Wireless Networks Thread, BT Homehub ARP requests in Technical; Hi
Ive got a BT Homehub which im not using as the actual router for the broadband its just a ...
7th December 2008, 02:59 PM #1
BT Homehub ARP requests
Ive got a BT Homehub which im not using as the actual router for the broadband its just a spare AP. Ive noticed its making alot of ARP requests (more than any other device) and its making them alot.
I've attached some screenshots from wireshark. Is this just something because of the homehub or is it somesort of network mis-configuration.
The range im using is 192.168.1.0-192.168.3.0/255.255.252.0. The BT Homehub is 192.168.1.5 (its Thompson...etc on the wireshark logs).
The thing ive noticed is that there is no such device as 192.168.1.150, 192.168.1.50 and 192.168.3.203
7th December 2008, 04:05 PM #2
I'z in your networks, spoofin' your arps...
No but seriously, unless you're seeing a *lot* of arp requests, it's reasonably normal. Generally arps to dead devices are because they have been there in the past and the hub's just checking up on them, and the BT hub can have phones connected to it so it sometimes arps for them, etc. And of course it's a BT hub, so it's probably just lonely anyway.
9th December 2008, 11:44 AM #3
my old bt business 2wire did that as well. Apparently thats the way it builds its list of known devices on the network. Did a bit of research at the time.
Dunno about the thompson.
15th December 2008, 10:15 AM #4
- Rep Power
Out of interest, how and why did you discover this?
15th December 2008, 10:29 AM #5
If I know Jack, probably with Wireshark
15th December 2008, 10:31 AM #6
Is it running wep encryption? someone's trying to crack the wep key if it is.
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