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New Member

What Is Layer 2 and Layer 3 Protocols ?

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

2 ACCEPTED SOLUTIONS

Accepted Solutions
Cisco Employee

What Is Layer 2 and Layer 3 Protocols ?

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

Cisco Employee

What Is Layer 2 and Layer 3 Protocols ?

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

4 REPLIES
Cisco Employee

What Is Layer 2 and Layer 3 Protocols ?

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

Cisco Employee

What Is Layer 2 and Layer 3 Protocols ?

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

New Member

What Is Layer 2 and Layer 3 Protocols ?

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

Cisco Employee

What Is Layer 2 and Layer 3 Protocols ?

good luck then 

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