Need to update firmware on Cisco WS-C3750-24PS-S

rmiller · ‎10-27-2017

I am assuming I need to update the firmware on my stack and on an unconfigured WS-C3750-24PS-S I want to add to the stack. Presently the stack has SW version 12.2(37)SE and the new switch has 12.2(50)SE3. How do I find the right image to upload and how do I update the firmware without causing problems? I am assuming the firmware has to match to add this switch to the stack?

Reza Sharifi · ‎10-27-2017

In a stack environment, all switches need to run the same exact IOS verion. So, you have 2 options here, upgrade the stack to 12.2(50)SE3 to match the single switch and than add the single switch to the stack. See link below. Or downgrade the single switch to match the stack, add the switch to the stack and than upgrade the entire stack. Option 1 seems easier. Here is a link on how to add a single switch to a stack:

https://www.cisco.com/c/en/us/support/docs/switches/catalyst-3750-series-switches/71925-cat3750-create-switch-stks.html#anc16

If you want to install a completely different image you need to go to Cisco site and support the IOS you want and than load it to the switches. in order to download a new IOS, you need a valid service contract and a CCO account.

https://www.cisco.com/c/en/us/support/docs/switches/catalyst-3750-series-switches/64898-upgrade-3750-stack.html

HTH

Leo Laohoo · ‎10-27-2017

I agree with Reza.

I would also like to add that if it's possible, upgrade the stack IOS. 12.2(50)SE train isn't that stable.

A very, very stable for the 3750-series family of switches is the 12.2(55)SE-train.

rmiller · ‎10-27-2017

@Leo Laohoo wrote:

I agree with Reza.

I would also like to add that if it's possible, upgrade the stack IOS. 12.2(50)SE train isn't that stable.

A very, very stable for the 3750-series family of switches is the 12.2(55)SE-train.

So, I would have to have a current contract to download this though?

Leo Laohoo · ‎10-27-2017

So, I would have to have a current contract to download this though?

Yes.

rmiller · ‎10-27-2017

@Leo Laohoo wrote:

I agree with Reza.

I would also like to add that if it's possible, upgrade the stack IOS. 12.2(50)SE train isn't that stable.

A very, very stable for the 3750-series family of switches is the 12.2(55)SE-train.

I do not have a current contract, but even if I did, I don't see my WS-C3750-24PS-S switch listed for this release:

Leo Laohoo · ‎10-27-2017

but even if I did, I don't see my WS-C3750-24PS-S switch listed for this release:

Won't make any difference. The entire family share the same code. Just download the correct version. Because this is a "plain" 3750 (non-GigabitEthernet access ports), then the "highest" version this unit can load (due to it's limited flash space) is 12.2(55)SE train. So grab the latest TAR file with this version.

rmiller · ‎10-27-2017

@Leo Laohoo wrote:

but even if I did, I don't see my WS-C3750-24PS-S switch listed for this release:

Won't make any difference. The entire family share the same code. Just download the correct version. Because this is a "plain" 3750 (non-GigabitEthernet access ports), then the "highest" version this unit can load (due to it's limited flash space) is 12.2(55)SE train. So grab the latest TAR file with this version.

So, I don't have a current contract -- can I pull the 12.2(50)SE file from the newer switch somehow and flash it to the stack so they have the same IOS?

Leo Laohoo · ‎10-27-2017

Yes, you can.

From the existing stack, post the complete output to the command "sh version".

rmiller · ‎10-27-2017

@Leo Laohoo wrote:

Yes, you can.

From the existing stack, post the complete output to the command "sh version".

SRSTACK#sh version
Cisco IOS Software, C3750 Software (C3750-IPBASEK9-M), Version 12.2(37)SE, RELEA SE SOFTWARE (fc2)
Copyright (c) 1986-2007 by Cisco Systems, Inc.
Compiled Thu 10-May-07 16:31 by antonino
Image text-base: 0x00003000, data-base: 0x012C0000

ROM: Bootstrap program is C3750 boot loader
BOOTLDR: C3750 Boot Loader (C3750-HBOOT-M) Version 12.2(25r)SEC, RELEASE SOFTWAR E (fc4)

SRSTACK uptime is 1 year, 7 weeks, 6 days, 7 hours, 30 minutes
System returned to ROM by power-on
System image file is "flash:c3750-ipbasek9-mz.122-37.SE/c3750-ipbasek9-mz.122-37 .SE.bin"

This product contains cryptographic features and is subject to United
States and local country laws governing import, export, transfer and
use. Delivery of Cisco cryptographic products does not imply
third-party authority to import, export, distribute or use encryption.
Importers, exporters, distributors and users are responsible for
compliance with U.S. and local country laws. By using this product you
agree to comply with applicable laws and regulations. If you are unable
to comply with U.S. and local laws, return this product immediately.

A summary of U.S. laws governing Cisco cryptographic products may be found at:
http://www.cisco.com/wwl/export/crypto/tool/stqrg.html

If you require further assistance please contact us by sending email to
export@cisco.com.

cisco WS-C3750-24P (PowerPC405) processor (revision H0) with 118784K/12280K bytes of memory.
Processor board ID CAT1010R2GQ
Last reset from power-on
6 Virtual Ethernet interfaces
72 FastEthernet interfaces
6 Gigabit Ethernet interfaces
The password-recovery mechanism is enabled.

512K bytes of flash-simulated non-volatile configuration memory.
Base ethernet MAC Address : 00:17:5A:48:80:80
Motherboard assembly number : 73-9672-07
Power supply part number : 341-0029-04
Motherboard serial number : CAT101006CA
Power supply serial number : LIT1005006A
Model revision number : H0
Motherboard revision number : A0
Model number : WS-C3750-24PS-S
System serial number : CAT1010R2GQ
Top Assembly Part Number : 800-25860-03
Top Assembly Revision Number : C0
Version ID : V04
CLEI Code Number : CNMV1K0CRC
Hardware Board Revision Number : 0x01

Switch Ports Model SW Version SW Image
------ ----- ----- ---------- ----------
1 26 WS-C3750-24P 12.2(37)SE C3750-IPBASEK9-M
* 2 26 WS-C3750-24P 12.2(37)SE C3750-IPBASEK9-M
3 26 WS-C3750-24P 12.2(37)SE C3750-IPBASEK9-M

Switch 01
---------
Switch Uptime : 1 year, 7 weeks, 6 days, 7 hours, 30 minutes
Base ethernet MAC Address : 00:1A:2F:CD:39:00
Motherboard assembly number : 73-9672-10
Power supply part number : 341-0029-03
Motherboard serial number : CAT104658AY
Power supply serial number : LIT12330H6L
Model revision number : J0
Motherboard revision number : A0
Model number : WS-C3750-24PS-S
System serial number : CAT1046NJVH
Top assembly part number : 800-25860-05
Top assembly revision number : A0
Version ID : V06
CLEI Code Number : 456622

Switch 03
---------
Switch Uptime : 1 year, 7 weeks, 6 days, 7 hours, 30 minutes
Base ethernet MAC Address : 00:1F:6D:F4:8A:00
Motherboard assembly number : 73-9672-10
Power supply part number : 341-0029-05
Motherboard serial number : FDO120511ET
Power supply serial number : LIT12040MCM
Model revision number : R0
Motherboard revision number : A0
Model number : WS-C3750-24PS-S
System serial number : FDO1205Z62E
Top assembly part number : 800-25860-05
Top assembly revision number : A0
Version ID : V06
CLEI Code Number : COMU410ARA

Configuration register is 0xF

rmiller · ‎10-27-2017

And this is from the NEW switch:

office#sh version
Cisco IOS Software, C3750 Software (C3750-IPBASEK9-M), Version 12.2(50)SE3, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2009 by Cisco Systems, Inc.
Compiled Wed 22-Jul-09 06:19 by prod_rel_team
Image text-base: 0x01000000, data-base: 0x02900000

ROM: Bootstrap program is C3750 boot loader
BOOTLDR: C3750 Boot Loader (C3750-HBOOT-M) Version 12.2(44)SE5, RELEASE SOFTWARE (fc1)

office uptime is 3 hours, 14 minutes
System returned to ROM by power-on
System image file is "flash:c3750-ipbasek9-mz.122-50.SE3/c3750-ipbasek9-mz.122-50.SE3.bin"

This product contains cryptographic features and is subject to United
States and local country laws governing import, export, transfer and
use. Delivery of Cisco cryptographic products does not imply
third-party authority to import, export, distribute or use encryption.
Importers, exporters, distributors and users are responsible for
compliance with U.S. and local country laws. By using this product you
agree to comply with applicable laws and regulations. If you are unable
to comply with U.S. and local laws, return this product immediately.

A summary of U.S. laws governing Cisco cryptographic products may be found at:
http://www.cisco.com/wwl/export/crypto/tool/stqrg.html

If you require further assistance please contact us by sending email to
export@cisco.com.

cisco WS-C3750-24P (PowerPC405) processor (revision H0) with 131072K bytes of memory.
Processor board ID CAT0948R26T
Last reset from power-on
1 Virtual Ethernet interface
48 FastEthernet interfaces
4 Gigabit Ethernet interfaces
The password-recovery mechanism is enabled.

512K bytes of flash-simulated non-volatile configuration memory.
Base ethernet MAC Address : 00:16:46:E7:58:80
Motherboard assembly number : 73-9672-07
Power supply part number : 341-0029-04
Motherboard serial number : CAT094713QP
Power supply serial number : LIT094403MS
Model revision number : H0
Motherboard revision number : A0
Model number : WS-C3750-24PS-S
System serial number : CAT0948R26T
Top Assembly Part Number : 800-25860-03
Top Assembly Revision Number : C0
Version ID : V04
CLEI Code Number : CNMV1K0CRC
Hardware Board Revision Number : 0x01

Switch Ports Model SW Version SW Image
------ ----- ----- ---------- ----------
* 4 26 WS-C3750-24P 12.2(50)SE3 C3750-IPBASEK9-M

Configuration register is 0xF

Leo Laohoo · ‎10-27-2017

flash:c3750-ipbasek9-mz.122-37.SE/c3750-ipbasek9-mz.122-37.SE.bin

You will need to copy this file (above) from the existing stack to the new switch.

rmiller · ‎10-29-2017

@Leo Laohoo wrote:
flash:c3750-ipbasek9-mz.122-37.SE/c3750-ipbasek9-mz.122-37.SE.bin
You will need to copy this file (above) from the existing stack to the new switch.

Okay, so I have copied this file to my PC via TFTP -- how do I copy it to the appropriate location on the new switch? Is it just switch#copy tftp flash ?

rmiller · ‎10-29-2017

@Leo Laohoo wrote:
flash:c3750-ipbasek9-mz.122-37.SE/c3750-ipbasek9-mz.122-37.SE.bin
You will need to copy this file (above) from the existing stack to the new switch.

Here's the current running configuration on the new switch. Is there anything here that will cause problems when the new switch is connected into the new stack? I'm particularly concerned about these two lines. The new switch had already been numbered 3, and I have renumbered it 4:

switch 3 provision ws-c3750-24p
switch 4 provision ws-c3750-24p

office#sho run
Building configuration...

Current configuration : 4177 bytes
!
version 12.2
no service pad
service timestamps debug datetime msec
service timestamps log datetime msec
service password-encryption
!
hostname office
!
boot-start-marker
boot-end-marker
!
enable secret 5 $1$DAdG$SyR7RwP49Gmb9e1BMhtoU1
!
username administrator secret 5 $1$Dhij$.s751ysOfpYrF1uqQ3xYO0
no aaa new-model
switch 3 provision ws-c3750-24p
switch 4 provision ws-c3750-24p
system mtu routing 1500
ip subnet-zero
!
!
!
!
crypto pki trustpoint TP-self-signed-1189566592
enrollment selfsigned
subject-name cn=IOS-Self-Signed-Certificate-1189566592
revocation-check none
rsakeypair TP-self-signed-1189566592
!
!
crypto pki certificate chain TP-self-signed-1189566592
certificate self-signed 01
[removed]
quit
!
!
!
!
!
spanning-tree mode pvst
spanning-tree etherchannel guard misconfig
spanning-tree extend system-id
!
vlan internal allocation policy ascending
!
!
!
interface FastEthernet3/0/1
!
interface FastEthernet3/0/2
!
interface FastEthernet3/0/3
!
interface FastEthernet3/0/4
!
interface FastEthernet3/0/5
!
interface FastEthernet3/0/6
!
interface FastEthernet3/0/7
!
interface FastEthernet3/0/8
!
interface FastEthernet3/0/9
!
interface FastEthernet3/0/10
!
interface FastEthernet3/0/11
!
interface FastEthernet3/0/12
!
interface FastEthernet3/0/13
!
interface FastEthernet3/0/14
!
interface FastEthernet3/0/15
!
interface FastEthernet3/0/16
!
interface FastEthernet3/0/17
!
interface FastEthernet3/0/18
!
interface FastEthernet3/0/19
!
interface FastEthernet3/0/20
!
interface FastEthernet3/0/21
!
interface FastEthernet3/0/22
!
interface FastEthernet3/0/23
!
interface FastEthernet3/0/24
!
interface GigabitEthernet3/0/1
!
interface GigabitEthernet3/0/2
!
interface FastEthernet4/0/1
!
interface FastEthernet4/0/2
!
interface FastEthernet4/0/3
!
interface FastEthernet4/0/4
!
interface FastEthernet4/0/5
!
interface FastEthernet4/0/6
!
interface FastEthernet4/0/7
!
interface FastEthernet4/0/8
!
interface FastEthernet4/0/9
!
interface FastEthernet4/0/10
!
interface FastEthernet4/0/11
!
interface FastEthernet4/0/12
!
interface FastEthernet4/0/13
!
interface FastEthernet4/0/14
!
interface FastEthernet4/0/15
!
interface FastEthernet4/0/16
!
interface FastEthernet4/0/17
!
interface FastEthernet4/0/18
!
interface FastEthernet4/0/19
!
interface FastEthernet4/0/20
!
interface FastEthernet4/0/21
!
interface FastEthernet4/0/22
!
interface FastEthernet4/0/23
!
interface FastEthernet4/0/24
!
interface GigabitEthernet4/0/1
!
interface GigabitEthernet4/0/2
!
interface Vlan1
no ip address
!
ip default-gateway 10.25.62.254
ip classless
ip http server
ip http secure-server
!
!
control-plane
!
!
line con 0
exec-timeout 30 0
password 7 045907130A27435C0D48
logging synchronous
login
line vty 0 4
exec-timeout 30 0
password 7 045907130A27435C0D48
logging synchronous
login
line vty 5 15
login
!
end

rmiller · ‎10-29-2017

@Leo Laohoo wrote:
flash:c3750-ipbasek9-mz.122-37.SE/c3750-ipbasek9-mz.122-37.SE.bin
You will need to copy this file (above) from the existing stack to the new switch.

This is from the show switch command:

office#show switch
Switch/Stack Mac Address : 0016.46e7.5880
H/W Current
Switch# Role Mac Address Priority Version State
----------------------------------------------------------
3 Member 0000.0000.0000 0 0 Provisioned
*4 Master 0016.46e7.5880 9 0 Ready