RE: PMTU-D: remember, your load balancer is broken

[John Fraizer <nanog () EnterZone Net>]

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