Subject: [Isis-wg] Inclusion of zero Length VLF

From: "Chan, Chung Ming" <[email-masked]>
Date: Fri, 28 Jun 2002 08:08:55 -1000

Hi,
	I just observed from one of the routers in our lab include VLF which
has zero length in its PDU.
	For example, in the IIH, it contains an IS Neighbor VLF with no MAC
address in it.
	
	It looks to me that it won't do any harm, it will be ignored anyway
by the receiving router;
But it is meaningless to include something like that also.

Is this one of the common ways of encoding a PDU?

Thanks,

C. Ming Chan
	
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