rratliff at cisco
Jul 18, 2008, 6:22 AM
Post #4 of 5
(574 views)
Permalink
|
|
Re: Phones losing connection to the CallManager
[In reply to]
|
|
You'd need packet captures and ccm traces to fully understand this.
Make sure the captures are taken at both the phone and the CCM.
-Ryan
On Jul 17, 2008, at 5:58 PM, Gheorghe PLETEA wrote:
Is MPLS, 200 Mbps, never seen more than 50% used.
The problem is I have multiple messages "CM-aborted-TCP" that means CCM
closed the TCP session, and I don't understand why.
Thanks,
George
-----Original Message-----
From: Joe Cisco [mailto:smetsysocsic [at] gmail]
Sent: Friday, 18 July 2008 07:51
To: Gheorghe PLETEA
Cc: cisco-voip [at] puck
Subject: Re: [cisco-voip] Phones losing connection to the CallManager
What's the connection like between the phones and the CM(s)? Local LAN?
Frame Relay? T1? MPLS? Firewall(s) in between?
-Joe C.
On Wed, Jul 16, 2008 at 9:04 PM, Gheorghe PLETEA
<Gheorghe.PLETEA [at] team> wrote:
> Hi,
> I have a problem with some phones losing the connection to the Cisco
> CallManager (CCM).
> A similar problem was posted, few months ago, by Matt Oliver, as
> "Phones displaying CM Down during calls".
>
> I noticed in the ccm traces many messages that mentioned last reason
> of restart as "CM-abort-TCP" (100 messages in 3 days, for 1000
phones).
> Can anyone tell me what can be the root causes for these?
>
> Thanks,
> George
>
> Gheorghe PLETEA
> Network Specialist
> TelstraClear Limited
> Phone: +64 4 920 3023
> Mobile: +64 29 920 3023
> Email: gheorghe.pletea [at] team
>
>
>
>
> TelstraClear - Best speed, Best price, Best performance, Best loved,
> Best join.... phone Residential 0508 888 800 Business 0508 249 777
>
> This email contains information which may be confidential and subject
to copyright. If you are not the intended recipient you must not use,
distribute or copy this email or attachments. If you have received this
email in error please notify us immediately by return email and delete
this email and any attachments.
> TelstraClear Limited accepts no responsibility for changes made to
this email or to any attachments after transmission from TelstraClear
Limited. It is your responsibility to check this email and any
attachments for viruses.
> Emails are not secure. They can be intercepted, amended, lost or
destroyed and may contain viruses. Anyone who communicates with
TelstraClear Limited by email is taken to accept these risks.
> _______________________________________________
> cisco-voip mailing list
> cisco-voip [at] puck
> https://puck.nether.net/mailman/listinfo/cisco-voip
>
TelstraClear - Best speed, Best price, Best performance, Best loved,
Best join.... phone Residential 0508 888 800 Business 0508 249 777
This email contains information which may be confidential and subject
to copyright. If you are not the intended recipient you must not
use, distribute or copy this email or attachments. If you have
received this email in error please notify us immediately by return
email and delete this email and any attachments.
TelstraClear Limited accepts no responsibility for changes made to
this email or to any attachments after transmission from TelstraClear
Limited. It is your responsibility to check this email and any
attachments for viruses.
Emails are not secure. They can be intercepted, amended, lost or
destroyed and may contain viruses. Anyone who communicates with
TelstraClear Limited by email is taken to accept these risks.
_______________________________________________
cisco-voip mailing list
cisco-voip [at] puck
https://puck.nether.net/mailman/listinfo/cisco-voip
|
