[HECnet] Cisco DECnet routers and NML

[Mark Berryman]

> (I’m not sure who wrote this …)
> 
>>> 
>>> Unfortunately this doesn't seem to be feasible.  The issue is that my ISP blocks SNMP outbound -- I have no idea why they would so such a thing.  And as far as I can tell there isn't any way to tell Cisco to accept incoming SNMP requests on any port other than the standard one.
>> 

There is a fairly simple answer.  Have those routers that are willing to be polled for their DECnet information join a single mGRE tunnel.  Send the SNMP queries to each router’s mGRE address.  That will completely bypass any blocking ISPs.

Mark Berryman
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