Hi Bharathiraja
I have some devices of differents vendor: Cisco Catalys, Cisco Nexus, Extreme, Avaya.
View Cisco Device
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View Avaya Device
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This is the configuration snmpv2 to Cisco "snmp-server group BCNOC v3 priv
snmp-server user snmpc0rr3v4l BCNOC v3 auth md5 snmpc0rr3v4l priv aes128 snmpc0rr3v4l"