Low router throughputs (WAN->LAN)

Discussion in 'UK VOIP' started by Rick Marks, Feb 28, 2008.

  1. Rick Marks

    Rick Marks Guest

    I discovered recently that my VoIP router (SPA-3102) and its
    predecessor (SPA-2100) can't route from WAN-LAN faster than about
    7.5Mbps. The latter not helped by only having 10Mbps Ethernet
    interfaces.

    Looking at Tomshardware guide (search for the router charts) it seems
    that quite a lot other plain routers, wired and wireless, don't fare
    much better. By and large you seem to get what you pay for.

    So if you have high speed ISP service, say above 8Mbps, check out your
    hardware to see if it's a weak link in your chain.
     
    Rick Marks, Feb 28, 2008
    #1
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  2. Rick Marks

    Tim Guest

    Rick Marks wrote:
    > I discovered recently that my VoIP router (SPA-3102) and its
    > predecessor (SPA-2100) can't route from WAN-LAN faster than about
    > 7.5Mbps. The latter not helped by only having 10Mbps Ethernet
    > interfaces.


    10Mbps of ethernet does not mean you will get 10Mbps of IP, because of
    the overhead of the protocol stack.

    For starters, every Ethernet frame has a 53 byte lead in.


    Tim
     
    Tim, Mar 3, 2008
    #2
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