I have a laptop I often use while outside the house ie on the WAN side of the home modem router. I have a raspberry pi on the inside of the house ie on the LAN side of the home modem router. The raspberry pi is running NET-SNMP version 5.7.3. I can snmpwalk all the MIBs of the raspberry pi while at home on the LAN, but not while outside the house on the WAN.
All port forwarding is set up on the home modem router, and I sucessfully use port forwarding with dydns, for a number of services, every day. The port forwarding on the home modem router for the SNMP service on the rasp pi looks like this "home router WAN IP":1234 --> 192.168.1.131 : 161 I have a feeling, but no evidence, perhaps I read it somewhere or someone suggested it, that the SNMP stack on the rasp pi is responding snmpwalk requests from the WAN side of the home modem router, but can't get it's packets back out across the home modem router to the WAN. Perhaps someone can comemnt on this. I have also heard that SNP does not support NAT, but even if this is true I know there is a work around for everything, if there is a will. Can anyone give me ideas for a workaround this problem or any other ideas?
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