Вот конфиги девайсов:

Пикс:
PIX Version 7.2(2)
!
hostname pixfirewall
enable password 8Ry2YjIyt7RRXU24 encrypted
names
!
interface Ethernet0
nameif inside
security-level 100
ip address 10.1.1.1 255.255.255.0
!
interface Ethernet1
nameif outside
security-level 0
ip address 192.168.1.1 255.255.255.0
!
passwd 2KFQnbNIdI.2KYOU encrypted
ftp mode passive

access-list PING extended permit ip any any

pager lines 24
mtu inside 1500
mtu outside 1500
no failover
icmp unreachable rate-limit 1 burst-size 1
no asdm history enable
arp timeout 14400
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 mgcp-pat 0:05:00
timeout sip 0:30:00 sip_media 0:02:00 sip-invite 0:03:00 sip-disconnect 0:02:00
timeout uauth 0:05:00 absolute
no snmp-server location
no snmp-server contact
snmp-server enable traps snmp authentication linkup linkdown coldstart

crypto ipsec transform-set SET esp-des esp-md5-hmac
crypto ipsec security-association lifetime seconds 3600

crypto map MAP 10 set peer 192.168.2.1
crypto map MAP 10 set transform-set SET
crypto map MAP interface outside

crypto isakmp identity address
crypto isakmp enable outside
crypto isakmp policy 100
authentication pre-share
encryption 3des
hash md5
group 2
lifetime 86400
tunnel-group 192.168.2.1 type ipsec-l2l
tunnel-group 192.168.2.1 ipsec-attributes
pre-shared-key *
telnet timeout 5
ssh timeout 5
console timeout 0
!
class-map inspection_default
match default-inspection-traffic
!
!
policy-map type inspect dns preset_dns_map
parameters
  message-length maximum 512
policy-map global_policy
class inspection_default
  inspect dns preset_dns_map
  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
prompt hostname context

Роутер:
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname Router
!
boot-start-marker
boot-end-marker
!
!
no aaa new-model
!
!
ip cef
!
!
!
multilink bundle-name authenticated
!
!        
voice-card 0
no dspfarm
!
!
!
vtp domain FILIAL
vtp mode transparent
!
!
!
crypto isakmp policy 100
encr 3des
hash md5
authentication pre-share
group 2
crypto isakmp key 123 address 192.168.1.1
!
!
crypto ipsec transform-set SET esp-des esp-md5-hmac
!
crypto map MAP 10 ipsec-isakmp
set peer 192.168.1.1
set transform-set SET
match address 100
!
!
!
!
!        
interface FastEthernet0/0
ip address 10.2.2.1 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet0/1
ip address 192.168.2.1 255.255.255.0
duplex auto
speed auto
crypto map MAP
!
interface GigabitEthernet0/0/0
no ip address
shutdown
negotiation auto
!
!
!
access-list 100 permit ip any any