Title: An SNMP Application Level Gateway for Payload Address Translation
Author(s): D. Raz, J. Schoenwaelder, B. Sugla.
Status: INFORMATIONAL
Date: Oct 2000
Length: 46803
This document describes the ALG (Application Level Gateway) for the SNMP (Simple Network Management Protocol) by which IP (Internet Protocol) addresses in the payload of SNMP packets are statically mapped from one group to another. The SNMP ALG is a specific case of an Application Level Gateway as described in [15].
An SNMP ALG allows network management stations to manage multiple networks that use conflicting IP addresses. This can be important in environments where there is a need to use SNMP with NAT (Network Address Translator) in order to manage several potentially overlapping addressing realms. This document includes a detailed description of the requirements and limitations for an implementation of an SNMP Application Level Gateway. It also discusses other approaches to exchange SNMP packets across conflicting addressing realms.
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