rounding up.
Regards,
[EMAIL PROTECTED]
NCCI
Boca Raton, Florida
561.893.2415
greetings / avec mes meilleures salutations / Cordialmente
mit freundlichen Gr��en / Med v�nlig h�lsning
"Ledbetter, Scott E"
<[EMAIL PROTECTED] To:
[email protected]
AGETEK.COM> cc:
Sent by: Linux on 390 Subject: Re: MTU
consideration for dummy/eth interfaces
Port
<[EMAIL PROTECTED]
EDU>
06/10/2005 11:15 AM
Please respond to
Linux on 390 Port
According to everything I have read about the various OSA adapters, the
maximum frame size supported is 8992. Are you rounding up to 9,000, or am
I missing something?
Also, perhaps a nework guru out there can answer this question:
If I have the OSA with MTU=8992 in a small private network, and a node on
the network has the MTU defined as 9000, I assume there could be some
switch overhead in translating the frames. Is there a benefit to having
every node at 8992 as opposed to 9000, which seems to be a common 'default'
for a net with jumbo frames?
Thanks,
Scott Ledbetter
StorageTek
-----Original Message-----
From: Linux on 390 Port [mailto:[EMAIL PROTECTED] On Behalf Of Uriel
Carrasquilla
Sent: Friday, June 10, 2005 7:50 AM
To: [email protected]
Subject: Re: MTU consideration for dummy/eth interfaces
If you are using OSA interface, you may want to consider an MTU of 9,000.
On NIC/1-G ethernet cards, 9,000 is the recommended value. I also had the
same problem with my zebra/ospfd+dummy and the network guys did not want to
change the router's MTU to 9000 so I live with 1500. It is early for me to
tell if it is rock solid but I realize that my entire network connection to
my zLinux now depends on how stable zebra/ospfd proves to be.
Regards,
[EMAIL PROTECTED]
NCCI
Boca Raton, Florida
561.893.2415
greetings / avec mes meilleures salutations / Cordialmente
mit freundlichen Gr��en / Med v�nlig h�lsning
Max
<[EMAIL PROTECTED] To:
[email protected]
.it> cc:
Sent by: Linux on Subject: MTU consideration
for dummy/eth interfaces
390 Port
<[EMAIL PROTECTED]
IST.EDU>
06/09/2005 04:35
AM
Please respond to
Linux on 390 Port
Guys,
I've configured two ethernet interfaces with a dummy
interface in order to have an High Availability
network. I'm using Zebra for dynamic routing.
I was able to work with this system only changing the
ethernet MTU from 1492 (Linux default) to 1500...
Seems related to my router configuration (4507)...
Do you think that I can experience some problem with
1500 MTU size or I need to change some value on router
for compatibility with zLinux systems?
Ciao
Max
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