On Tue, 3 Jan 2012 18:50:01 +0000 Holger wrote:
HK> Hi,
HK> 
HK> I have a Linux PC with one physical interface (eth0) and two IP
HK> aliases (eth0:0 and eth0:1) each with a different IP address. I am now
HK> writing a C MIB module to handle SNMP requests for my MIB. I would
HK> like to handle the requests differently depending on which of the
HK> interfaces (or IP address) the SNMP request was received on. Is that
HK> possible with NET-SNMP? If so, how do I get the IP address to which
HK> the request was sent from within the MIB module? I am using version
HK> Net-SNMP version 5.4.4.

see http://freesnmp.com/net-snmp/faqs/#packet-ip

Setting up context mapping is discussed here, just use your individual IPs
instead of 'default' in the com2sec lines..
http://www.net-snmp.org/wiki/index.php/Snmpd_proxy#Setting_up_SNMPv1_.28and_v2c.29_community.2Fcontext_mapping

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