Thursday, December 8, 2011

CDP Cisco Discovery Protocol

CDP is used to share information about the other directly-connected Cisco networking equipment, such as upstream physical switches.. This is usesful when troubleshooting networking connectivity issues related to VLAN tagging methods on virtual and physical port settings.

1. CDP info from vSphere client

2. CDP info from PowerCLI

3 CPD info from esxcfg-info --network

4 vim-cmd (vmware-vim-cmd) hostsvc/net/query_networkhint

5. esxcfg-vswitch -B -b (vSS)

CDP status: down, listen, advertise, both







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