Lucien Avramov Tue, 09/29/2009 - 14:39
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You can disable CDP and use other protocols for the common services discovery


The network administrator can discover the devices using different protocols, such as Cisco Discovery Protocol, BGP, OSPF, Address Resolution Protocol (ARP), HSRP, cluster, routing table, and ping sweep on IP range, that are activated at different layers of the Open Systems Interconnection (OSI) model in the device.


Check this:

http://www.cisco.com/en/US/prod/collateral/netmgtsw/ps6504/ps6528/ps2425/white_paper_c11-493921.html

Marvin Rhoads Wed, 09/30/2009 - 11:38
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If one uses a non-CDP-based discovery method, will Campus Manager continue to ascertain the adjacency relationship between devices?


Would not having CDP also break the L2/L3 trace functionality?

Joe Clarke Wed, 09/30/2009 - 11:59
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Yes, not having CDP will break Campus Manager. The Path Analysis piece was removed from LMS 3.1 and onward, but Data Collection still relies on CDP to build the topology map. Without it, all the devices in DCR will simply appear as unconnected, and many of the features of Campus (e.g. trunk port configuration, discrepancies, etc.) will not work.

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