Ethereal-users: Re: [Ethereal-users] The packet's length

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From: Hansang Bae <hbae@xxxxxxxxxx>
Date: Wed, 15 Mar 2006 22:52:42 -0500
On 08:27 PM 3/15/2006, milton wrote:
>I use ethereal to capture the arp and icmp packets by pinging ethernet lan computer from my host.
>To my surprise,the length of arp request is 42bytes without padding,while the length of arp reply packet is 60 bytes with 18 bytes padding.
>Both the icmp request and reply packets have 74 bytes length with padding.
>I wonder why the arp packets have different length and the icmp not?


arp <> IP packet.  It's an Ethernet frame.  So naturally, it doesn't have an IP header, nor an ICMP header that ping packets would have.

But I don't show any padding in my arp captures. (.14 release)

hsb