What Is Layer 2 and Layer 3 Protocols ?

[rameuniver]

Can anyone give me the examples for Layer 2 and Layer 3 Protocols.

[rsimoni · Accepted solution]

layer 2 = STP, UDLD, CDP, LLDP, ARP, VTP etc. which are all protocols not routed outside a given subnet.

layer 3 = BGP, OSPF, EIGRP, IS-IS, IP etc.

regards,

Riccardo

[Peter Paluch · Accepted solution]

Ramesh,

Layer2: Ethernet framing, Token Ring framing, ATM framing, Frame Relay, HDLC, PPP, LAPB, ...

Layer3: IPv4, IPv6, IPX, AppleTalk, ...

These and many more are described on Wikipedia:

http://en.wikipedia.org/wiki/Layer_2#Protocol_examples

http://en.wikipedia.org/wiki/Layer_3

Best regards,

Peter

[rameuniver]

Thanks For Every One. Actually I Have Interview On Layer2 / Layer3 Protocol

[rsimoni]

good luck then