Need help scripting config changes via snmp on Nexus 9k

[baron164]

I  am looking into writing a script that will make vlan port changes on a Nexus 9k series switch. I'm looking to use snmp to facilitate this but I've been unable to find any documentation to help me figure out how to go about it. I am hoping someone here can point me in the right direction.

[Flavio Miranda]

Hi

  Best way is using Python, Expect or Ansible.  Here a very simples script I wrote in Expect. Basicaly what it does is access a device, execute a command, grab de output and leave.

 You can adapt according to your needs.

#!/usr/bin/expect

set router  "x.x.x.x"
set username  "user"
set password  "pass"
set port "22"
spawn ssh -p $port  $router
match_max 100000000

set timeout 6

expect "(yes/no)?" {
send "yes\r"; exp_continue }

expect User:
send -- "$username\r"

expect Password:
send -- "$password\r"

expect  >

send -- "terminal lengh 0\r"

send -- "sh run | i snmp\r"

log_file  "show_snmp.txt"

send "logout\r"

expect "(y/N)"
send -- "n\r"

expect eof

[keibler09]

Baron,

   Using SNMP to make config changes is not the way to go.. Flavio is correct in the programming languages but did not mention netconf. You may want to check out the 9k program guide.  

https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus9000/sw/7-x/programmability/guide/b_Cisco_Nexus_9000_Series_NX-OS_Programmability_Guide_7x/b_Cisco_Nexus_9000_Series_NX-OS_Programmability_Guide_7x_chapter_010101.html

[balaji.bandi]

in addition to @Flavio Miranda ....i am  exploring some stuff with Python: may below help you :

https://developer.cisco.com/docs/nx-os/#!interface-module/interface-class