Big Problems with callmanager 6.1.5.10000-10 and ATA-186

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Jun 21st, 2010
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Hello all,


we made an update to

Cisco Unified CM Administration System version: 6.1.5.10000-10 and after about 2 weeks, we have an issue with the ata 168 only in the Headquarter.
We can call from and to the ata's, from inside and outside , but the most time the voice quality is very very poor and its sounds like a robot with many breaks.
Any other phones 7911, 7970, 7971 are ok.
Here is an sample of the ata device information and network conf:
MAC Address0023eb53bc69
Host Nameata0023eb53bc69
Phone 1 DN71198
Phone 2 DN20241
App Load IDATA030204SCCP090202A
S/W Version3.02.04(090202A)
H/W Version0x0013 0x0000
Serial NumberFCH1330AZPH
Product IDATA186I2-A
H/W Features0x00000016
FirmwareATA030204SCCP090202A.zup
VLAN ID100
Config Fileata0023eb53bc69



DHCP Server192.168.251.249
MAC Address0023eb53bc69
Host Name (Phone 1)SEP0023eb53bc69
Host Name (Phone 2)SEP23eb53bc6901
Domain Namevoip.muerwiker.de
IP Address172.31.0.59
Default Router172.31.0.10
Subnet Mask255.255.255.0
TFTP Enabled0
TFTP Server 10.0.0.0
TFTP Server 2172.31.0.20
DNS Server 1192.168.251.36
DNS Server 2192.168.251.22
VLAN Id100
CallManager1[1]:172.31.0.21 Active
CallManager2[1]:172.31.0.20 Standby
CallManager3[1]:
CallManager4[1]:
CallManager1[2]:172.31.0.21 Active
CallManager2[2]:172.31.0.20 Standby
CallManager3[2]:
CallManager4[2]:
DHCP Enabled1
DHCP Address Released0

and the ethernet statistics:



Elapsed Time00:23:05
Rx Packets8147
Rx Bytes304664
Rx Broadcast803
Rx Multicast31
Rx Overflow0
Rx Errors0
Tx Packets1431
Tx Bytes226818
Tx Errors5
Drop Packets5975


Any help and ideas are welcome,


Carsten

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Carsten Radke Tue, 06/22/2010 - 05:11
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We have found the cause.

It is when a user  logs on to our Windows 2008 Terminal farm and the user-profile-service get the user-profile from our fileserver.

The switches are cisco 2960G and the w2k8 Terminal server are running on a HP VM-Ware ESX.


Here are our qos-settings:


mls qos srr-queue output dscp-map queue 2 threshold 1  24 25 26 27 28 29 30 31
mls qos srr-queue output dscp-map queue 2 threshold 1  48 49 50 51 52 53 54 55
mls qos queue-set output 1 buffers 20 10 20 50
mls qos queue-set output 2 buffers 20 10 20 50
mls qos

interface GigabitEthernet0/1....
...

srr-queue bandwidth share 10 10 50 30
priority-queue out
mls qos trust dscp
...



We are still looking for a solution.


any idea ?


Carsten

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