There is a problem with windows DHCP servers not giving the MTU option unless the devices specifically ask for it. Unfortunately the DTU's don't specifically ask... This comes down to a difference in interpreting the DHCP specification... I can't remember who is really right. The Solaris and Linux DHCP servers will give out all configured options weather requested or not.

I remember a discussion of this on a Sun internal alias... I'll search it and get back to you.

Brad

Prudom, Karla M Ms CONTR ITS wrote:
It is not getting the MTU option from the DHCP server. Why is that? It is
set in the scope options. I have repowered the sunray. It looks like it is
getting the vendor specific options and the generic dhcp options. Could it
be because it is a Windows dhcp server? I doubt it, Windows and Sun should
have the same generic options.

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Today's Topics:

   1. SUNRAY Over Taclanes (Prudom, Karla M Ms CONTR ITS)
   2. Re: SUNRAY Over Taclanes (Brad Lackey)
   3. RE: SUNRAY Over Taclanes (David Partrington)


----------------------------------------------------------------------

Message: 1
Date: Wed, 25 Jan 2006 14:07:46 -0600
From: "Prudom, Karla M Ms CONTR ITS" <[EMAIL PROTECTED]>
Subject: [SunRay-Users] SUNRAY Over Taclanes
To: [email protected]
Message-ID:
	
<[EMAIL PROTECTED]>
	
Content-Type: text/plain; charset="us-ascii"

I have recently placed 5 sunrays in a remote building. The sunrays are
connected through multiple KG175 taclanes from the servers. The Switch is
configured for dhcprelay to aid the sunrays with the ips it needs. But the
problem is that I am getting half of a screen. From what I have been reading
this is due to MTU size. What are the steps that need to be taken? I have
added option 26 to the dhcp server and set the MTU size to 1000. Help!

 

Karla Prudom

Special Projects Developer

[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> 

 

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Message: 2
Date: Wed, 25 Jan 2006 15:34:47 -0500
From: Brad Lackey <[EMAIL PROTECTED]>
Subject: Re: [SunRay-Users] SUNRAY Over Taclanes
To: SunRay-Users mailing list <[email protected]>
Message-ID: <[EMAIL PROTECTED]>
Content-Type: text/plain; charset="iso-8859-1"

Are you sure that the Sun Rays are actually receiving the correct MTU? 
Try using utquery on one of them and see if they are getting the 
directive from DHCP.

Brad

Prudom, Karla M Ms CONTR ITS wrote:

  
I have recently placed 5 sunrays in a remote building. The sunrays are
connected through multiple KG175 taclanes from the servers. The Switch is
configured for dhcprelay to aid the sunrays with the ips it needs. But the
problem is that I am getting half of a screen. From what I have been
    
reading
  
this is due to MTU size. What are the steps that need to be taken? I have
added option 26 to the dhcp server and set the MTU size to 1000. Help!



Karla Prudom

Special Projects Developer

[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> 




 

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Message: 3
Date: Wed, 25 Jan 2006 15:02:11 -0700
From: "David Partrington" <[EMAIL PROTECTED]>
Subject: RE: [SunRay-Users] SUNRAY Over Taclanes
To: "'SunRay-Users mailing list'" <[email protected]>
Message-ID: <[EMAIL PROTECTED]>
Content-Type: text/plain; charset="us-ascii"

Set your MTU size to 576 and your problem will be fixed. Please feel free to
call me if you have any problems.
 
David B. Partington
System Administration/
Network Engineer
CIO/G6 ,USAIC, Fort Huachuca
Northrop Grumman Mission Systems
DSN 821-6184
Phone: (520) 533-6184
Pager: (520) 378-8563
[EMAIL PROTECTED]
  _____  

From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Prudom, Karla M Ms
CONTR ITS
Sent: Wednesday, January 25, 2006 1:08 PM
To: [email protected]
Subject: [SunRay-Users] SUNRAY Over Taclanes
 
I have recently placed 5 sunrays in a remote building. The sunrays are
connected through multiple KG175 taclanes from the servers. The Switch is
configured for dhcprelay to aid the sunrays with the ips it needs. But the
problem is that I am getting half of a screen. From what I have been reading
this is due to MTU size. What are the steps that need to be taken? I have
added option 26 to the dhcp server and set the MTU size to 1000. Help!
 
Karla Prudom
Special Projects Developer
[EMAIL PROTECTED]
 
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