[92081] in North American Network Operators' Group
Router / Protocol Problem
daemon@ATHENA.MIT.EDU (Mike Walter)
Wed Sep 6 09:05:15 2006
Date: Wed, 6 Sep 2006 09:04:24 -0400
From: "Mike Walter" <mwalter@3z.net>
To: <nanog@merit.edu>
Errors-To: owner-nanog@merit.edu
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I normally would not post to the group, but I am 100% stumped and have
talked with peers with no luck. =20
I have (2) Cisco 7204 Routers running BGP with 3 peers and HSRP. I am
not doing anything special with BGP, pretty much a default config that
has not changed in years. =20
Recently with no changes to my network, I have been having problems
connecting to certain websites and mail servers. I am always able to
ping the sites and trace route without error. If I telnet to port 80 or
port 25 it does not connect. If I login to my router and telnet
sourcing my each of Internet Providers ports, I am able to get to the
sites. I have talked with all the providers and none can find a
problem. If I shut down one specific peer, everything works fine. So I
keep thinking it was that peers problem some how. I have tested with
just that peer up and I still can not connect. However, when talking
with that peer, they are able to telnet from their network to the sites
I can not reach. I don't know what else to check besides shutting down
that peer. Which since it is under a 3 year contract, not an option.
That isn't the real solution anyhow. =20
Can anyone shed some light on or off-list?
Thanks, =20
Mike Walter
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<P><FONT SIZE=3D2 FACE=3D"Arial">I normally would not post to the group, =
but I am 100% stumped and have talked with peers with no luck. =
</FONT>
</P>
<P><FONT SIZE=3D2 FACE=3D"Arial">I have (2) Cisco 7204 Routers running =
BGP with 3 peers and HSRP. I am not doing anything special with =
BGP, pretty much a default config that has not changed in years. =
</FONT></P>
<P><FONT SIZE=3D2 FACE=3D"Arial">Recently with no changes to my network, =
I have been having problems connecting to certain websites and mail =
servers. I am always able to ping the sites and trace route =
without error. If I telnet to port 80 or port 25 it does not =
connect. If I login to my router and telnet sourcing my each of =
Internet Providers ports, I am able to get to the sites. I have =
talked with all the providers and none can find a problem. If I =
shut down one specific peer, everything works fine. So I keep =
thinking it was that peers problem some how. I have tested with =
just that peer up and I still can not connect. However, when =
talking with that peer, they are able to telnet from their network to =
the sites I can not reach. I don't know what else to check besides =
shutting down that peer. Which since it is under a 3 year =
contract, not an option. That isn't the real solution =
anyhow. </FONT></P>
<P><FONT SIZE=3D2 FACE=3D"Arial">Can anyone shed some light on or =
off-list?</FONT>
</P>
<P><FONT SIZE=3D2 FACE=3D"Arial">Thanks, </FONT>
</P>
<P><FONT SIZE=3D2 FACE=3D"Verdana">Mike Walter</FONT>
</P>
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