>> line vty 0 4
>>  access-class 23 in
>>  exec-timeout 60 0
>>  privilege level 3
>>  password 7 0251510B52575D781A
>>  logging synchronous
>>  transport input ssh
> absolute-timeout 60
> и еще можете увеличить session-limit (количество сессий)
> а что б уж точно наверняка, когда зайдете, посмотрите заняты ли сессии.

Спасибо за ответ !!!!!!

>>sh run

Current configuration : 2234 bytes
!
version 12.2
service timestamps debug datetime msec
service timestamps log datetime msec
service password-encryption
!
hostname alterra
!
aaa new-model
!
!
aaa session-id common
enable secret 5 $1$IkVQ$.hzRguNQuMIaYOrDn9Yxa0
enable password 7 070C285F4D064B534742
!
username test privilege 3 secret 5 $1$pNJm$Hqajr5eQfp5C0c.SffXmC.
username admin privilege 3 secret 5 $1$rEam$J85fBSfF4mqlRf2xn2kVX1
ip subnet-zero
no ip routing
!
!
ip domain name alterra.su
ip name-server 87.241.226.3
ip name-server 87.241.223.68
ip dhcp excluded-address 192.168.1.1 192.168.1.30
!        
ip dhcp pool office
   network 192.168.1.0 255.255.255.0
   dns-server 87.241.226.3 87.241.223.68
   default-router 192.168.1.1
!        
vpdn enable
!        
vpdn-group 1
! Default PPTP VPDN group
accept-dialin
  protocol pptp
  virtual-template 1
!        
!        
!        
!        
voice call carrier capacity active
!        
!        
!        
!        
!        
!        
!        
!        
!        
mta receive maximum-recipients 0
!        
!        
!        
!        
interface FastEthernet0/0
ip address 46.52.217.114 255.255.255.252
ip nat outside
no ip route-cache
no ip mroute-cache
duplex auto
speed auto
no cdp enable
!        
interface FastEthernet0/1
ip address 192.168.1.1 255.255.255.0
ip nat inside
no ip route-cache
no ip mroute-cache
duplex auto
speed auto
no cdp enable
!        
interface Virtual-Template1
ip unnumbered FastEthernet0/0
no ip route-cache
no keepalive
peer default ip address pool test
ppp encrypt mppe 40
ppp bridge ip
ppp authentication chap ms-chap userppp
!        
ip local pool test 192.168.1.40 192.168.1.50
ip nat inside source list NAT interface FastEthernet0/0 overload
ip nat inside source static tcp 192.168.1.245 81 46.52.217.114 47111 extendable
ip classless
ip route 0.0.0.0 0.0.0.0 46.52.217.113
no ip http server
!        
!        
ip access-list extended NAT
permit ip 192.168.1.0 0.0.0.255 any
ip access-list extended protocol
!        
access-list 23 permit 192.168.0.0 0.0.0.255
no cdp run
!        
snmp-server community STAT RO
snmp-server enable traps tty
call rsvp-sync
!        
!        
mgcp profile default
!        
dial-peer cor custom
!        
!        
!        
!        
!        
line con 0
password 7 14161E1F0916382A
line aux 0
line vty 0 4
access-class 23 in
exec-timeout 0 0
privilege level 3
password 7 0251510B52575D781A
absolute-timeout 60
session-limit 10
logging synchronous
transport input ssh
!        
!        
end      
  

выдает сообщение "The remote system refused the connection. This probably
means that the remote system does not provide the service you are attempting
to access , or that the service is being provided on a different port."

смысл понят а что конкретно в конфиге не камельфо ?