.10.1, src= 10.20.20.1,
  dest_proxy= 10.10.10.1/255.255.255.255/0/0 (type=1),
  src_proxy= 172.22.1.0/255.255.255.0/0/0 (type=4),
  protocol= ESP, transform= esp-des esp-md5-hmac ,
  lifedur= 28800s and 4608000kb,
  spi= 0x411cf95(68276117), conn_id= 5, keysize= 0, flags= 0x4
  IPSEC(initialize_sas): ,
  (key eng. msg.) src= 10.10.10.1, dest= 10.20.20.1,
  src_proxy= 10.10.10.1/255.255.255.255/0/0 (type=1),
  dest_proxy= 172.22.1.0/255.255.255.0/0/0 (type=4),
  protocol= ESP, transform= esp-des esp-md5-hmac ,
  lifedur= 28800s and 4608000kb,
  spi= 0x18eb8ca7(418090151), conn_id= 6, keysize= 0, flags= 0x4
  
  VPN Peer: IPSEC: Peer ip:10.20.20.1/500 Ref cnt incremented to:2 
  Total VPN Peers:1
  VPN Peer: IPSEC: Peer ip:10.20.20.1/500 Ref cnt incremented to:3 
  Total VPN Peers:1
  return status is IKMP_NO_ERROR
  ISAKMP (0): beginning Quick Mode exchange, 
  M-ID of 43279810:29465c2IPSEC(key_engine): got a queue event...
  IPSEC(spi_response): getting spi 0xa12022dd(2703237853) for SA
  from 10.20.20.1 to 10.10.10.1 for prot 3
  
  crypto_isakmp_process_block:src:10.20.20.1, dest:10.10.10.1 spt:500 dpt:500
  OAK_QM exchange
  oakley_process_quick_mode:
  OAK_QM_IDLE
  ISAKMP (0): processing SA payload. message ID = 43279810
  
  ISAKMP : Checking IPSec proposal 1
  
  ISAKMP: transform 1, ESP_DES
  ISAKMP: attributes in transform:
  ISAKMP: SA life type in seconds
  ISAKMP: SA life duration (basic) of 28800
  ISAKMP: SA life type in kilobytes
  ISAKMP: SA life duration (VPI) of 0x0 0x46 0x50 0x0
  ISAKMP: encaps is 1
  ISAKMP: authenticator is HMAC-MD5
  ISAKMP (0): atts are acceptable.IPSEC(validate_proposal_request): proposal 
  part #1,
  (key eng. msg.) dest= 10.20.20.1, src= 10.10.10.1,
  dest_proxy= 10.20.20.1/255.255.255.255/0/0 (type=1),
  src_proxy= 10.10.10.1/255.255.255.255/0/0 (type=1),
  protocol= ESP, transform= esp-des esp-md5-hmac ,
  lifedur= 0s and 0kb,
  spi= 0x0(0), conn_id= 0, keysize= 0, flags= 0x4
  
  ISAKMP (0): processing NONCE payload. message ID = 43279810
  
  ISAKMP (0): processing ID payload. message ID = 43279810
  ISAKMP (0): processing ID payload. message ID = 43279810
  ISAKMP (0): Creating IPSec SAs
  inbound SA from 10.20.20.1 to 10.10.10.1 (proxy 10.20.20.1 to 10.10.10.1)
  has spi 2703237853 and conn_id 3 and flags 4
  lifetime of 28800 seconds
  lifetime of 4608000 kilobytes
  outbound SA from 10.10.10.1 to 10.20.20.1 (proxy 10.10.10.1 to 10.20.20.1)
  has spi 1010314457 and conn_id 4 and flags 4
  lifetime of 28800 seconds
  lifetime of 4608000 kilobytesIPSEC(key_engine): got a queue event...
  IPSEC(initialize_sas): ,
  (key eng. msg.) dest= 10.10.10.1, src= 10.20.20.1,
  dest_proxy= 10.10.10.1/255.255.255.255/0/0 (type=1),
  src_proxy= 10.20.20.1/255.255.255.255/0/0 (type=1),
  protocol= ESP, transform= esp-des esp-md5-hmac ,
  lifedur= 28800s and 4608000kb,
  spi= 0xa12022dd(2703237853), conn_id= 3, keysize= 0, flags= 0x4
  IPSEC(initialize_sas): ,
  (key eng. msg.) src= 10.10.10.1, dest= 10.20.20.1,
  src_proxy= 10.10.10.1/255.255.255.255/0/0 (type=1),
  dest_proxy= 10.20.20.1/255.255.255.255/0/0 (type=1),
  protocol= ESP, transform= esp-des esp-md5-hmac ,
  lifedur= 28800s and 4608000kb,
  spi= 0x3c382cd9(1010314457), conn_id= 4, keysize= 0, flags= 0x4
  
  VPN Peer: IPSEC: Peer ip:10.20.20.1/500 Ref cnt incremented to:4 Total 
  VPN Peers:1
  VPN Peer: IPSEC: Peer ip:10.20.20.1/500 Ref cnt incremented to:5 Total 
  VPN Peers:1
  return status is IKMP_NO_ERROR
  ISAKMP (0): sending NOTIFY message 36136 protocol 1
  crypto_isakmp_process_block:src:10.20.20.1, dest:10.10.10.1 spt:500 dpt:500
  ISAKMP (0): processing NOTIFY payload 36137 protocol 1
  spi 0, message ID = 1608818011
  ISAMKP (0): received DPD_R_U_THERE_ACK from peer 10.20.20.1
  return status is IKMP_NO_ERR_NO_TRANS
  pix506-635(config)#

• debug vpnclient—Displays the negotiations specific to the VPN Client.

  pix506-635(config)#vpnclient enable
  pix506-635(config)# 44: VPNC CFG: transform set unconfig attempt done
  45: VPNC CLI: no isakmp keepalive 10 5
  46: VPNC CLI: no isakmp nat-traversal 20
  47: VPNC CFG: IKE unconfig successful
  48: VPNC CLI: no crypto map _vpnc_cm
  49: VPNC CFG: crypto map deletion attempt done
  50: VPNC CFG: crypto unconfig successful
  51: VPNC CLI: no global (outside) 65001
  52: VPNC CLI: no nat (inside) 0 access-list _vpnc_acl
  53: VPNC CFG: nat unconfig attempt failed
  54: VPNC CLI: no http 172.16.1.1 255.255.255.0 inside
  55: VPNC CLI: no http server enable
  56: VPNC CLI: no access-list _vpnc_acl
  57: VPNC CFG: ACL deletion attempt failed
  58: VPNC CLI: no crypto map _vpnc_cm interface outside
  59: VPNC CFG: crypto map de/attach failed
  60: VPNC CLI: no sysopt connection permit-ipsec
  61: VPNC CLI: sysopt connection permit-ipsec
  62: VPNC CFG: transform sets configured
  63: VPNC CFG: crypto config successful
  64: VPNC CLI: isakmp keepalive 10 5
  65: VPNC CLI: isakmp nat-traversal 20
  66: VPNC CFG: IKE config successful
  67: VPNC CLI: http 172.16.1.1 255.255.255.0 inside
  68: VPNC CLI: http server enable
  69: VPNC CLI: aaa-server _vpnc_nwp_server protocol tacacs+
  70: VPNC CLI: aaa-server _vpnc_nwp_server (outside) host 10.20.20.1
  71: VPNC CLI: access-list _vpnc_nwp_acl permit ip any 172.22.1.0 255.255.255.0
  72: VPNC CLI: aaa authentication match _vpnc_nwp_acl outbound _vpnc_nwp_server
  73: VPNC CLI: no access-list _vpnc_acl
  74: VPNC CFG: ACL deletion attempt failed
  75: VPNC CLI: access-list _vpnc_acl permit ip host 10.10.10.1 host 10.20.20.1
  76: VPNC CLI: crypto map _vpnc_cm 10 match address _vpnc_acl
  77: VPNC CFG: crypto map acl update successful
  78: VPNC CLI: no crypto map _vpnc_cm interface outside
  79: VPNC CLI: crypto map _vpnc_cm interface outside
  80: VPNC INF: IKE trigger request done
  81: VPNC INF: Constructing policy download req
  82: VPNC INF: Packing attributes for policy request
  83: VPNC INF: Attributes being requested
  84: VPNC ATT: ALT_SPLIT_INCLUDE
  85: VPNC INF:   172.22.1.0/255.255.255.0
  86: VPNC ATT: ALT_PFS: 0
  87: VPNC INF: Received application version 'Cisco Systems, Inc 
  ASA5520 Version 7.0(4) built by builders on Thu 13-Oct-05 21:43'
  88: VPNC ATT: ALT_CFG_SEC_UNIT: 0
  89: VPNC ATT: ALT_CFG_USER_AUTH: 0
  90: VPNC CLI: no aaa authentication match _vpnc_nwp_acl outbound _vpnc_nwp_server
  91: VPNC CLI: no access-list _vpnc_nwp_acl permit ip any 172.22.1.0 255.255.255.0
  92: VPNC CLI: no aaa-server _vpnc_nwp_server
  93: VPNC CLI: no access-list _vpnc_acl
  94: VPNC CLI: access-list _vpnc_acl permit ip 172.16.1.0 255.255.255.0 
  172.22.1.0 255.255.255.0
  95: VPNC CLI: access-list _vpnc_acl permit ip host 10.10.10.1 172.22.1.0 
  255.255.255.0
  96: VPNC CLI: access-list _vpnc_acl permit ip host 10.10.10.1 host 10.20.20.1
  97: VPNC CFG: _vpnc_acl ST define done
  98: VPNC CFG: Split DNS config attempt done
  99: VPNC CLI: crypto map _vpnc_cm 10 match address _vpnc_acl
  100: VPNC CFG: crypto map acl update successful
  101: VPNC CLI: no crypto map _vpnc_cm interface outside
  102: VPNC CLI: crypto map _vpnc_cm interface outside
  103: VPNC CLI: no global (outside) 65001
  104: VPNC CLI: no nat (inside) 0 access-list _vpnc_acl
  105: VPNC CFG: nat unconfig attempt failed
  106: VPNC CLI: nat (inside) 0 access-list _vpnc_acl
  107: VPNC INF: IKE trigger request done
  108: VPNC INF: IKE trigger request done
  
  pix506-635(config)#

Related Information

• Cisco PIX Firewall Software
• Cisco Secure PIX Firewall Command References
• Security Product Field Notices (including PIX)
• Requests for Comments (RFCs)
• IPsec Negotiation/IKE Protocols
• Technical Support & Documentation - Cisco Systems