RE: PMTU-D: remember, your load balancer is broken
: I thought the frame-size limits for Gigabit Ethernet were 64-1518/1522 : bytes? And isn't that the limit on most host IP stacks for Ethernet media? : Or am I off in left field, here? for backbone applications, at least, many hardware vendors support large frames [>1500] on GigE. _k
Then again, at least some Cisco gear doesn't think that. perdition>sh in g0/1 GigabitEthernet0/1 is up, line protocol is up Hardware is Gigabit Ethernet, address is 00d0.7966.eeae (bia 00d0.7966.eeae) MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec, rely 255/255, load 24/255 Deepak Jain AiNET On Wed, 14 Jun 2000 jhsu@mur.com wrote:
: I thought the frame-size limits for Gigabit Ethernet were 64-1518/1522 : bytes? And isn't that the limit on most host IP stacks for Ethernet media? : Or am I off in left field, here?
for backbone applications, at least, many hardware vendors support large frames [>1500] on GigE.
_k
All of our systems come up defaulting to 1500 byte MTU as well. We had to manually set them to what we wanted if it wasn't 1500. --- John Fraizer EnterZone, Inc On Wed, 14 Jun 2000, Deepak Jain wrote:
Then again, at least some Cisco gear doesn't think that.
perdition>sh in g0/1 GigabitEthernet0/1 is up, line protocol is up Hardware is Gigabit Ethernet, address is 00d0.7966.eeae (bia 00d0.7966.eeae) MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec, rely 255/255, load 24/255
Deepak Jain AiNET
On Wed, 14 Jun 2000 jhsu@mur.com wrote:
: I thought the frame-size limits for Gigabit Ethernet were 64-1518/1522 : bytes? And isn't that the limit on most host IP stacks for Ethernet media? : Or am I off in left field, here?
for backbone applications, at least, many hardware vendors support large frames [>1500] on GigE.
_k
participants (3)
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Deepak Jain -
jhsu＠mur.com -
John Fraizer