From: Albert Lu (albert_ccie@xxxxxxxxx)
Date: Fri Nov 09 2001 - 09:03:42 GMT-3
Hello All,
When pinging a router's own interface, which interfaces would not reply?
I'm aware of Frame Relay interfaces would not reply to a ping (seems like
only when not using inverse-arp), and you would need a map statement to your
own ip address through a local DLCI. Is there a better way of getting the
local interface to reply without doing the extra frame map?
I've also found that Tunnel interfaces don't reply to local pings. If
someone could shed some on why and how I can get it to reply, what would be
great.
I know ethernet interfaces will reply to local pings no problems and
obviously loopbacks.
I'm not sure about the other types of interfaces:
* Serial (various types of encapsulations)
* ISDN
* Token Ring
* ATM (not sure if this would behave like FR and require extra mapping)
* Virtual Token Ring (Can't seem to put an IP address on it, so maybe not
much point)
* Any more I didn't mention??
Finally, I would like people's opinion of whether proctors would dislike or
take marks off for extra frame map statement (or other statements) to get an
interface to reply to local pings from itself? The proctor could argue that
you were only suppose to do what was asked in the exam, and adding this
statement/functionality shows that you couldn't follow intstructions.
Regards,
Albert
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