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router not routing

 
 
GC
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      01-21-2004
Hi-
I have an 831 that gets its external IP through DHCP and it doesn't seem to
be routing traffic from the internal int to the external one. Here is my
config, can anyone see anything that would prevent this? Thanks!

RTR01#ping 4.2.2.2

Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 4.2.2.2, timeout is 2 seconds:
......
Success rate is 0 percent (0/5)
RTR01#




Building configuration...

Current configuration : 1327 bytes
!
version 12.2
no service pad
service timestamps debug uptime
service timestamps log uptime
service password-encryption
!
hostname RTR01
!
enable password 7 @@@@@@@
!
ip subnet-zero
no ip domain lookup
ip dhcp excluded-address 192.168.3.1 192.168.3.99
ip dhcp excluded-address 192.168.3.201 192.168.3.255
!
ip dhcp pool 192.168.3.0/24
network 192.168.3.0 255.255.255.0
default-router 192.168.3.1
dns-server 65.83.241.167 65.83.241.165
!
ip audit notify log
ip audit po max-events 100
!
!
!
!
interface Ethernet0
description Connected to local LAN
ip address 192.168.3.1 255.255.255.0
no ip route-cache
no ip mroute-cache
no cdp enable
!
interface Ethernet1
description Connected to the Internet
ip address dhcp
ip nat outside
no ip route-cache
no ip mroute-cache
no cdp enable
!
ip classless
ip route 0.0.0.0 0.0.0.0 Ethernet1
ip http server
!
!
access-list 102 permit ip 192.0.0.0 0.255.255.255 any
no cdp run
no snmp-server enable traps tty
!
line con 0
exec-timeout 0 0
password 7 @@@@@@@
login
no modem enable
stopbits 1
line aux 0
login local
stopbits 1
line vty 0 4
exec-timeout 120 0
password 7 @@@@@@@
login local
length 0
!
scheduler max-task-time 5000
end


 
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KR
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Posts: n/a
 
      01-22-2004
GC wrote:
> Hi-
> I have an 831 that gets its external IP through DHCP and it doesn't seem to
> be routing traffic from the internal int to the external one. Here is my
> config, can anyone see anything that would prevent this? Thanks!


I see no "ip nat inside" on eth0, nor any "ip nat" statement that would
cause the router to NAT traffic from the internal LAN behind the valid
address on eth1.

Also, access list 102 is a bit weird, as it refers to 192.0.0.0/8, a
supernet containing both valid and nonroutable addresses. On the other
hand, that access list isn't actually used anywhere.

Anyway, you should still be able to ping from the router console. Does
"sh int eth1" confirm that you have been given an IP address via DHCP?
Have you tried traceroute?

 
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