Difference between revisions of "Loading IOS on a WS-C3850 Switch"
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** Answer ''no'' when asked if you want to save the configuration | ** Answer ''no'' when asked if you want to save the configuration | ||
* If you have a stack of 3850 switches, this only needs to be done on one stack member. The software will be upgraded on all stack members. | * If you have a stack of 3850 switches, this only needs to be done on one stack member. The software will be upgraded on all stack members. | ||
| + | |||
If downgrading from a newer IOS version, you may have to follow these instructions: https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3850/software/release/16-3/release_notes/ol-16-3-3850.html#34555 | If downgrading from a newer IOS version, you may have to follow these instructions: https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3850/software/release/16-3/release_notes/ol-16-3-3850.html#34555 | ||
| + | In a nutshell: | ||
| + | * Configure network connectivity as above | ||
| + | * Clean old packages: <code>request platform software package clean switch all file flash:</code> (confirm with "y") | ||
| + | * Copy new bin file from tftp server to flash | ||
| + | * Install (downgrade to) new bin file: <code>request platform software package install switch all file flash:whatever-filename.bin new auto-copy</code> | ||
Latest revision as of 10:16, 18 June 2018
- Connect to the serial console
- Connect the Mgmt interface to your network
- Configure the Mgmt network interface (that's GigabitEthernet 0/0)
- Test connectivity:
ping vrf Mgmt-intf 192.168.1.11orping vrf Mgmt-vrf 192.168.1.11
- Set Mgmt interface as interface to use for TFTP transfer:
conf tip tftp source-interface gigabitEthernet 0/0exit
- Copy the
.binfile toflash:via TFTPcopy tftp: flash:
- Install the
.binfile using this command:software install file flash:cat3k_caa-universalk9.SPA.03.07.01.E.152-3.E1.bin- Answer yes when asked if you want to relaod the switch
- Answer no when asked if you want to save the configuration
- If you have a stack of 3850 switches, this only needs to be done on one stack member. The software will be upgraded on all stack members.
If downgrading from a newer IOS version, you may have to follow these instructions: https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3850/software/release/16-3/release_notes/ol-16-3-3850.html#34555
In a nutshell:
- Configure network connectivity as above
- Clean old packages:
request platform software package clean switch all file flash:(confirm with "y") - Copy new bin file from tftp server to flash
- Install (downgrade to) new bin file:
request platform software package install switch all file flash:whatever-filename.bin new auto-copy
