Hi,
May be basic funda question. When to enable 'ethernet oam' and 'lldp'.
I know lldp is cisco to non-cisco layer 2 communication.
What is the difference between oam and lldp and when to use?
Regards
Siva K

Hi Siva,

The difference between Ethernet OAM and LLDP is ethernet OAM  protocol for installing, monitoring, and troubleshooting Metro thernet networks and Ethernet WANs relies on an optional sublayer in the data link layer of the OSI model.

OAM frames, called OAM protocol data units (OAM PDUs) use the slow protocol destination MAC address 0180.c200.0002. They are intercepted by the MAC sublayer and cannot propagate beyond a single hop within an Ethernet network. Ethernet OAM is a relatively slow protocol, with a maximum transmission rate of 10 frames per second, resulting in minor impact to normal operations.

On the other hand the LLDP says to support non-Cisco devices and to allow for interoperability between other devices, the switch supports the IEEE 802.1AB Link Layer Discovery Protocol (LLDP). LLDP is a neighbor discovery protocol that is used for network devices to advertise information about themselves to other devices on the network. This protocol runs over the data-link layer, which allows two systems running different network layer protocols to learn about each other.

Hope to Help !!

Ganesh.H

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