For 3850 switches, it is in this post:
Stacking Requirements:
Hardware Requirement:
The 2960-S and 2960-X support a mixed stack of 2960 models. All these 2960 models run the FlexStack protocol, allowing them to be stacked together into a single stack. The exception is the 2960-XR does not stack with either the 2960-X or the 2960-S.
When the 2960-S and 2960-X members are stacked together, the entire stack (even the 2960-X members) fall back to FlexStack capabilities. Mixing 2960 members limits the max stack members to four, and 20Gbps stack bandwidth per member, and 40Gbps per stack also stack convergence time is increased from milliseconds to 1 to 2 seconds.
Software Version Requirement:
All stack members must run the same Cisco IOS software image to ensure compatibility among stack members. Stacking is not supported on switches running the LAN Lite image. All switches in the stack must be running the LAN Base image.
Installation:
1. Insert the Module
2. Connect Cables
3. Verification
Reloading one member:
4. Other Commands:
4.1 Dir Flash:
The command "dir flash:" means "show me the flash content of the MASTER switch".
The command "dir flash1:" means "show me the flash content of switch stack member 1".
The command "dir flash2:" means "show me the flash content of switch stack member 2".
4.2 Steps to upgrade Stacking Switches IOS:
4.2.1 TFTP or FTP to both flash:
Remember: If you don’t upgrade the IOS on every switch, you will have a version mismatch! To resolve this problem, use the command “archive copy-sw /force-reload /overwrite /dest 2 1” as suggested by the local log!
Copy system image from member 1 to member 2
Upgrading IOS from FTP tar file:
For TFTP:
References:
1. Insert the Module
2. Connect Cables
 |
| Creating a Switch Stack from Two Standalone Switches |
 |
| Adding a Standalone Switch to a Switch Stack |
3. Verification
EXT1#show ver
Cisco IOS Software, C2960X Software (C2960X-UNIVERSALK9-M), Version 15.0(2a)EX5, RELEASE SOFTWARE (fc3)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2015 by Cisco Systems, Inc.
Compiled Mon 16-Feb-15 08:16 by prod_rel_team
ROM: Bootstrap program is C2960X boot loader
BOOTLDR: C2960X Boot Loader (C2960X-HBOOT-M) Version 15.2(3r)E1, RELEASE SOFTWARE (fc1)
SW-DMZ-F5EXT1 uptime is 3 hours, 59 minutes
System returned to ROM by power-on
System restarted at 11:02:11 EDT Mon Oct 17 2016
System image file is "flash:/c2960x-universalk9-mz.150-2a.EX5/c2960x-universalk9-mz.150-2a.EX5.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-C2960X-24PS-L (APM86ZZZ) processor (revision L0) with 524288K bytes of memory.
Processor board ID FCW2014B3YB
Last reset from power-on
1 Virtual Ethernet interface
1 FastEthernet interface
56 Gigabit Ethernet interfaces
The password-recovery mechanism is enabled.
512K bytes of flash-simulated non-volatile configuration memory.
Base ethernet MAC Address : 00:6C:BC:CE:5C:00
Motherboard assembly number : 73-16694-04
Power supply part number : 341-0528-02
Motherboard serial number : FOC20145HSN
Power supply serial number : LIT20021AUV
Model revision number : L0
Motherboard revision number : B0
Model number : WS-C2960X-24PS-L
Daughterboard assembly number : 73-14200-03
Daughterboard serial number : FOC20145WY6
System serial number : FCW2015B3YB
Top Assembly Part Number : 68-100472-02
Top Assembly Revision Number : A0
Version ID : V04
CLEI Code Number : CMMLR00ARD
Daughterboard revision number : A0
Hardware Board Revision Number : 0x18
Switch Ports Model SW Version SW Image
------ ----- ----- ---------- ----------
* 1 28 WS-C2960X-24PS-L 15.0(2a)EX5 C2960X-UNIVERSALK9-M
2 28 WS-C2960X-24TS-L 15.0(2)EX5 C2960X-UNIVERSALK9-M
 |
| Cisco 2960 Stacking MAST LED Status for Master and Members |
EXT1#show switch
Switch/Stack Mac Address : 006c.bccd.5c00
H/W Current
Switch# Role Mac Address Priority Version State
----------------------------------------------------------
*1 Master 006c.bccd.5c00 14 4 Ready
2 Member ccd8.c149.a080 1 4 Ready
EXT1#show switch detail
Switch/Stack Mac Address : 006c.bccd.5c00
H/W Current
Switch# Role Mac Address Priority Version State
----------------------------------------------------------
*1 Master 006c.bccd.5c00 14 4 Ready
2 Member ccd8.c149.a080 1 4 Ready
Stack Port Status Neighbors
Switch# Port 1 Port 2 Port 1 Port 2
--------------------------------------------------------
1 Ok Ok 2 2
2 Ok Ok 1 1
Reloading one member:
EXT1#reload slot ? <1-8> Slot number of RP or line card EXT1#reload slot 2 Proceed with reload? [confirm] EXT1#show swi EXT1#show switch Switch/Stack Mac Address : 006c.bccd.5c00 H/W Current Switch# Role Mac Address Priority Version State ---------------------------------------------------------- *1 Master 006c.bccd.5c00 14 4 Ready 2 Member ccd8.c149.a080 1 4 Ready
EXT1#reload slot 1 Proceed with reload? [confirm] Switch 1 reloading...
EXT1#show switch Switch/Stack Mac Address : ccd8.c149.a080 H/W Current Switch# Role Mac Address Priority Version State ---------------------------------------------------------- 1 Member 006c.bccd.5c00 14 4 Ready *2 Master ccd8.c149.a080 1 4 Ready
EXT1#show switch Switch/Stack Mac Address : 006c.bccd.5c00 H/W Current Switch# Role Mac Address Priority Version State ---------------------------------------------------------- *1 Master 006c.bccd.5c00 14 4 Ready 2 Member 0000.0000.0000 0 0 Removed
EXT1#session ? <1-8> Switch number EXT1#session 1 EXT1-1#
EXT1#show switch stack-ring speed Stack Ring Speed : 20G Stack Ring Configuration: Full Stack Ring Protocol : FlexStack EXT1#show switch stack-ports Switch # Port 1 Port 2 -------- ------ ------ 1 Ok Ok 2 Ok Ok EXT1#show switch Switch/Stack Mac Address : 70f3.5a00.e480 H/W Current Switch# Role Mac Address Priority Version State ---------------------------------------------------------- *1 Master 70f3.5a00.e480 1 4 Ready 2 Member 00a3.d158.6d80 1 4 Ready
4. Other Commands:
4.1 Dir Flash:
EXT1#dir flash:
Directory of flash:/
2 -rwx 6052 Sep 8 2015 16:22:58 -04:00 backup-Sep--8-16-22-58.780-EDT-3
3 -rwx 5859 Sep 4 2015 14:48:57 -04:00 backup-Sep--4-14-48-57.033-EDT-0
4 -rwx 616 Sep 27 2016 22:58:35 -04:00 vlan.dat.renamed
5 -rwx 6035 Sep 8 2015 13:52:08 -04:00 backup-Sep--8-13-52-08.835-EDT-1
6 -rwx 5780 Sep 4 2015 15:19:15 -04:00 backup-Sep--4-15-19-15.225-EDT-0
7 -rwx 6071 Sep 8 2015 13:52:31 -04:00 backup-Sep--8-13-52-31.858-EDT-2
8 drwx 512 Jan 3 2000 10:02:28 -05:00 c2960x-universalk9-mz.150-2.EX5
647 drwx 512 Jan 3 2000 10:02:28 -05:00 dc_profile_dir
649 -rwx 6185 Jan 5 2016 21:25:51 -05:00 backup-Jan--5-21-25-51.166-EST-0
650 -rwx 6282 Jan 15 2016 19:52:56 -05:00 backup-Jan-15-19-52-56.460-EST-1
651 -rwx 5637 Sep 27 2016 22:59:24 -04:00 backup-Sep-27-22-59-24.303-EDT-2
653 -rwx 3563 Sep 27 2016 22:59:24 -04:00 private-config.text.renamed
654 -rwx 5637 Sep 27 2016 22:59:24 -04:00 config.text.renamed
655 -rwx 759 Sep 30 2016 00:10:23 -04:00 express_setup.debug
656 -rwx 556 Oct 17 2016 11:29:24 -04:00 vlan.dat
657 -rwx 9113 Oct 17 2016 15:10:59 -04:00 config.text
658 -rwx 3932 Oct 17 2016 15:11:00 -04:00 private-config.text
659 -rwx 1048 Oct 18 2016 11:15:09 -04:00 multiple-fs
122185728 bytes total (98629632 bytes free)
EXT1#dir flash1:
Directory of flash1:/
2 -rwx 9113 Oct 17 2016 15:11:00 -04:00 backup-Oct-17-15-11-00.081-EDT-3
3 -rwx 9113 Oct 17 2016 15:01:10 -04:00 backup-Oct-17-15-01-10.353-EDT-2
4 -rwx 556 Oct 18 2016 07:18:55 -04:00 vlan.dat
5 -rwx 9113 Oct 17 2016 13:58:28 -04:00 backup-Oct-17-13-58-28.859-EDT-1
6 -rwx 8132 Oct 7 2016 16:51:18 -04:00 backup-Oct--7-16-51-18.005-EDT-0
7 -rwx 8134 Oct 17 2016 12:43:53 -04:00 backup-Oct-17-12-43-53.701-EDT-0
8 drwx 512 Apr 7 2016 05:22:59 -04:00 c2960x-universalk9-mz.150-2a.EX5
647 drwx 512 Apr 7 2016 05:23:01 -04:00 dc_profile_dir
649 -rwx 3932 Oct 17 2016 15:10:59 -04:00 private-config.text
650 -rwx 9113 Oct 17 2016 15:10:59 -04:00 config.text
651 -rwx 2072 Oct 17 2016 11:15:34 -04:00 multiple-fs
122185728 bytes total (98645504 bytes free)
The command "dir flash:" means "show me the flash content of the MASTER switch".
The command "dir flash1:" means "show me the flash content of switch stack member 1".
The command "dir flash2:" means "show me the flash content of switch stack member 2".
4.2 Steps to upgrade Stacking Switches IOS:
4.2.1 TFTP or FTP to both flash:
copy ftp: flash1: copy ftp: flash2:4.2.2Configure both switches to use new BIN file:
boot system switch all flash:/c2960s-universalk9-mz.150-2.SE5.bin4.2.3 Save and reload both switch members at the same time:
Remember: If you don’t upgrade the IOS on every switch, you will have a version mismatch! To resolve this problem, use the command “archive copy-sw /force-reload /overwrite /dest 2 1” as suggested by the local log!
Copy system image from member 1 to member 2
EXT1#archive copy-sw /force-reload /overwrite /destination-system 2 1 System software to be uploaded: System Type: 0x00000000 archiving c2960x-universalk9-mz.150-2a.EX5 (directory) archiving c2960x-universalk9-mz.150-2a.EX5/info (803 bytes) archiving c2960x-universalk9-mz.150-2a.EX5/html (directory) archiving c2960x-universalk9-mz.150-2a.EX5/html/zh (directory) ........(Omitted)
archiving c2960x-universalk9-mz.150-2a.EX5/c2960x-universalk9-mz.150-2a.EX5.bin (18233984 bytes)
archiving c2960x-universalk9-mz.150-2a.EX5 (directory)
archiving c2960x-universalk9-mz.150-2a.EX5/info (805 bytes)
archiving info (112 bytes)
examining image...
extracting info (112 bytes)
extracting c2960x-universalk9-mz.150-2a.EX5/info (803 bytes)
extracting c2960x-universalk9-mz.150-2a.EX5/info (805 bytes)
extracting info (112 bytes)
Stacking Version Number: 1.55
System Type: 0x00000000
Ios Image File Size: 0x01164A00
Total Image File Size: 0x015DE800
Minimum Dram required: 0x08000000
Image Suffix: universalk9-150-2a.EX5
Image Directory: c2960x-universalk9-mz.150-2a.EX5
Image Name: c2960x-universalk9-mz.150-2a.EX5.bin
Image Feature: IP|LAYER_2|SSH|3DES|MIN_DRAM_MEG=128
FRU Module Version: No FRU Version Specified
Old image for switch 2: flash:/c2960x-universalk9-mz.150-2.EX5
Old image will be deleted before download.
Deleting `flash:/c2960x-universalk9-mz.150-2.EX5' to create required space
Extracting images from archive into flash...
Warning: Unable to allocate memory to display the tar extraction of files,
however upgrade process is still continuing. If you would like to
see the tar extraction output, try upgrading one switch at a time.
Installing (renaming): `flash:update/c2960x-universalk9-mz.150-2a.EX5' ->
`flash:/c2960x-universalk9-mz.150-2a.EX5'
New software image installed in flash:/c2960x-universalk9-mz.150-2a.EX5
Deleting old files from dc profile dir "flash:/dc_profile_dir"
All software images installed.
Requested system reload in progress...
Upgrading IOS from FTP tar file:
EXT1#archive download-sw /leave-old-sw ftp://test:test@10.9.200.14/c2960x-universalk9-tar.152-2.E5.tar Loading c2960x-universalk9-tar.152-2.E5.tar !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! [OK - 26900480/4096 bytes] Loading c2960x-universalk9-tar.152-2.E5.tar !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! examining image... extracting info (109 bytes) extracting c2960x-universalk9-mz.152-2.E5/info (786 bytes) extracting info (109 bytes) Stacking Version Number: 1.56 System Type: 0x00000000 Ios Image File Size: 0x0144B200 Total Image File Size: 0x019A7A00 Minimum Dram required: 0x08000000 Image Suffix: universalk9-152-2.E5 Image Directory: c2960x-universalk9-mz.152-2.E5 Image Name: c2960x-universalk9-mz.152-2.E5.bin Image Feature: IP|LAYER_2|SSH|3DES|MIN_DRAM_MEG=128 FRU Module Version: No FRU Version Specified Old image for switch 1: flash:/c2960x-universalk9-mz.150-2a.EX5 Old image will be left alone Old image for switch 2: flash2:/c2960x-universalk9-mz.150-2a.EX5 Old image will be left alone Extracting images from archive into flash... Extracting images from archive into flash on switch 2... Warning: Unable to allocate memory to display the tar extraction of files, however upgrade process is still continuing. If you would like to see the tar extraction output, try upgrading one switch at a time. Warning: Unable to allocate memory to display the tar extraction of files, however upgrade process is still continuing. If you would like to see the tar extraction output, try upgrading one switch at a time. Installing (renaming): `flash:update/c2960x-universalk9-mz.152-2.E5' -> `flash:/c2960x-universalk9-mz.152-2.E5' New software image installed in flash:/c2960x-universalk9-mz.152-2.E5 Installing (renaming): `flash2:/update/c2960x-universalk9-mz.152-2.E5' -> `flash2:/c2960x-universalk9-mz.152-2.E5' New software image installed in flash2:/c2960x-universalk9-mz.152-2.E5 Deleting old files from dc profile dir "flash:/dc_profile_dir" extracting dc profile file from "flash:/c2960x-universalk9-mz.152-2.E5/dc_default_profiles.txt" to "flash:/dc_profile_dir/dc_default_profiles.txt" extracting dc profile file from "flash2:/c2960x-universalk9-mz.152-2.E5/dc_default_profiles.txt" to "flash2:/dc_profile_dir/dc_default_profiles.txt" All software images installed.
EXT1(config)#do dir flash:
Directory of flash:/
2 -rwx 9113 Oct 17 2016 15:11:00 -04:00 backup-Oct-17-15-11-00.081-EDT-3
3 -rwx 9113 Oct 17 2016 15:01:10 -04:00 backup-Oct-17-15-01-10.353-EDT-2
4 -rwx 556 Oct 18 2016 07:18:55 -04:00 vlan.dat
5 -rwx 9113 Oct 17 2016 13:58:28 -04:00 backup-Oct-17-13-58-28.859-EDT-1
6 -rwx 8132 Oct 7 2016 16:51:18 -04:00 backup-Oct--7-16-51-18.005-EDT-0
7 -rwx 8134 Oct 17 2016 12:43:53 -04:00 backup-Oct-17-12-43-53.701-EDT-0
8 drwx 512 Apr 7 2016 05:22:59 -04:00 c2960x-universalk9-mz.150-2a.EX5
647 drwx 512 Oct 18 2016 12:28:11 -04:00 dc_profile_dir
652 -rwx 9242 Oct 18 2016 11:57:34 -04:00 backup-Oct-18-11-57-34.967-EDT-0
649 -rwx 2072 Oct 18 2016 11:57:34 -04:00 multiple-fs
650 -rwx 3932 Oct 18 2016 11:57:34 -04:00 private-config.text
651 -rwx 9242 Oct 18 2016 11:57:34 -04:00 config.text
654 drwx 512 Oct 18 2016 12:28:10 -04:00 c2960x-universalk9-mz.152-2.E5
122185728 bytes total (71591936 bytes free)
EXT1# show switch
Switch/Stack Mac Address : 006c.bccd.5c00
H/W Current
Switch# Role Mac Address Priority Version State
----------------------------------------------------------
*1 Master 006c.bccd.5c00 14 4 Ready
2 Member ccd8.c149.a080 1 4 Ready
EXT1# archive download-sw /leave-old-sw /reload tftp:10.20.10.30/saved/myImage.tar
References:
- Catalyst 2960-X Switch Stack Manager Configuration Guide, Cisco IOS Release 15.0(2)EX
- Cisco Catalyst 2960-S, 2960-X, and 2960-XR Stacking with FlexStack and FlexStack-Plus Technology: Description, Usage, and Best Practices
- How to upgrade a Cisco stack
- Cisco Catalyst 3850 Data Stack and Power Stack
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