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—-Upgrading a Nexus————————

–Check BGP neighbors
–Check OSPF Neighbors
–Dump route table
–VPC’s
–VLANs
–Port-channels and status
–show interface status

2. Save configuration
– copy running start.
Backup config for NX-OS
– copy startup-config tftp://172.20.1.50

5. Copy the EPLD + NX-OS image file to bootflash
copy SCP://172.168.1.50/n9000-epld.9.3.7.img bootflash://n9000-epld.9.3.7.img
copy SCP://172.168.1.50/nxos.9.3.7.bin bootflash://nxos.9.3.7.bin

6. Verify MD5 Checksum

-show file bootflash://sup-local/nxos.9.3.7.bin md5sum
-show file bootflash://sup-local/n9000-epld.9.3.7.img md5sum

7. Determine if you need to upgrade the BIOS for the image

show install all impact nxos bootflash:nxos.9.3.7.bin
copy running-config startup-config

8. Upgrade the BIOS(If Required)
install all nxos bootflash:nxos.9.3.7.bin

9.Install epld bootflash:n9000-epld.9.3.7.img module all
(newer versions don’t have a this from memory)

10. Reboot

Step 11.

-Check BGP neighbors
–Check OSPF Neighbors
–Dump route table
–VPC’s
–VLANs
–Port-channels and status
–show interface status

Notes About Nexus

—Features
All features can be turned off/On within the Nexus
//Configuration
conft
feature eigrp
no feature eigrp
—OSPF Routing
Done under the interface
feature ospf
router ospf 1
router-id 1.1.1.1

int vlan
ip router ospf 1 area 0
—-show log
show logging log
—Trunking to a non Nexus Device
no spanning-tree bridge assurance