RE: Is there a way to keep the original sender's IP in forwarded traps

"Mike Ayers" <[email protected]>
Newsgroups gmane.network.net-snmp.user
Message-ID <83E753BE7B6A324ABB336245BAF1DAAC0C93E70C@mailserver.metatv-ds.metatv.com>
> From: Arnold Wang [mailto:[email protected]] 
> Sent: Wednesday, July 01, 2009 3:21 PM


> Is it possible for machine A to keep/retain the IP of the 
> Cisco router when forwarding the traps to machine B? Did I 
> miss anything?

	You did not miss anything.  As strange as it may seem, originating addresses are not considered management information in SNMP.  SNMPv3 has the notion of engineID, which is both more accurate and more widely applicable than source IP address, but for SNMPv1/v2c there is no simple solution.  Could you perhaps change the community of the traps to something like "routername-traps", and associate thaty community with a source in your NMS?


	HTH,

Mike

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