RV082 Dropping packets

Discussion in 'Cisco Small Business Routers and VPN Solutions' started by orb1, Sep 18, 2006.

  1. orb1

    orb1 Network Guru Member

    I am having an issue where my RV082 is dropping packets. Sometimes it will completely drop packets for 1 second.

    I first started experiencing this problem running firmware 1.3.2. I tried switching and even resetting the router to no avail. When I upgraded to the beta firmware the problem went away for a little while. But now it is back.

    Here are some details. I run the router in Dual-WAN failover mode. The primary interface is WAN1 running a Comcast 8800/768 connection. The failover is a slow BellSouth DSL connection. While on the Comcast connection I try pinging a comcast nameserver every .1 seconds with a packet size of 1450 bytes. I notice packets dropping every so often..atleast 30 out of 600 (1 minute). Usually they drop in clumps of about a second. I even notice this happening while I am on a VOIP phone call. When I swtich over to the DSL connection the drops don't seem to happen.

    This led me to think it was the Comcast connecton. However, I hook my computer directly up to the Comcast modem and run the same test...and I get no (zero) dropped packets. I even let it go for 4 minutes.

    I am wondering if this is from the router overheating or becuse of some settings in the RV082. I tried disabling the FW and other settings in the FW tab. The drops seem to be less drastic, but they are still happening. Disabling Dual-WAN had no effect.

    Anyone have any suggestions.
  2. d__l

    d__l Network Guru Member

    Why do you suspect overheating?

    I just IR thermometered my RV082 and the hottest spot that I found on it was on the palstic bezel just above the WAN ports. At that point the case temperature is about 16 degrees F above the room ambient temperature and that is when under a continuous download at a rate of 5 mbps. The case of my RV082 is sitting on a wire rack so that there is air circulation underneath and there is no heat source, i.e. modem or other electronic device, below it.
  3. jb_008

    jb_008 Network Guru Member

    You might want to try the beta version to see if that cleans up anything. I am on a 10Mbps cable connection and I was getting really crappy speeds even with the MTU set to 1500... but when I upgraded to the beta My speeds greatly jumped up, just a thought that it might be worth the try.
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