Prerequisites Requirementsīefore you download software, refer to these sections of Release Notes for the Catalyst 3750, 3560, and 2970 Switches, Cisco IOS Release 12.2(25)SEB and Later for important information:įinding the Software Version and Feature Set The last step is to reboot the switch and confirm the new firmware after reboot: Switch#reloadĬisco IOS Software, C3750E Software (C3750E-UNIVERSALK9-M), Version 15.This document explains the step-by-step procedure to use the command-line interface (CLI) in order to upgrade the software image on Cisco Catalyst 3750 series switches that have a multiswitch stack configuration. Switch(config)#boot system switch all flash:/6.bin Next, let’s finally copy the file from our TFTP Server to the switch and tell the switch to boot the new firmware: Switch#copy t flash:/6.binĭestination filename ? We have enabled DHCP on the interface of VLAN 1, and then confirmed we have indeed been assigned an IP address. Let’s quickly run through, what we have done here. Interface IP-Address OK? Method Status Protocol *Mar 1 00:09:35.366: %LINK-3-UPDOWN: Interface Vlan1, changed state to up
*Mar 1 00:09:34.829: %SYS-5-CONFIG_I: Configured from console by console
We will enable the switch to retrieve an IP address from DHCP: Switch#conf tĮnter configuration commands, one per line. Your network should provide DHCP in our scenario. Next, let’s serial into the switch: Switch#dir flash:/Ĥ58 -rwx 1048 00:01:33 +00:00 multiple-fsģ drwx 512 19:48:23 +00:00 1ĥ7671680 bytes total (36307968 bytes free)Ĭonnect a port of the switch to be upgraded into your existing network, from where the TFTP Server is reachable. Under File –> Configure you can set the TFTP Server Root Directory.
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