From: Alec (clapun@graduate.hku.hk)
Date: Wed Aug 13 2003 - 04:11:09 GMT-3
As far as I know for ethernet, you can try to disconnect or cut the RX or TX
copper pair to simulate UDLD.
----- Original Message -----
From: <wing_lam@jossynergy.com>
To: "Howard C. Berkowitz" <hcb@gettcomm.com>
Cc: <ccielab@groupstudy.com>
Sent: Wednesday, August 13, 2003 12:45 PM
Subject: Re: UDLR
> Hi Howard,
>
> I just wanna study any feature that the router can be configured, as this
> seems a valid topic in CCIE LAB exam.
>
> Yeah, I would like to similate the situation with unidirectional link, how
> can I setup the serial port?
>
> You're right, I have a return path and I am setup to test the multicast
> traffic.
>
> I have read though the following link already and would like to have a
test
> on it. But I don't know how to similate a uni-directional link using
simply
> Serial, or Ethernet etc.
>
> Any idea?
>
> Thx a lot!
> BBD (Big Black Dog)
>
>
>
>
>
> "Howard C.
> Berkowitz" To:
ccielab@groupstudy.com
> <hcb@gettcomm.com cc:
> > Subject: Re: UDLR
> Sent by:
> nobody@groupstudy
> .com
>
>
> 08/13/2003 12:38
> AM
> Please respond to
> "Howard C.
> Berkowitz"
>
>
>
>
>
>
> At 10:36 PM +0800 8/12/03, wing_lam@jossynergy.com wrote:
> >Hi group,
> >
> >Can any body suggest me method to run UDLR? I mean how can I find a
> >interface similar the situation like one way satellite?
> >
>
> Be sure you understand what ULDR does. While it's called
> "Unidirectional Link Routing," for data applications, it really tends
> to need a reverse channel, often slow, for acknowledgements and the
> like. The original intention for ULDR in the IETF was for video
> broadcasts and the like, which are truly one-way applications, and
> often multicast. I'd strongly recommend reading the IETF documents
> and even getting on the mailing list/reading the archives.
>
> Most of the development is in France and Japan.
>
> What is the problem you are trying to solve?
>
>
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