Hi,
My friend built a network like:
[Inside Lan192.168.1.0/24]---cisco2620---ISDN--[Outside]
When he ping sites outside, the first packet can reach, but the
packets follow will fail to go out. The records in NAT table is:
inside global 61.133.134.148:256
inside local 192.168.1.1:256
outside local 202.108.41.2:256
outside global 202.108.41.2:256
I cann't help him. So I ask
help here.
His configure file is:
service timestamps debug uptime
service timestamps log uptime
service password-encryption
no service tcp-small-servers
no service udp-small-servers
hostname c2620
!
enable password 54jfdj
!
no ip name-server
!
isdn switch-type basic-5ess
!
ip subnet-zero
no ip domain-lookup
ip routing
!
interface Dialer 1
description connected to Internet
ip address negotiated
ip nat outside
no ip split-horizon
encapsulation ppp
dialer in-band
dialer idle-timeout 300
dialer string 163
dialer hold-queue 10
dialer-group 1
ppp authentication chap pap callin
ppp chap hostname "163"
ppp chap password "163"
ppp pap sent-username "163" password "163"
ppp multilink
no cdp enable
!
interface Ethernet 0
no shutdown
description connected to EthernetLAN
ip address 192.168.1.254
ip nat inside
keepalive 10
!
interface BRI 0
no shutdown
description connected to Internet
no ip address
ip nat outside
dialer rotary-group 1
!
!
! Dialer Control List 1
!
dialer-list 1 protocol ip permit
!
! Dynamic NAT
!
ip nat translation timeout 86400
ip nat translation tcp-timeout 86400
ip nat translation udp-timeout 300
ip nat translation dns-timeout 60
ip nat translation finrst-timeout 60
ip nat inside source list 1 interface Dialer 1 overload
!
router rip
version 2
network 192.168.1.0
passive-interface Dialer 1
no auto-summary
!
!
ip classless
!
! IP Static Routes
ip route 0.0.0.0 0.0.0.0 Dialer 1
no ip http server
snmp-server community public RO
no snmp-server location
no snmp-server contact
!
Xu,Hai CCNA
Network Center, SysAdmin
Univ. of Sci. & Tech. of China
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