Re: [nsp] Routing Limit Exceeded

From: Bill Manning (bmanning@zed.isi.edu)
Date: Fri Dec 22 2000 - 13:37:41 EST


 Ask yourself two questions:

        ) why am I accepting /24s in network 24 and net 10?
        ) am I performing aggregation where it makes sense?
 and then consider:
        ip router bgp <yourAShere>
        aggregate-address 10.0.0.0/8 summary-only
        aggregate-address 24.0.0.0/8 summary-only
        
 through the whole address range.... (with only a small nod to Sean)
 and/or

         neighbor <theirIP> max-prefix-in

 

% Thanks for the pointers, but does anyone know the command to =
% "reconfigure the limit".=20
....
%
% Dec 21 20:47:19: %IPRT-3-ROUTELIMITEXCEEDED: IP routing table limit =
% exceeded -
% Default-IP-Routing-Table, 24.234.0.0/17
% Dec 21 20:47:19: %IPRT-3-ROUTELIMITEXCEEDED: IP routing table limit =
% exceeded -
% Default-IP-Routing-Table, 24.244.11.0/24
% Dec 21 20:47:20: %IPRT-3-ROUTELIMITEXCEEDED: IP routing table limit =
% exceeded -
% Default-IP-Routing-Table, 24.71.144.0/20
% Dec 21 20:47:21: %IPRT-3-ROUTELIMITEXCEEDED: IP routing table limit =
% exceeded -
% Default-IP-Routing-Table, 10.0.1.0/24
% Dec 21 20:47:21: %IPRT-3-ROUTELIMITEXCEEDED: IP routing table limit =
% exceeded -
% Default-IP-Routing-Table, 10.0.0.0/24
% Dec 21 20:47:21: %IPRT-3-ROUTELIMITEXCEEDED: IP routing table limit =
% exceeded -
% Default-IP-Routing-Table, 61.12.112.0/21
% Dec 21 20:47:21: %IPRT-3-ROUTELIMITEXCEEDED: IP routing table limit =
% exceeded -
% Default-IP-Routing-Table, 62.179.32.0/19
%
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% <DIV>Thanks for the pointers, but does anyone know the command to =
% "reconfigure=20
% the limit".&nbsp;</DIV>
% <DIV>&nbsp;</DIV>
% <DIV><FONT face=3DArial size=3D2>Jay Stewart<BR>Internet Network =
% Engineer<BR>Olympia=20
% Networking Services - "The Northwest's Premier ISP"<BR>A wholly owned =
% subsidiary=20
% of Advanced TelCom Group, Inc.<BR>&nbsp;</FONT></DIV>
% <BLOCKQUOTE dir=3Dltr=20
% style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
% BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
% <DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV>
% <DIV=20
% style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: =
% black"><B>From:</B>=20
% <A title=3Darousch@home.com =
% href=3D"mailto:arousch@home.com">Andrew</A> </DIV>
% <DIV style=3D"FONT: 10pt arial"><B>To:</B> <A title=3Dcosmo@olywa.net=20
% href=3D"mailto:cosmo@olywa.net">Jay Stewart</A> ; <A=20
% title=3Dcisco-nsp@puck.nether.net=20
% =
% href=3D"mailto:cisco-nsp@puck.nether.net">cisco-nsp@puck.nether.net</A> =
% </DIV>
% <DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Friday, December 22, 2000 =
% 10:17=20
% AM</DIV>
% <DIV style=3D"FONT: 10pt arial"><B>Subject:</B> Re: [nsp] Routing =
% Limit=20
% Exceeded</DIV>
% <DIV><BR></DIV><B><A=20
% =
% href=3D"http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/1=
% 21sup/121sems/emdinter.htm#"=20
% =
% eudora=3D"autourl">http://www.cisco.com/univercd/cc/td/doc/product/softwa=
% re/ios121/121sup/121sems/emdinter.htm#</A><A=20
% =
% href=3D"http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/1=
% 21sup/121sems/emdinter.htm#xtocid2666214"=20
% eudora=3D"autourl">xtocid2666214<BR><BR></A>Error Message=20
% <BR></B>%IPRT-3-ROUTELIMITEXCEEDED: IP routing table limit exceeded - =
% [chars],=20
% [int][inet] <BR><B>Explanation </B>The number of routes in the named =
% IP=20
% routing table has reached the configured limit. No further routes will =
% be=20
% added to the table.<BR><B>Recommended Action </B>Reduce the number of =
% routes=20
% in the table, or reconfigure the limit.<BR><BR><BR>At 03:57 PM =
% 12/21/00 -0800,=20
% Jay Stewart wrote:<BR>
% <BLOCKQUOTE cite type=3D"cite">What's this mean?&nbsp; How do I =
% increase the=20
% threshold?<BR><BR>Jay Stewart<BR>Internet Network =
% Engineer<BR>Olympia=20
% Networking Services - "The Northwest's Premier ISP"<BR>A wholly =
% owned=20
% subsidiary of Advanced TelCom Group, =
% Inc.<BR><BR>-=3D-=3D-=3D-=3D<BR><BR>Dec 21=20
% 20:47:19: %IPRT-3-ROUTELIMITEXCEEDED: IP routing table limit =
% exceeded=20
% -<BR>Default-IP-Routing-Table, 24.234.0.0/17<BR>Dec 21 20:47:19:=20
% %IPRT-3-ROUTELIMITEXCEEDED: IP routing table limit exceeded=20
% -<BR>Default-IP-Routing-Table, 24.244.11.0/24<BR>Dec 21 20:47:20:=20
% %IPRT-3-ROUTELIMITEXCEEDED: IP routing table limit exceeded=20
% -<BR>Default-IP-Routing-Table, 24.71.144.0/20<BR>Dec 21 20:47:21:=20
% %IPRT-3-ROUTELIMITEXCEEDED: IP routing table limit exceeded=20
% -<BR>Default-IP-Routing-Table, 10.0.1.0/24<BR>Dec 21 20:47:21:=20
% %IPRT-3-ROUTELIMITEXCEEDED: IP routing table limit exceeded=20
% -<BR>Default-IP-Routing-Table, 10.0.0.0/24<BR>Dec 21 20:47:21:=20
% %IPRT-3-ROUTELIMITEXCEEDED: IP routing table limit exceeded=20
% -<BR>Default-IP-Routing-Table, 61.12.112.0/21<BR>Dec 21 20:47:21:=20
% %IPRT-3-ROUTELIMITEXCEEDED: IP routing table limit exceeded=20
% -<BR>Default-IP-Routing-Table,=20
% 62.179.32.0/19</BLOCKQUOTE></BLOCKQUOTE></BODY></HTML>
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-- 
--bill



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