Mailing List Archive

recommendation for switches to use with an M10
Greetings!

I am new to Juniper products, so please forgive my lack of knowledge
that most of you already have. We will be getting our new Internet
link via an M10 Juniper router (over single-mode fiber), and I need to
get a GigE switch to use with it that is supposed to avoid some
problems with multicasting that some switches have supposedly been
having when hooked-up to Juniper routers. And in general, I'd be
interested to hear of any recommendations for a line of GigE and 10/100
switches that we can standardize on, here, as well as for vendors to
use. I have been looking at Extreme and Foundry so far.

Thanks much in advance!

--Georgi
recommendation for switches to use with an M10 [ In reply to ]
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Georgi,

You might want to test Nortel Networks Passport switches as well.
Fully tested with Juniper & Cisco - excellent performance and reliability
all as standard.

http://www.nortelnetworks.com/products/01/passport/8600com/

Hard to beat (and not saying that just because I work for them !!).

Neil.

-----Original Message-----
From: Georgi Kostov [mailto:kostov@mail.med.upenn.edu]
Sent: 13 November 2002 20:04
To: juniper-nsp@puck.nether.net
Cc: Georgi Kostov
Subject: [j-nsp] recommendation for switches to use with an M10


Greetings!

I am new to Juniper products, so please forgive my lack of knowledge
that most of you already have. We will be getting our new Internet
link via an M10 Juniper router (over single-mode fiber), and I need to
get a GigE switch to use with it that is supposed to avoid some
problems with multicasting that some switches have supposedly been
having when hooked-up to Juniper routers. And in general, I'd be
interested to hear of any recommendations for a line of GigE and 10/100
switches that we can standardize on, here, as well as for vendors to
use. I have been looking at Extreme and Foundry so far.

Thanks much in advance!

--Georgi

_______________________________________________
juniper-nsp mailing list juniper-nsp@puck.nether.net
http://puck.nether.net/mailman/listinfo/juniper-nsp

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<TITLE>RE: [j-nsp] recommendation for switches to use with an =
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<P><FONT SIZE=3D2>Georgi,</FONT>
</P>

<P><FONT SIZE=3D2>You might want to test Nortel Networks Passport =
switches as well.</FONT>
<BR><FONT SIZE=3D2>Fully tested with Juniper &amp; Cisco - excellent =
performance and reliability all as standard.</FONT>
</P>

<P><FONT SIZE=3D2><A =
HREF=3D"http://www.nortelnetworks.com/products/01/passport/8600com/" =
TARGET=3D"_blank">http://www.nortelnetworks.com/products/01/passport/860=
0com/</A></FONT>
</P>

<P><FONT SIZE=3D2>Hard to beat (and not saying that just because I work =
for them !!).</FONT>
</P>

<P><FONT SIZE=3D2>Neil.</FONT>
</P>

<P><FONT SIZE=3D2>-----Original Message-----</FONT>
<BR><FONT SIZE=3D2>From: Georgi Kostov [<A =
HREF=3D"mailto:kostov@mail.med.upenn.edu">mailto:kostov@mail.med.upenn.e=
du</A>]</FONT>
<BR><FONT SIZE=3D2>Sent: 13 November 2002 20:04</FONT>
<BR><FONT SIZE=3D2>To: juniper-nsp@puck.nether.net</FONT>
<BR><FONT SIZE=3D2>Cc: Georgi Kostov</FONT>
<BR><FONT SIZE=3D2>Subject: [j-nsp] recommendation for switches to use =
with an M10</FONT>
</P>
<BR>

<P><FONT SIZE=3D2>Greetings!</FONT>
</P>

<P><FONT SIZE=3D2>I am new to Juniper products, so please forgive my =
lack of knowledge </FONT>
<BR><FONT SIZE=3D2>that most of you already have.&nbsp; We will be =
getting our new Internet </FONT>
<BR><FONT SIZE=3D2>link via an M10 Juniper router (over single-mode =
fiber), and I need to </FONT>
<BR><FONT SIZE=3D2>get a GigE switch to use with it that is supposed to =
avoid some </FONT>
<BR><FONT SIZE=3D2>problems with multicasting that some switches have =
supposedly been </FONT>
<BR><FONT SIZE=3D2>having when hooked-up to Juniper routers.&nbsp; And =
in general, I'd be </FONT>
<BR><FONT SIZE=3D2>interested to hear of any recommendations for a line =
of GigE and 10/100 </FONT>
<BR><FONT SIZE=3D2>switches that we can standardize on, here, as well =
as for vendors to </FONT>
<BR><FONT SIZE=3D2>use.&nbsp; I have been looking at Extreme and =
Foundry so far.</FONT>
</P>

<P><FONT SIZE=3D2>Thanks much in advance!</FONT>
</P>

<P><FONT SIZE=3D2>--Georgi</FONT>
</P>

<P><FONT =
SIZE=3D2>_______________________________________________</FONT>
<BR><FONT SIZE=3D2>juniper-nsp mailing list =
juniper-nsp@puck.nether.net</FONT>
<BR><FONT SIZE=3D2><A =
HREF=3D"http://puck.nether.net/mailman/listinfo/juniper-nsp" =
TARGET=3D"_blank">http://puck.nether.net/mailman/listinfo/juniper-nsp</A=
></FONT>
</P>

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recommendation for switches to use with an M10 [ In reply to ]
On Wed, Nov 13, 2002 at 03:03:41PM -0500, Georgi Kostov wrote:
> link via an M10 Juniper router (over single-mode fiber), and I need to
> get a GigE switch to use with it that is supposed to avoid some
> problems with multicasting that some switches have supposedly been
> having when hooked-up to Juniper routers. And in general, I'd be
> interested to hear of any recommendations for a line of GigE and 10/100
> switches that we can standardize on, here, as well as for vendors to
> use. I have been looking at Extreme and Foundry so far.

I think you'll find most anything works well. You might want to
check the I2 multicast wg archives. Often, complex multicast
related problems are discussed there first. I don't remember
seeing or hearing of any major Juniper-to-L2switch issues, but
there has been at least one inter-domain problem recently. Usually
the problems are easily worked around or quickly fixed by one of
the interoperating vendors.

John
recommendation for switches to use with an M10 [ In reply to ]
> -----Original Message-----
> From: John Kristoff [mailto:jtk@aharp.is-net.depaul.edu]
> Sent: Saturday, November 23, 2002 5:25 PM
> To: juniper-nsp@puck.nether.net
> Subject: Re: [j-nsp] recommendation for switches to use with an M10
>
> On Wed, Nov 13, 2002 at 03:03:41PM -0500, Georgi Kostov wrote:
> > link via an M10 Juniper router (over single-mode fiber), and I need
to
> > get a GigE switch to use with it that is supposed to avoid some
> > problems with multicasting that some switches have supposedly been
> > having when hooked-up to Juniper routers. And in general, I'd be
> > interested to hear of any recommendations for a line of GigE and
10/100
> > switches that we can standardize on, here, as well as for vendors to
> > use. I have been looking at Extreme and Foundry so far.
>

Regarding Extreme, be sure to run 6.2.2 on Black Diamonds. We
experienced an issue with igmp snooping going back to 6.1.7.
Periodically, the igmp snooping table would disappear for a very brief
time - measured between .2 - .3 ms. Things would magically return into
the igmp snooping tables. During this interval, multicast packets were
dropped. Depending on your application, this duration might be so short
that you will have to be looking for the loss to detect it.

Magically, this was fixed in 6.2.2. Interim releases still had this
issue and release notes doesn't mention any igmp fixes, but we've seen
this issue clear up in 6.2.2.

> I think you'll find most anything works well. You might want to
> check the I2 multicast wg archives. Often, complex multicast
> related problems are discussed there first. I don't remember
> seeing or hearing of any major Juniper-to-L2switch issues, but
> there has been at least one inter-domain problem recently. Usually
> the problems are easily worked around or quickly fixed by one of
> the interoperating vendors.
>
> John
> _______________________________________________
> juniper-nsp mailing list juniper-nsp@puck.nether.net
> http://puck.nether.net/mailman/listinfo/juniper-nsp