Change of software Image in 3750 stack.

[filiberto.aguirre]

Hi,

End user have had problem with IP phones that are connected  to 3750 stack; many times IP phones lose connection with CallManager

and the only way to clear this issue is with clear arp command. DHCP for IP phones is configured in 3750 stack.

At the beginning 3750 stack was set a VTP server, and the others as VTP clients, we detected another VTP server switch so we thought that was the problem, but after removing the issue remains. Finally we set all switch in transparent mode.

Base on this we decided to change the software image  12.2(35)SE1  C3750-ADVIPSERVICESK   --->  122-53.SE2 IPSERVICES

I'm going to follow the procedure 3750 Series Switch Stack IOS Upgrade − Automatic .

as it show in the following information there are 4 differents models of 3750 switches, I have already download c3750-ipservicesk9-tar.122-53.SE2.tar

for 3750G-24TS.

I have two doubts:

1. There is no problem for using this tar file for all models?

2. I followig command is correct for the change I plann to do ?

Switch#archive download-sw /allow-feature-upgrade /overwrite  tftp://192.168.0.24/c3750-ipservicesk9-tar.122-53.SE2.tar

#sh inventory
NAME: "1", DESCR: "WS-C3750G-24TS"     16MB Flash   128 DRAM
PID: WS-C3750G-24TS-E

NAME: "2", DESCR: "WS-C3750-48P" 16MB Flash   128 DRAM
PID: WS-C3750-48PS-S  

NAME: "3", DESCR: "WS-C3750-48P" 16MB Flash   128 DRAM
PID: WS-C3750-48PS-S  

NAME: "4", DESCR: "WS-C3750G-24T" 16MB Flash   128 DRAM
PID: WS-C3750G-24T-S 

NAME: "5", DESCR: "WS-C3750G-24PS" 32MB Flash   128 DRAM
PID: WS-C3750G-24PS-S

*******************************************************************

switch   Ports  Model              SW Version              SW Image
------   -----  -----              ----------              ----------
*    1   28     WS-C3750G-24TS     12.2(35)SE1             C3750-ADVIPSERVICESK
     2   52     WS-C3750-48P       12.2(35)SE1             C3750-ADVIPSERVICESK
     3   52     WS-C3750-48P       12.2(35)SE1             C3750-ADVIPSERVICESK
     4   24     WS-C3750G-24T      12.2(35)SE1             C3750-ADVIPSERVICESK
     5   28     WS-C3750G-24PS     12.2(35)SE1             C3750-ADVIPSERVICESK

***********************************************************************************

Regards

I

[Leo Laohoo]

Base on this we decided to change the software image  12.2(35)SE1  C3750-ADVIPSERVICESK   --->  122-53.SE2 IPSERVICES

Go for 12.2(55)SE4 instead.

archive download-sw /allow-feature-upgrade /overwrite  tftp://192.168.0.24/c3750-ipservicesk9-tar.122-53.SE2.tar

I believe the command should be:

archive download-sw /dest 1 /dest 2 /dest 3 /dest 4 /dest 5 /allow-feature-upgrade /overwrite  tftp://192.168.0.24/c3750-ipservicesk9-tar.122-53.SE2.tar

[filiberto.aguirre]

Hi Leo,

I really appreciate your time  for answering my doubts.

I haven't notice about the option /dest 1 /dest 2.....  I  thought it was enough to laod tar file in master.

any reason for using 12.2(55)SE4 ?

regards

[Leo Laohoo]

I haven't notice about the option /dest 1 /dest 2.....  I  thought it was enough to laod tar file in master.

Currently, only the 2960S does NOT need the "/dest 1 /dest n" command-switch.  I have no idea as to why this feature isn't ported into the 3750/3750E/3750X.

any reason for using 12.2(55)SE4 ?

IOS version 15.0(1)SE has a memory leak and it affects any appliance that runs this version. 12.2(58)SE also has a similar (but not the same) memory leak bug.  If you want to run 12.2(58) then I recommend looking at the 12.2(58)SE2.  If you find the need to run 15.0(1)SE then I'd recommend you stay away from this version like a plague.  The fix for this version is scheduled to be out by March 2012.