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Community Member

Logging DHCP

Is there a way to log DHCP assignments.

I have a 7206vxr, IOS 12.2(5), running as a DHCP server for several subnets. I need to log who has what IP in case of violations. I know about the Show IP dhcp bindings, but that only shows the lease until it expires. I need a daily record that will record the date, IP, and circuit. I have found no way to do this, and would really appreciate some help or advise.

Thanks

JT

2 REPLIES
Cisco Employee

Re: Logging DHCP

Hi,

You may want to consider the Cisco Network Registrar solution.

More on the below url;

One of the feature is exactly what you need, i.e.

Logging DHCP address assignments for later analysis

http://www.cisco.com/en/US/partner/products/sw/netmgtsw/ps1982/products_installation_guide_chapter09186a008008727f.html

Thanks,

yatin

Community Member

Re: Logging DHCP

I was hoping to find something in the router that allowed you to do this. I don't think we will want to spend any money to implement this. What about running a script on the router to make a copy of the ip route table, and copy it to a log file on a linux machine?

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