Re: Ether Type and Protocol Type

The link I use to use is now broken on Cisco's site (removed).
 
This one
looks good, though.
http://www.iana.org/assignments/ethernet-numbers

Another
good one, easily searchable and not as bland:
http://en.wikipedia.org/wiki/EtherType
 

Regards,
Jay McMickle- CCNP, CCSP,
CCDP, MCSE
http://mycciepursuit.wordpress.com/

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________________________________
From: Routing Freak
<routingfreak_at_gmail.com>
To: Jochen Bartl <jochen.bartl_at_gmail.com>
Cc: Cisco
certification <ccielab_at_groupstudy.com>
Sent: Wednesday, December 28, 2011
10:55 AM
Subject: Re: Ether Type and Protocol Type

Hi all

When will u find
the ether type as Dot 1Q (0x8100) and Q in Q (0x9100)

Wat s the protocol
field in IP header when the payload it carries is also
another IP header ( in
case of IP in IP tunnel).

Can anyone send me a link for different values of
protocol types ?

On Tue, Dec 27, 2011 at 3:16 AM, Jochen Bartl
<jochen.bartl_at_gmail.com>wrote:

> Hi,
>
> my preferred way for getting answers
to those questions is watching
> frames/packets in Wireshark. If the Wireshark
code of a particular
> protocol is not broken, it is a very convenient way to
find out about
> the truth ;-)
> Sample capture files for the protocols you
have mentioned are
> available on the following sites:
>
>
http://packetlife.net/captures/ (Direct links to CloudShark)
> - Example:
>
http://www.cloudshark.org/view?url=http://packetlife.net/captures/802.1Q_tunn
eling.cap
> * Ethernet(eth-type 0x8100)/802.1q (TPID 0x8100)/802.1q (TPID
>
0x8000)/IPv4 (proto 1)/ICMP
>
http://wiki.wireshark.org/SampleCaptureshttp://pcapr.net/
>
> Best regards,
>
> Jochen

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Received on Wed Dec 28 2011 - 10:22:25 ART