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New Member

Spanning Tree Protocol

Which layer of the OSI does this work at? I assume that as switches are layer 2 devices, STP must work at layer 2 as well?

4 REPLIES
New Member

Re: Spanning Tree Protocol

correct.

New Member

Re: Spanning Tree Protocol

layer 2

Cisco Employee

Spanning Tree Protocol

Hi Lee,

Yes you are perfectly correct, STP works at Layer 2.

Please find link below which explains which protocols works at what layer:

http://euphoricpranav.blogspot.in/2008/11/list-of-protocols-on-different-7-layer.html

Layer 2 protocols (Data Link Layer)


* ARCnet

* CDP Cisco Discovery Protocol

* DCAP Data Link Switching Client Access Protocol

* Dynamic Trunking Protocol

* Econet

* Ethernet

* FDDI Fiber Distributed Data Interface

* Frame Relay

* HDLC High Level Data Link Control

* IEEE 802.11

* IEEE 802.16

* LocalTalk

* L2F Layer 2 Forwarding Protocol

* L2TP Layer 2 Tunneling Protocol

* LAPD Link Access Procedures on the D channel

* LLDP Link Layer Discovery Protocol

* LLDP-MED Link Layer Discovery Protocol - Media Endpoint Discovery

* PPP Point-to-Point Protocol

* PPTP Point-to-Point Tunneling Protocol

* Q.710 Simplified Message Transfer Part

* NDP Neighbor Discovery Protocol

* SLIP Serial Line Internet Protocol (obsolete)

* StarLan

* STP Spanning Tree Protocol>>>>>>>>>>>>>>>>>>>>>>>> STP Layer 2.

* Token ring

* VTP VLAN Trunking Protocol

HTH

Regards

Inayath

*Plz rate all usefull posts.

Cisco Employee

Spanning Tree Protocol

It works on Layer 2 as you know that switch is Layer 2 device. To know how it work you can see the below flash tutorial.

http://www.cisco.com/warp/public/473/spanning_tree1.swf

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