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For the below command i didn't receive any output it's showing "blank"

snmpwalk -v2c -c <SNMPstring> <ip address>|grep ifName

manimurugesan wrote:For the below command i didn't receive any output it's showing "blank"

snmpwalk -v2c -c <SNMPstring> <ip address>|grep ifName

That would lead me to believe that the switch either doesn't report IF-MIB::ifName at all, OR they are blocked in the SNMP configuration for your community string.

SNMP configuration for community string is fine .but could you please tell me how to check the IF-MIB::ifName from switch end ?

manimurugesan wrote:SNMP configuration for community string is fine .but could you please tell me how to check the IF-MIB::ifName from switch end ?

This is going to be switch dependent, you would need to reach out to the hardware vendor.