How to make relay DNS queries with original source IP on Cisco 3945?

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hpc_422018-10-17 09:24:12

Cisco

hpc_42, 2018-10-17 09:24:12

How to make relay DNS queries with original source IP on Cisco 3945?

Good day.
There is a scheme in which many clients are connected to 3945, the clients are statically configured, they have loobpack 3945 as their DNS, and only name-server is set on the router itself. Accordingly, requests from loop 3945 are visible in the logs on the DNS server, but there is a need to write exactly the client addresses in the logs.
Is there a configuration for Cisco routers that will allow DNS query relaying while keeping the clients' original IPs?

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