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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I don’t know of any tool, but it
seems like you should be able to get a show route detail about, write a script
to choose inactive reasons and sort based off that.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Doug<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
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face="Times New Roman"><span style='font-size:12.0pt'>
<hr size=3 width="100%" align=center tabindex=-1>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> Kanagaraj
Krishna [mailto:kanagaraj@aims.com.my] <br>
<b><span style='font-weight:bold'>Sent:</span></b> Tuesday, November 21, 2006
6:57 PM<br>
<b><span style='font-weight:bold'>To:</span></b> Doug Marschke<br>
<b><span style='font-weight:bold'>Cc:</span></b> nanog@merit.edu<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: BGP analyzing tool</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Using cli like "sh ip bgp
xxx.xxx.xxx.xxx"[Cisco] or "sh route protocol bgp
xxx.xxx.xxx.xxx detail" [Juniper] would be able to show me details
for specific destinations. What i need is a software to get all the data from a
routers routing table, analyze the best path and summarize the reason why
its being chosen based on the BGP algorithm (local pref, no. of hops, MED,
etc). That would show the big picture of why a certain upstream is more
prefered than the other. Thanks.</span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Regards,</span></font><o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Kana</span></font> <o:p></o:p></p>
</div>
<blockquote style='border:none;border-left:solid black 1.5pt;padding:0in 0in 0in 3.0pt;
margin-left:3.0pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'>
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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>----- Original Message ----- <o:p></o:p></span></font></p>
</div>
<div style='font-color:black'>
<p class=MsoNormal style='background:#E4E4E4'><b><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial;font-weight:bold'>From:</span></font></b><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'> <a
href="mailto:doug@ipath.net" title="doug@ipath.net">Doug Marschke</a> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><b><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial;font-weight:bold'>To:</span></font></b><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'> <a
href="mailto:kanagaraj@aims.com.my" title="kanagaraj@aims.com.my">'Kanagaraj
Krishna'</a> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><b><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial;font-weight:bold'>Sent:</span></font></b><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'> Wednesday,
November 22, 2006 10:09 AM<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><b><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial;font-weight:bold'>Subject:</span></font></b><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'> RE: BGP analyzing
tool<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>What kind of router? A juniper will show you this with a show
route detail.<br>
<br>
Doug<br>
<br>
-----Original Message-----<br>
From: <a href="mailto:owner-nanog@merit.edu">owner-nanog@merit.edu</a>
[mailto:owner-nanog@merit.edu] On Behalf Of<br>
Kanagaraj Krishna<br>
Sent: Tuesday, November 21, 2006 6:27 AM<br>
To: <a href="mailto:nanog@merit.edu">nanog@merit.edu</a><br>
Subject: Re: BGP analyzing tool<br>
<br>
<br>
Hi,<br>
Are there any available BGP analyzing tool that can be used to
identify <br>
details on best chosen path based on the BGP algorithm? NTOP can capture the<br>
<br>
traffic info, but to analyze each destination to find the reason for<br>
selection <br>
(local preference, no of AS hops, iBGP vs eBGP etc) would be hard. I need<br>
this <br>
info to understand why a certain upstream is being more prefered than the <br>
others. Thanks.<br>
<br>
Regards,<br>
Kana<o:p></o:p></span></font></p>
</blockquote>
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