Re: [asterisk-users] Dundi Issues

2008-11-05 Thread Jeremy Mann
I don't know if it's related, but when doing a packet sniff with wireshark, I 
see UDP checksum incorrect messages:

0.058230 source - destination  UDP Source port: 4520  Destination port: 4520 
[UDP CHECKSUM INCORRECT]

The reply packet however does not have this warning:

9.199240  destination - source UDP Source port: 4520  Destination port: 4520

From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Jeremy Mann
Sent: Wednesday, November 05, 2008 8:33 AM
To: 'Asterisk Users Mailing List - Non-Commercial Discussion'
Subject: [asterisk-users] Dundi Issues

I'm getting the following error over and over on the console:

pbx_dundi.c:2975 dundi_rexmit: Max retries exceeded to host

Any idea how to troubleshoot this?

My network latency is roughly 40-50ms between all hosts in my dundi cloud.

Jeremy Mann
Director of IT
Texas Health Management Group
Direct Line: 817-310-4956
Main Line: 817-310-4999
Fax: 817-310-4990
Email: [EMAIL PROTECTED]



This e-mail, facsimile, or letter and any files or attachments transmitted with 
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any disclosure, copying, printing, or use of this information is strictly 
prohibited and possibly a violation of federal or state law and regulations. If 
you have received this information in error, please notify Texas Health 
Management Group immediately at 1-817-310-4999. Texas Health Management Group, 
its subsidiaries, and affiliates hereby claim all applicable privileges related 
to this information.


This e-mail, facsimile, or letter and any files or attachments transmitted with 
it contains information that is confidential and privileged. This information 
is intended only for the use of the individual(s) and entity(ies) to whom it is 
addressed. If you are the intended recipient, further disclosures are 
prohibited without proper authorization. If you are not the intended recipient, 
any disclosure, copying, printing, or use of this information is strictly 
prohibited and possibly a violation of federal or state law and regulations. If 
you have received this information in error, please notify Texas Health 
Management Group immediately at 1-817-310-4999. Texas Health Management Group, 
its subsidiaries, and affiliates hereby claim all applicable privileges related 
to this information.
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Re: [asterisk-users] Dundi Issues

2008-11-05 Thread Drew Gibson
Jeremy Mann wrote:

 I don’t know if it’s related, but when doing a packet sniff with 
 wireshark, I see UDP checksum incorrect messages:

 0.058230 source - destination UDP Source port: 4520 Destination port: 
 4520 [UDP CHECKSUM INCORRECT]


Be careful with this error, some network cards that can do IP Offload 
processing will show up with bad checksums in Wireshark. Check the specs 
for your NIC, this may be a Red Herring (or it might not! ).

regards,

Drew


-- 
Drew Gibson

Systems Administrator
OANDA Corporation
www.oanda.com


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Re: [asterisk-users] Dundi Issues

2008-11-05 Thread Jeremy Mann
I'm not aware of any offloading done on this particular box, it's an HP ML110 
G5 using the onboard NIC.

-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Drew Gibson
Sent: Wednesday, November 05, 2008 9:30 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] Dundi Issues

Jeremy Mann wrote:

 I don't know if it's related, but when doing a packet sniff with
 wireshark, I see UDP checksum incorrect messages:

 0.058230 source - destination UDP Source port: 4520 Destination port:
 4520 [UDP CHECKSUM INCORRECT]


Be careful with this error, some network cards that can do IP Offload
processing will show up with bad checksums in Wireshark. Check the specs
for your NIC, this may be a Red Herring (or it might not! ).

regards,

Drew


--
Drew Gibson

Systems Administrator
OANDA Corporation
www.oanda.com


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it contains information that is confidential and privileged. This information 
is intended only for the use of the individual(s) and entity(ies) to whom it is 
addressed. If you are the intended recipient, further disclosures are 
prohibited without proper authorization. If you are not the intended recipient, 
any disclosure, copying, printing, or use of this information is strictly 
prohibited and possibly a violation of federal or state law and regulations. If 
you have received this information in error, please notify Texas Health 
Management Group immediately at 1-817-310-4999. Texas Health Management Group, 
its subsidiaries, and affiliates hereby claim all applicable privileges related 
to this information.

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Re: [asterisk-users] Dundi Issues

2008-11-05 Thread Drew Gibson
Jeremy Mann wrote:
 I'm not aware of any offloading done on this particular box, it's an HP ML110 
 G5 using the onboard NIC.

 -Original Message-
 From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Drew Gibson
 Sent: Wednesday, November 05, 2008 9:30 AM
 To: Asterisk Users Mailing List - Non-Commercial Discussion
 Subject: Re: [asterisk-users] Dundi Issues

 Jeremy Mann wrote:
   
 I don't know if it's related, but when doing a packet sniff with
 wireshark, I see UDP checksum incorrect messages:

 0.058230 source - destination UDP Source port: 4520 Destination port:
 4520 [UDP CHECKSUM INCORRECT]

 

 Be careful with this error, some network cards that can do IP Offload
 processing will show up with bad checksums in Wireshark. Check the specs
 for your NIC, this may be a Red Herring (or it might not! ).

   

The HP docs indicate a setting for enable/disable checksum offload, try 
looking at the packets on-the-wire rather than on the server itself.

http://h2.www2.hp.com/bc/docs/support/SupportManual/c00846707/c00846707.pdf

regards,

Drew

-- 
Drew Gibson

Systems Administrator
OANDA Corporation
www.oanda.com


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