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The Graveyard - Products No Longer Supported => Routers / COVR => DIR-615 => Topic started by: Junosword on May 04, 2010, 03:02:46 AM

Title: DIR-615 timing out to modem(?) on tracert
Post by: Junosword on May 04, 2010, 03:02:46 AM

Hello! I've been having issues with consistency or my connection lately. Using a wireless home network connected to a DIR-615, which is then connected to my comcast cable modem. I seem to be getting frequent short drops of service, and when trying to figure things out, I ran a traceroute to google.

Tracing route to google.navigation.opendns.com [208.67.216.230]
over a maximum of 30 hops:

  1     4 ms    <1 ms     1 ms  192.168.0.1
  2     *        *        *     Request timed out.   <----this?
  3    15 ms    13 ms    12 ms  xx.xx.xxx.xxx
  4    12 ms    10 ms     7 ms  te-0-1-0-0-ar01.burien.wa.seattle.comcast.net [6
8.86.96.125]
  5    15 ms    11 ms    14 ms  be-40-ar01.seattle.wa.seattle.comcast.net [68.85
.240.94]
  6    12 ms    11 ms    13 ms  pos-0-10-0-0-cr01.seattle.wa.ibone.comcast.net [
68.86.90.209]
  7    15 ms    17 ms    15 ms  te-3-3.car1.Seattle1.Level3.net [4.79.104.109]
  8    12 ms    12 ms    16 ms  ae-14-51.car4.Seattle1.Level3.net [4.68.105.5]
  9   103 ms   101 ms   100 ms  SPLICE-COMM.car4.Seattle1.Level3.net [4.71.156.1
30]
 10   297 ms   560 ms    99 ms  208.67.216.230


As you can see, the second hop in my route is timing out. I don't know what might be causing this! I've already reset and unplugged and generally fiddled with all components. If you have a solution, I'd love to know!



Thanks for your help.

Title: Re: DIR-615 timing out to modem(?) on tracert
Post by: Jasu on May 04, 2010, 06:20:56 AM

Hop No 1. is your wireless access point, No 2. is your Dir-615 and No 3. is your ISP's router? Right?

Make sure your Dir-615's firewall has no rules to block ICMP packets (time exceeded is needed for traceroute) and make sure that your wireless AP is not blocking any incoming ICMP packets.

Title: Re: DIR-615 timing out to modem(?) on tracert
Post by: Junosword on May 04, 2010, 12:30:16 PM

My network is simply Computer --> DIR-615 --> Modem. When following the tracert, the first hop is to the router (192.168.0.1), so I would assume the second hop is the modem.

I double checked the DIR's settings, they're default save for password protection.

Title: Re: DIR-615 timing out to modem(?) on tracert
Post by: Jasu on May 04, 2010, 12:52:41 PM

Most of the modems don't have public IP-address. I can connect to my modem using 192.168.100.1 but the modem doesn't show up in traceroute.

I think the second hop is the router or gateway of your ISP and it is blocking outgoing ICMP time exceeded packets for some reason.

If my assumption is right your network should have no problems.

Title: Re: DIR-615 timing out to modem(?) on tracert
Post by: Junosword on May 04, 2010, 10:27:26 PM

Well, I guess I'll contact my ISp, see what they say. Thanks for your help.