[cisco-voip] Cannot downgrade 7921 from 1.3.4SR1 to 1.1.1

[Mike King]

Anthony,

Are you using Cisco Wireless Lan controllers, on code 6.0?

There was a major software advisory released for the 6.0 code last
week, and both bugs seriously impacted wireless VoIP .

http://www.cisco.com/web/software/Wireless/Deferral/Software_Advisory_6_0_196_0.html

I just upped my test controller to 7.0, and it's cleared all the
issues's I've been having with my 7925g's

Mike


On Tue, Jun 29, 2010 at 10:30 AM, Anthony Kouloglou <akoul at dataways.gr> wrote:
> Thanks Ryan,
> i will open a TAC right now!!
> I can't stand roaming problems ...
>
> On 29/6/2010 16:47, Ryan Ratliff wrote:
>
> This is covered in the 1.3(3) release notes but apparently not in the 1.3(4)
> ones.
> http://www.cisco.com/en/US/docs/voice_ip_comm/cuipph/7925g/firmware/1_3_3/english/release/notes/792x_133.html#wp235256
>
> "Firmware Downgrade Restrictions
>
> The 1.3(3) firmware introduces a restriction on downgrading to earlier
> firmware revisions. It is strongly recommended that this firmware is
> validated for use in a network to ensure full compatibility before
> implementing this firmware into production.
>
> Changes in the memory industry, coupled with analysis of some memory
> corruption, have necessitated a change to some memory drivers and power
> management algorithms. If it does become necessary to downgrade to an
> earlier version of firmware, please contact the Cisco Technical Assistance
> Center in order to learn details of the necessary steps to downgrade."
>
> I'll see about getting it added to the 1.3(4) doc and all future versions.
>
> -Ryan
>
> On Jun 29, 2010, at 5:55 AM, Anthony Kouloglou wrote:
>
> Hi, in my CCME 7.0, i have upgraded all my 7921 running 1.2.1 to 1.3.4SR1
> due to roaming problems with 1131).
> This did not solve the roaming problems and i wanted to downgrade them to
> the 1.1.1 firmware which seems not to have these problems.
> But, i have done everything correctly (tftp bindings etc) but i still get in
> my 7921 "firmware upgrade failed"
> right after it downloads this file:
> 079499: Jun 29 12:53:32.029: TFTP: Looking for CTLSEP0021553E8938.tlv
> 079500: Jun 29 12:53:32.225: TFTP: Looking for WLAN0021553E8938.xml
> 079501: Jun 29 12:53:32.357: TFTP: Looking for WLANDefault.xml
> 079502: Jun 29 12:53:32.553: TFTP: Looking for SEP0021553E8938.cnf.xml
> 079503: Jun 29 12:53:33.753: TFTP: Opened
> system:/its/vrf1/XMLDefault7921.cnf.xml, fd 8, size 1277 for process 205
> 079504: Jun 29 12:53:33.769: TFTP: Finished
> system:/its/vrf1/XMLDefault7921.cnf.xml, time 00:00:00 for process 205
> 079505: Jun 29 12:53:34.201: TFTP: Looking for Ringlist.xml
> 079506: Jun 29 12:53:34.205: TFTP: Opened flash:ringtone/RingList.xml, fd 8,
> size 3334 for process 205
> 079507: Jun 29 12:53:34.261: TFTP: Finished flash:ringtone/RingList.xml,
> time 00:00:00 for process 205
> 079508: Jun 29 12:53:34.393: TFTP: Looking for DistinctiveRingList.xml
> 079509: Jun 29 12:53:34.397: TFTP: Opened
> flash:ringtone/DistinctiveRingList.xml, fd 8, size 2823 for process 205
> 079510: Jun 29 12:53:34.545: TFTP: Finished
> flash:ringtone/DistinctiveRingList.xml, time 00:00:00 for process 205
> 079511: Jun 29 12:53:48.173: TFTP: Looking for
> CP7921G-1.1.1/CP7921G-1.1.1.LOADS
> 079512: Jun 29 12:53:48.313: TFTP: Looking for CP7921G-1.1.1.LOADS
> 079513: Jun 29 12:53:48.317: TFTP: Opened
> flash:/phoneloads/7921/CP7921G-1.1.1.LOADS, fd 8, size 894 for process 205
> 079514: Jun 29 12:53:48.341: TFTP: Finished
> flash:/phoneloads/7921/CP7921G-1.1.1.LOADS, time 00:00:00 for process 205
> 079515: Jun 29 12:53:52.429: %IPPHONE-6-REG_ALARM: Name=SEP0021553E8938
> Load=CP7921G-1.3.4SR1 Last=Reset-Reset
> 079516: Jun 29 12:53:52.637: %IPPHONE-6-REGISTER: ephone-23:SEP0021553E8938
> IP:192.168.2.84 Socket:22 DeviceType:Phone has registered
>
>
>
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