Errors in my routers log

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zaxcom

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My router keeps reporting this in the log. What does it mean.
Can I fix this?

[WARN] Mon Sep 18 18:36:33 2006 Packet Dropped waiting to resolve MAC for IP 10.20.1.2
[WARN] Mon Sep 18 16:59:47 2006 Packet Dropped waiting to resolve MAC for IP 10.20.1.2
[WARN] Mon Sep 18 15:29:48 2006 Packet Dropped waiting to resolve MAC for IP 10.20.1.2
[WARN] Mon Sep 18 13:49:48 2006 Packet Dropped waiting to resolve MAC for IP 10.20.1.2
[WARN] Mon Sep 18 12:09:48 2006 Packet Dropped waiting to resolve MAC for IP 10.20.1.2
[WARN] Mon Sep 18 11:54:48 2006 Packet Dropped waiting to resolve MAC for IP 10.20.1.2
[WARN] Mon Sep 18 10:24:48 2006 Packet Dropped waiting to resolve MAC for IP 10.20.1.2
[WARN] Mon Sep 18 08:59:41 2006 Packet Dropped waiting to resolve MAC for IP 10.20.1.2
[WARN] Mon Sep 18 07:29:41 2006 Packet Dropped waiting to resolve MAC for IP 10.20.1.2
[WARN] Sun Sep 17 22:21:44 2006 Packet Dropped waiting to resolve MAC for IP 10.20.1.2
[WARN] Sun Sep 17 20:43:44 2006 Packet Dropped waiting to resolve MAC for IP 10.20.1.2
[WARN] Sun Sep 17 18:33:42 2006 Packet Dropped waiting to resolve MAC for IP 10.20.1.2
[WARN] Sun Sep 17 16:28:43 2006 Packet Dropped waiting to resolve MAC for IP 10.20.1.2
 
I don't think this necessarily refers to your Macintosh but more regarding the Media Access Control address (or MAC address) or the network card for the computer that has this IP address. The MAC address is a physical address that's burned into the network card and it identifies what company makes the card and what model the card is.

It's possible that your router (if it's a wireless router) is using some sort of MAC filtering and the device that associated and has requested an IP address doesn't have its MAC address listed in the allowed list of MAC addresses. YOu might need to reconfigure your router.
 
This is coming from my router(10.20.1.1) 10.20.1.2 is my G5. Along with that there are three other computers and 2 VOIP adapters on my network, but only my G5 seems to be having this issue with the router.
 
OK, but are you filtering any MAC addresses for some reason? Maybe it's possible that the MAC address for the NIC on the G5 is not on the list of allowed MAC addresses for the router (again, assuming this is a wireless router)??
 
The connection is by ethernet not by wireless. I am not filtering any MAC address's. All machines on my LAN use static IP's.
 
Hmm....seems almost like a failed ARP request. You might have to flush out the ARP table on your router (and on the machines it wouldn't hurt to do this also). It's possible that it might have a bad entry.

Depending on the router, you might have the option to do this or you might have to restart the router. The ARP table should flush out once the router is restarted and it should begin making ARP requests once again from the connected computers.
 
So how do I go about flushing the ARP table on the G5? As for the router all I can do is restart it, there is no command to flush the table.
 
As I mentioned, it's possible that restarting the router will flush the ARP entries. Since the issue is on the router, this might do it. The Mac might also do the same if restarted, but if you need to do it manually you can open up Terminal and typing "arp" and hitting Return. To delete an entry, just type "arp -d" followed by the hostname or IP address of that computer.

Hopefully this should resolve the problem you're having.
 
I think the question that needs to be asked is if you are expriencing any problems while using your computer? It looks like only drops a packet every 1-2 hours. If you aren't experiencing any problems I would just forget about it.
 
Also check your cables going to the Macintosh. If all else fails, reboot the the router, the Mac. Plus if this is a PPC Mac then consider to reset your PRAM. This might help.
 
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