PPPoA Settings WAG200G>>Help

Discussion in 'Networking Issues' started by showmak, Nov 12, 2007.

  1. showmak

    showmak LI Guru Member

    I own Linksys WAG200G, I would like to know which option is better for the health of the gateway...

    Connect on Demand


    Keep Alive

    do I need Keep Alive option, as it keeps the gateway to be busy all the time and this of course will effect the gateway somehow...

    And the Connect on Demand as mentioned in help page that it automatically re-establish the connection as soon as I attempt to access the Internet again after inactivity period...

    And last what value will be the best to use...

    Your help is appreciated...
  2. mstombs

    mstombs Network Guru Member

    These settings used to have more relevance in the days of dial-up connections when you paid for connect time. As you probably leave the router "always-on" you probably don't need to bother.

    I can't be sure exactly how they have implemented the "Keep Alive" in your firmware, but in my modem if the entry is non-zero the pppd client seems to ping the connection every minute, and if no replies for n minutes it restarts the connection. I can see from the pppd command line it uses the variables

    lcp-echo-failure=<value you enter on screen>

    for this function which has sourcecode comments

        { "lcp-echo-failure", o_int, &lcp_echo_fails,
          "Set number of consecutive echo failures to indicate link failure",
          OPT_PRIO },
        { "lcp-echo-interval", o_int, &lcp_echo_interval,
          "Set time in seconds between LCP echo requests", OPT_PRIO },
    You probably don't need this either - most ISPs will not now drop the connection from their side in the "always-on" world!

    Can't see any harm in you experimenting and seeing what works best for you and your ISP!
  3. showmak

    showmak LI Guru Member

    thankx for your reply...

    What I decided to do is to keeping on Connect on Demand, as if there is no use of internet the gateway will disconnet the line and will rest at the same time, and as soon as there is an internet access it will automatically re-establish the connection...

    And for that reason, I see it more reliable for the helth of the gateway as it goes likely to sleep mode...
  4. mstombs

    mstombs Network Guru Member

    Let us know how you get on, look out for

    a) There is always background traffic so it never disconnects
    b) There's a couple of seconds pause when you reconnect, giving page not found errors etc in your browser
    c) You keep changing IP address on every reconnect (maybe you want this?)

    I wonder if it would be good if everyone used "disconnect on idle" less crosstalk noise on the telephone wires?
  5. showmak

    showmak LI Guru Member

    since 3 days I am using the option Connect on demand, I see it very uesful for me & no problems, as during the night nobody is using the net and thus the gateway disconnects and goes to sleep and rests...

    There is no delay for reconnection, it fastly reconnects...

    I am going to stick with this option, as it's going to serve my gateway for more reliability...
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