<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On Mar 19, 2012, at 11:15 AM, Sabahattin Gucukoglu wrote:</div><blockquote type="cite"><div><font class="Apple-style-span" color="#000000"><br></font>I didn't know that about the zone ID, in fact (save one or two experiences with it), so thanks for increasing my knowledge. :-) It does seem a bit silly though, given that the host can disambiguate this itself.<br><br></div></blockquote><div><br></div><div>In fact, the host cannot.</div><div>There are a number of situations where a host could have the same Link-Local IP address on two or more interfaces.</div><div>For example,</div><div>i) If it is using a trunk protocol to connect to multiple vlans on a single NIC</div><div>ii) If the Mac Address is not based on the NIC but on the CPU</div><div><br></div><div>In this situation, the host would not be able to know which interface to listen on, without the zone id.</div><div><br></div><div>Best regards</div><div>Arni</div><div><br></div><div><br></div></div><div>
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