Cisco Problem and Solution

Upgrade: nxos.7.0.3.I2.3.bin to  nxos.7.0.3.I7.6.bin Problem: NEXUS 3000  can not upgrade because not enough space Work around:   reload the nexus, enter ctrl-L enter loader> loader> boot usb1:nxos.7.0.3.I7.6.bin after it loaded delete old nxos on the bootflash copy new ios from usb1:nxos.7.0.3.I7.6.bin to bootflash: switch# install all nxos bootflash:<nxos-image-name> switch# install all nxos bootflash:  nxos.7.0.3.I7.6.bin    

  Problem: trying to upgrade the stack switch C9300, but it failed because Switch 2 not enough space Front panel components of a Cisco Catalyst 9300L Series switch Figure 4.  C9300L-48P-4X Switch Front Panel 1 Beacon LED (UID button) 5 USB Type A storage port 2 Mode button 6 10/100/1000 PoE+ ports 3 Status LEDs 7 Fixed uplink ports 4 USB mini-Type B (console) port - - Solution:  To run on the clean up on the master switch  step1: make sure you back up the new IOS first, eg copy it to usb step2: run command to do clean up, it will remove un use bin and packages files             Switch# install remove inactive Step3: copy back the new ios from usb to flash Step4:  Switch# install add file flash:cat9k_lite_iosxe.16.09.02.SPA.bin activate commit - Switches will be upgraded and reboot

  Cisco Catalyst 3750V2-48PS Switch Problem: Switch 3 of the stack  is faulty ( dead ) Solution: Replace switch 3 after switch 3 replaced and stack cable connected from master switch it show switch 3 firmware mismatch  ( master switch IOS is different with new switch IOS ) #show switch detail master switch can access switch 3 flash, dir flash3: for example flash3 contain: directory c3750-ipbase-mz.122-35.SE5 we need to delete the directory and the file in it using /force and /recursive # delete /f /r flash2:c3750-ipbase-mz.122-35.SE5 after deleted copy IOS from the master to flash3 for example copy flash1:c3750-ipbasek9-mz-122-55.SE1.bin flash3: change boot var for switch 3 goto global config (config)#boot system switch 3 flash: c3750-ipbasek9-mz-122-55.SE1.bin #write mem #reload slot 3 switch 3 will reload and synch with other switch Task completed