Cisco 2821
Такая конфигурация:

Current configuration : 1518 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname Radar-ITC
!
boot-start-marker
boot system flash c2800nm-adventerprisek9-mz.124-24.T7.bin
boot-end-marker
!
! card type command needed for slot/vwic-slot 0/0
logging message-counter syslog
!
aaa new-model
!
!
aaa authentication login default local
!
!
aaa session-id common
clock timezone Kazan 4
!
dot11 syslog
ip source-route
!
!
ip cef
!
!
ip domain name radar.kazan.itc
ip name-server 8.8.8.8
ip name-server 4.2.2.2
ip name-server 208.67.222.222
no ipv6 cef
!
multilink bundle-name authenticated
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
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!
!
!
!
!
!
voice-card 0
!
!
!
!
!
archive
log config
  hidekeys
!
!
!
!
!
ip ssh version 1
!
!
!
!
interface GigabitEthernet0/0
ip address 1.1.1.2 255.255.255.248
ip nat outside
ip virtual-reassembly
duplex auto
speed auto
!
interface GigabitEthernet0/1
ip address 10.0.2.1 255.255.255.0
ip nat inside
ip virtual-reassembly
duplex auto
speed auto
!
ip forward-protocol nd
ip route 0.0.0.0 0.0.0.0 1.1.1.1
ip http server
no ip http secure-server
!
!
ip dns server
ip nat inside source list 1 interface GigabitEthernet0/0 overload
!
access-list 1 permit any
!
!
!
!
!
!
control-plane
!
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!
!
line con 0
line aux 0
line vty 0 4
exec-timeout 60 0
transport input telnet ssh
!
scheduler allocate 20000 1000
end

Вроде все стандартно, делаю пинг:
ping ya.ru source 10.0.2.1

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 77.88.21.3, timeout is 2 seconds:
Packet sent with a source address of 10.0.2.1
.....
Success rate is 0 percent (0/5)

Непроходит, в чем может быть дело?