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<TITLE>Choosing LNS On A Per-Domain Basis</TITLE>
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<P DIR=LTR><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT COLOR="#1F497D" FACE="Calibri">We are using the Cisco ASR 1004 for LNS. For business reasons, we have t</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT COLOR="#1F497D" FACE="Calibri">w</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT COLOR="#1F497D" FACE="Calibri"> sets of PPPOE users authenticati</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT COLOR="#1F497D" FACE="Calibri">ng against the LNS</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT COLOR="#1F497D" FACE="Calibri"> -the only difference being the @ domain part. So for example:</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT COLOR="#1F497D" FACE="Calibri">(a.) user@domain1.com </FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT COLOR="#1F497D" FACE="Calibri">(b.) user@domain2.com </FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT COLOR="#1F497D" FACE="Calibri">Irrespective of their domain, all users come in via the same LACs, and via the same L2TP tunnels. We do not own the LACS, and are not able to make</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT COLOR="#1F497D" FACE="Calibri"> or request</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT COLOR="#1F497D" FACE="Calibri"> any changes on the LAC-side</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT COLOR="#1F497D" FACE="Calibri">.</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT COLOR="#1F497D" FACE="Calibri"> </FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT COLOR="#1F497D" FACE="Calibri">Here is what</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> <FONT COLOR="#1F497D" FACE="Calibri"> we are trying to do: we would like to choose the terminating LNS based on the domain name. So all users @ domain1, for example, should authenticate to LNS1, while all users @ domain2 should authenticate to LNS2. As I said, we do not manage the LAC</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT COLOR="#1F497D" FACE="Calibri">s. Also,</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> <FONT COLOR="#1F497D" FACE="Calibri">the ip address of my LNS(es) are statically defined in the LACs, and not</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> <FONT COLOR="#1F497D" FACE="Calibri">negotiated</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT COLOR="#1F497D" FACE="Calibri"> dynamically at authentication time.</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT COLOR="#1F497D" FACE="Calibri">So is there anyway to choose the LNS according to the domain presented in the username?</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> <FONT COLOR="#1F497D" FACE="Calibri"> Is there some way to force users at domain1 to LNS</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT COLOR="#1F497D" FACE="Calibri"> #</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT COLOR="#1F497D" FACE="Calibri">1, and users at domain2 to LNS</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT COLOR="#1F497D" FACE="Calibri"> #</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"><FONT COLOR="#1F497D" FACE="Calibri">2?</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"> <FONT COLOR="#1F497D" FACE="Calibri">If so, can anyone share some pointers as to we accomplish it?</FONT></SPAN></P>
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<P DIR=LTR><SPAN LANG="en-us"><FONT COLOR="#1F497D" FACE="Calibri">Thanks in advance.</FONT></SPAN></P>
<P DIR=LTR><SPAN LANG="en-us"><FONT COLOR="#1F497D" FACE="Calibri">Dominic</FONT></SPAN><SPAN LANG="en-us"></SPAN><SPAN LANG="en-us"></SPAN></P>
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