Unable to Ping ISP Gateway
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01-03-2014 08:54 PM - edited 03-07-2019 05:22 PM
I am configuring a secondary router (cisco 1841) and I can't seem to ping my ISP gateway. I have my Cable modem connected to my HP Procurve switch and configured with its own vlan. Then I have my firewall and router connected to the swtich, again on the same vlan as the modem. Each device has it's own static IP address (i have five from my ISP)...the firewall works just fine, but the router is not able to ping out to any IP address. I can ping from my LAN just fine.
What did I do wrong?
Router#show run
Building configuration...
Current configuration : 1848 bytes
!
version 12.4
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
!
hostname Router
!
boot-start-marker
boot system usbflash0:c1841-advipservicesk9-mz.124-12.bin
boot-end-marker
!
!
no aaa new-model
ip cef
!
!
!
!
ip name-server 192.168.1.250
ip name-server 68.105.28.16
ip name-server 68.105.29.16
ip name-server 8.8.8.8
ip name-server 8.8.4.4
!
!
!
!
!
!
!
!
interface FastEthernet0/0
ip address 192.168.1.6 255.255.255.0
duplex auto
speed auto
!
interface FastEthernet0/1
ip address 24.234.XXX.XXX 255.255.255.224
duplex auto
speed auto
!
ip route 0.0.0.0 0.0.0.0 24.234.191.225
!
!
no ip http server
no ip http secure-server
!
snmp-server community public RW
snmp-server location Las Vegas, NV, USA
snmp-server contact Jonathan Wood - Network Admin
snmp-server chassis-id Cisco1841-Router
snmp-server enable traps snmp linkdown linkup coldstart warmstart
snmp-server host 192.168.1.155 version 2c public
!
!
!
!
control-plane
!
!
!
line con 0
line aux 0
line vty 0 4
login
!
scheduler allocate 20000 1000
end
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01-04-2014 07:16 AM
From the router can you try and ping 24.234.191.225 and then post the results of a show arp?
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01-04-2014 07:26 AM
You have masked the IP on the interface, but is that IP and the ISP gateway on a common subnet?
Also it's a good idea to secure your passwords!
Martin - CCNA
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04-16-2016 12:17 AM
Hi bro, did you solve this issue, in searching I found this I getting similar issue, can't ping to my ISP GW IP, if you have the solution and like to help pls, drop a line to my mail smzaman28@gmail.com. I will send you my configuration file.
Thanks
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04-16-2016 04:47 AM
As above, can you ping it via the router?
Happy to take a look at your configuration.
Martin
