Re: increasing the ethernet MTU greater than 1500 (1502)

2006-01-07 Thread kamal kc
> > > i don't want to fragment the packet as i think > > that is too much overhead for 2 bytes. rather i > > want to increase the mtu. > > why increase the mtu when you can decrease it? one > good example is the > PPPoE... default mtu size of pppoe is 1492 because > of the 6 bytes pppoe > heade

Re: increasing the ethernet MTU greater than 1500 (1502)

2006-01-06 Thread fooler
- Original Message - From: "kamal kc" <[EMAIL PROTECTED]> To: "freebsd" Sent: Friday, January 06, 2006 3:18 PM Subject: increasing the ethernet MTU greater than 1500 (1502) i don't want to fragment the packet as i think that is too much overhead for 2 b

Re: increasing the ethernet MTU greater than 1500 (1502)

2006-01-06 Thread Richard A Steenbergen
On Fri, Jan 06, 2006 at 06:35:00PM -0800, kamal kc wrote: > > thanks for providing the insight. I would try > with GigE next time. > > since it seems a bad option to try MTU larger than > 1500 in 10/100 Mbps ethernet i tried another option to > solve my problem. Also try any number of other $5

Re: increasing the ethernet MTU greater than 1500 (1502)

2006-01-06 Thread kamal kc
--- Richard A Steenbergen <[EMAIL PROTECTED]> wrote: > On Fri, Jan 06, 2006 at 10:02:07AM -0800, John-Mark > Gurney wrote: > > Nope, for pre-gige, only 1500 MTU is supported... > This was extended > > slightly to support vlan tagging, but I believe > many of the drivers to > > If you have a good

Re: increasing the ethernet MTU greater than 1500 (1502)

2006-01-06 Thread Richard A Steenbergen
On Fri, Jan 06, 2006 at 10:02:07AM -0800, John-Mark Gurney wrote: > Nope, for pre-gige, only 1500 MTU is supported... This was extended > slightly to support vlan tagging, but I believe many of the drivers to > magic behind the scenes to know when the vlan tagged packets are comming, > and let the

Re: increasing the ethernet MTU greater than 1500 (1502)

2006-01-06 Thread John-Mark Gurney
kamal kc wrote this message on Thu, Jan 05, 2006 at 23:18 -0800: > i tried > -->ifconfig xl1 mtu 1502 > > but it gave the message: > -->ifconfig: ioctl (set mtu): invalid argument > > How can i increase the MTU ??? > Will it have any effect whatsoever ??? > i guess ethernet should support MTU o

increasing the ethernet MTU greater than 1500 (1502)

2006-01-05 Thread kamal kc
dear everbody, i have working to compress/decompress the packets. i know there are various schemes and facilities to do so in the freebsd, i have developed the compression facility myself. i am just a beginner in freebsd programming and overall in network programming. since i compress packet