Re: [c-nsp] C3750E routing jumbo frames

2010-07-08 Thread David DeSimone
Artyom Viklenko wrote: > > Can you show output of 'sh int gi1/0/9'? > What MTU you see in it? MTU looks correct: GigabitEthernet1/0/9 is up, line protocol is up (connected) Hardware is Gigabit Ethernet, address is .. (bia ..) MTU 9000 bytes, BW 100 Kbit, DLY 10 us

Re: [c-nsp] C3750E routing jumbo frames

2010-07-07 Thread Artyom Viklenko
08.07.2010 01:09, David DeSimone пишет: I am curious if others have experienced this problem. We are setting up new solutions that require routing (not just switching) of jumbo frames between racks. We'll set up a simple vlan extended across the core with 3750E's at the edges: system mtu

Re: [c-nsp] C3750E routing jumbo frames

2010-07-07 Thread David DeSimone
Colin Whittaker wrote: > > Have you tried rebooting the switch acting as a router. > > In my experience about 20% of the boxes we enabled jumbo routing on > would not work quite right until after a reboot. This is something > that was solved by just reloading the switch after configuring the > r

Re: [c-nsp] C3750E routing jumbo frames

2010-07-07 Thread Colin Whittaker
On Wed, Jul 07, 2010 at 05:09:41PM -0500, David DeSimone wrote: > My only guess is that the jumbo MTU routing attribute somehow isn't > applied to the VLAN when the router is initially configured, because > there are currently no ports showing link in the VLAN, so the VLAN is > invisibly "admin dow

[c-nsp] C3750E routing jumbo frames

2010-07-07 Thread David DeSimone
I am curious if others have experienced this problem. We are setting up new solutions that require routing (not just switching) of jumbo frames between racks. We'll set up a simple vlan extended across the core with 3750E's at the edges: system mtu jumbo 9000 system mtu routing 9000