hmm, cheers any idea if there is any documentation regarding this? seems to me that with all these sites these days mucking around with df bits and filtering icmp that it's a wonder that any link with an odd pmtu works at all. not to mention qos getting all upset with fragmented packets.
thomas > > > At 10:37 PM 8/31/2003 +0000, Thomas Salmen wrote: > >does anyone know if using frame-mode mpls affects the mtu on an > interface? i > >can't help thinking that sticking in an extra 32-bit header would mean > >reducing the amount of user data that could be carried by 32 > bits - causing > >fragmentation if the data field is already at its max for a given > >interface... > > MPLS headers, 802.1q tags and all similar encap overhead > certainly add size > to frames and are certainly things one needs to be mindful of from an mtu > perspective. > > >apologies if the question is an inane one, but i'm just starting > to get into > >this ls thang > > > >thomas > >**Please support GroupStudy by purchasing from the GroupStudy Store: > >http://shop.groupstudy.com > >FAQ, list archives, and subscription info: > >http://www.groupstudy.com/list/cisco.html > **Please support GroupStudy by purchasing from the GroupStudy Store: > http://shop.groupstudy.com > FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=74617&t=74577 -------------------------------------------------- **Please support GroupStudy by purchasing from the GroupStudy Store: http://shop.groupstudy.com FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html
