Just talked to the developper of our PING checker and he confirmed that for the 
moment the limit is at 512 bytes and the "do not fragment"-bit is NOT set by 
his code. 
If all goes well he'll do some change to the PING-er next week and it will be 
added as new feature to v8 of Servers Alive (and as such also to the v7.9beta) 
 
 
dirk

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

From: Servers Alive Discussion List [mailto:salive@woodstone.nu] On Behalf Of 
Stratsianis, Spiros
Sent: Friday, October 09, 2015 7:15 AM
To: Servers Alive Discussion List
Subject: RE: [SA-list] ping -l 1472 -f 10.10.10.10





Hi, 

 

I did see that option but the maximum packet size seems to be 128 bytes and I 
can’t find an option to set  ‘don’t fragment’ on the 
ping. 

(Without don’t fragment set, any large packet I send will get broken up) 

 

 

 

Regards, 

Spiros 

 

From: Servers Alive Discussion List [mailto:salive@woodstone.nu] On Behalf Of 
dirk
Sent: Friday, 9 October 2015 4:00 PM
To: Servers Alive Discussion List
Subject: RE: [SA-list] ping -l 1472 -f 10.10.10.10 

 

On the CHECK tab you can when selecting the PING check option set the size of 
the packet too. 

 

 

 

dirk. 

 

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



From: Servers Alive Discussion List [mailto:salive@woodstone.nu 
(mailto:salive@woodstone.nu)] On Behalf Of Stratsianis, Spiros
Sent: Friday, October 09, 2015 3:00 AM
To: Servers Alive Discussion List
Subject: [SA-list] ping -l 1472 -f 10.10.10.10 

Hi, 

 

We sometimes have problems on our WAN links when carriers change MTU setting 
within their network. 

To trouble shoot we manually start pinging with a 1472 payload and 
‘don’t fragment’ set. 

 

Can SA be set up to do the equivalent of ‘ping -l 1472 -f 
10.10.10.10’? 

 

 

 

With best regards,
Spiros Stratsianis

Siemens Ltd. 

Global Service Information Technology 

IT Infrastructure Service - Service Delivery Regions Asia, Pacific, Middle East 
and Africa 

Operational Services - Collaboration 

GS IT IN SD AAE OPS COL 


885 Mountain Highway
Bayswater VIC 3153, Australia 
Tel: +61 (3) 9721-2934 

Fax: +61 (3) 9721-2788 

E-mail: spiros.stratsia...@siemens.com (mailto:spiros.stratsia...@siemens.com) 

 

 

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