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Cisco 4506 IP Routing not enabling

Posted on 2014-03-07
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Last Modified: 2014-03-15
I am trying to configure a Cisco 4506 with software 12.2(37)SG1 to route IP traffic. When I type the ip routing command, it seems to take it with no complaints, but then it does not show up in the config. Since I cannot ping between internal interfaces, I assume it is not really routing. How can I get the ip routing to stick? Attached is the current config
cisco-current.txt
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Question by:drichman
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by:naderz
ID: 39913942
Please post result of " show ip route" and " show ip interface brief" commands and also tell which interfaces are you using for the ping test?

Are you able to telnet to the switch? If yes, from which interfaces?
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by:Don Johnston
ID: 39914084
starting back around v11.0 "ip routing" is a default configuration. So it will not show in the config.

How are you pinging "between internal interfaces"?
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Author Comment

by:drichman
ID: 39914132
I was attempting to ping any of the interface IP's via the console cable. Also, i attempted to plug into one of the 208 ports but was not able to pick up a DHCP address (so I assumed it might have to do with the routing)
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by:Don Johnston
ID: 39914139
If the DHCP server isn't on VLAN 208, you'll need an ip helper-address pointing to the server.

As for pinging an SVI (VLAN interface), if there are no active ports in the VLAN, the SVI will not be up.
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by:naderz
ID: 39914202
If you troubleshooting DHCP, then test with two devices that have IP address manually configured. That would prove routing.

Where is your DHCP server located?
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Author Comment

by:drichman
ID: 39914204
I will test with static IP's on Monday.

The DHCP server is configured on the same switch (see attached config). Can you tell why DHCP isn't working?
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by:naderz
ID: 39914987
Your DHCP settings look correct.

Try adding:
ip dhcp database flash://dhcp.txt

or

ip dhcp database slot0://dhcp.txt

depending on your switch
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Accepted Solution

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drichman earned 0 total points
ID: 39918091
Fixed it. The problem was that the VLAN's were not added. I thought that once I added the interface with a VLAN assigned, the VLAN would exist within the switch. Once I added the VLAN's on their own, the routing and DHCP server started working.

Thanks all.
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Author Closing Comment

by:drichman
ID: 39931099
Needed to add VLAN's.
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