cancel
Showing results for 
Search instead for 
Did you mean: 
cancel
21406
Views
20
Helpful
4
Replies

What Is Layer 2 and Layer 3 Protocols ?

rameuniver
Level 1
Level 1

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

2 Accepted Solutions

Accepted Solutions

rsimoni
Cisco Employee
Cisco Employee

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

View solution in original post

Peter Paluch
Cisco Employee
Cisco Employee

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

View solution in original post

4 Replies 4

rsimoni
Cisco Employee
Cisco Employee

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
Cisco Employee
Cisco Employee

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

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

good luck then 

Getting Started

Find answers to your questions by entering keywords or phrases in the Search bar above. New here? Use these resources to familiarize yourself with the community:

Review Cisco Networking products for a $25 gift card