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On my LAN network 192.168.0.x. My computer is linked to a small Netgear router

On some ping requests, I get an answer from the router, not from the actual server. On several requests targeting the same server, I might even get responses from both.


Reply from bytes=32 time=1ms TTL=225

Reply from ****: bytes=32 time=1ms TTL=225

c:\>ping something_outside_the_Lan_that_do_not_answer_to_ping
Reply from ****: bytes=32 time=1ms TTL=225

c:\>ping something_INside_the_Lan_that_do_not_answer_to_ping
Destination unreachable

Why is that? How can .19 answers "OK" ?

enter image description here

share|improve this question
Can you actually ping instead of a hostname that apparently resolves to that address? This looks like a DNS issue. – Chris McKeown Jul 15 '12 at 22:08
@Chris: no, won't reply to ping. And I don't think any hostname is resolving to that address. It does not appear in my question, but and all other things resolve to their respective IP. – oldbrazil Jul 15 '12 at 22:18
I'm confused now. In your information above, pinging shows a reply from EDIT: Never mind, I see what you're getting at. What is your router using for it's DNS service? – Chris McKeown Jul 15 '12 at 22:21
Yes Chris, you're confused exactly as I am. Pinging Google gets me an answer from that tiny GS105E. It has no DNS configured. I've added a screenshot from its config ... – oldbrazil Jul 16 '12 at 1:40
There should be somewhere that shows which DNS servers the Netgear is using. Also could you post an ipconfig from your system? – Chris McKeown Jul 16 '12 at 7:13

Well, I upgraded the firmware to the newest found version, and that strange behaviour stopped. The netgear GS105E doesn't answser the pings to other devices anymore.

So it was probably a bug. [I'm not sure about the details of the ping protocols, but the former behaviour of the router obviously defeat its purpose]

share|improve this answer
Please accept this answer so it doesn't show up in the list of unanswered questions – Mike Pennington Jul 17 '12 at 3:18

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