The Journey of a Network Engineer:

option 82

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March 22, 2011  7:30 AM

Configuring IP DHCP Snooping.



Posted by: Sulaiman Syed
binding, Cisco, configuration, dhcp, ip, mode, option 82, snooping, switch, transparent, vlan, vtp

The other day, a smart user (i consider him evil) attached a ADSL modem to the network port. What he didn't realize that his device was programmed to work as DHCP server. As a result, the whole vlan started getting the wrong IP address, and connectivity was lost. After investigation, we realized a...

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