North American Network Operators Group

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Re: Traffic Engineering (fwd)

  • From: Brett Frankenberger
  • Date: Thu Sep 18 20:02:48 1997

:: Eric Germann writes ::
> Granted, ping tends to get dropped on the floor at overloaded points, 

A common misconception.  Hosts (including the host functionality
internal to a router) may deal with pings differently depending on load
-- for example, pinging a router might result in delayed responses if
the router is busy.  But routers do not stop forwarding pings when they
are overloaded.  In the absence of traffic filters, a router (in the
general case -- there's probably an exception to prove the rule) will
forward a ping (that is not addressed to the router) with the same
priority as it will forward a TCP frame (that is not addressed to the

          - Brett  ([email protected])
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