RE: Earthquake in Northern California
Foster City (zip 94404) The Liquidation Capital of Northern California. There was some mild rolling, window blinds swaying, minor ripples in the coffee cup. Not enough to knock our 172.16 down to 86.8 Dave Hilton Staff System Administrator entelos(r) Foster City, CA "Notice: I tend to become apprehensive when my position in the food chain becomes ambiguous."
It's happening up the coast too: http://seattletimes.nwsource.com/html/localnews/2002048122_sthelens28m.html "Scientists believe there is a significant chance of a small eruption of Mount St. Helens in the days or weeks ahead." -- Joe Hamelin Edmonds, WA, US
Is anyone of you awared of the existence of an access switch router (L2/L3) with GE interfaces and 10GE uplinks? I'm looking for something small (around 1U to 2U). Is there any vendor selling such a product? Thanks, Fred
Frederic NGUYEN wrote:
Is anyone of you awared of the existence of an access switch router (L2/L3) with GE interfaces and 10GE uplinks? I'm looking for something small (around 1U to 2U). Is there any vendor selling such a product?
http://www.extremenetworks.com/libraries/prodpdfs/products/Summit400_DS.asp -- Robert Blayzor, BOFH INOC, LLC rblayzor@inoc.net PGP: http://www.inoc.net/~dev/ Key fingerprint = 1E02 DABE F989 BC03 3DF5 0E93 8D02 9D0B CB1A A7B0 FreeBSD, Putting the 'Operating' back into OS!
On Tue, 28 Sep 2004, Robert Blayzor wrote:
Frederic NGUYEN wrote:
Is anyone of you awared of the existence of an access switch router (L2/L3) with GE interfaces and 10GE uplinks? I'm looking for something small (around 1U to 2U). Is there any vendor selling such a product?
http://www.extremenetworks.com/libraries/prodpdfs/products/Summit400_DS.asp
The Summit 400 is an excellent L2 unit but a bad L3 unit. It is route-cache based with only a few thousand cache entries. Put more than a thousand flows (flows=destination IPs) on it and it'll choke. -- Mikael Abrahamsson email: swmike@swm.pp.se
Mikael Abrahamsson wrote:
The Summit 400 is an excellent L2 unit but a bad L3 unit. It is route-cache based with only a few thousand cache entries. Put more than a thousand flows (flows=destination IPs) on it and it'll choke.
I don't promote or use Extreme in my networks, but I knew about the product. He asked, so I just sent the link along. All that was requested was 10G and 1U/2U... so there you have it. I didn't reply to debate why Extreme sucks. -- Robert Blayzor, BOFH INOC, LLC rblayzor@inoc.net PGP: http://www.inoc.net/~dev/ Key fingerprint = 1E02 DABE F989 BC03 3DF5 0E93 8D02 9D0B CB1A A7B0 Why do we want intelligent terminals when there are so many stupid users?
On Wed, 29 Sep 2004, Robert Blayzor wrote:
I don't promote or use Extreme in my networks, but I knew about the product. He asked, so I just sent the link along. All that was requested was 10G and 1U/2U... so there you have it. I didn't reply to debate why Extreme sucks.
Every manufacturer sucks in some respect. The S400 doesn't suck in an L2 aspect, it just sucks in an internet L3 routing aspect. I can tell plenty of suckage on the Cisco 3550/3750 for instance, but certain people seem to like it alright anyway. -- Mikael Abrahamsson email: swmike@swm.pp.se
http://foundrynet.com/products/l23wiringcloset/fastiron/FESX424_X448.html On Tue, 28 Sep 2004 22:26:24 +0200, Frederic NGUYEN <fnguyen@t-online.fr> wrote:
Is anyone of you awared of the existence of an access switch router (L2/L3) with GE interfaces and 10GE uplinks? I'm looking for something small (around 1U to 2U). Is there any vendor selling such a product?
Thanks, Fred
-- John Messina
On Tue, 28 Sep 2004, Frederic NGUYEN wrote: > Is anyone of you awared of the existence of an access switch router (L2/L3) with GE interfaces and 10GE uplinks? I'm looking for > something small (around 1U to 2U). Is there any vendor selling such a product? Catalyst 3750G - 16TD http://www.cisco.com/en/US/products/hw/switches/ps5023/products_data_sheet09... -Bill
Catalyst 3750G - 16TD
http://www.cisco.com/en/US/products/hw/switches/ps5023/products_data_sheet09...
Just a note, if you want redundant 10GE uplinks you need to get two of these and stack them. The stacking interface does not reduce the amount of switching bandwidth to the front ports IIRC. Deepak Jain AiNET
On Tue, 28 Sep 2004, Deepak Jain wrote: > Just a note, if you want redundant 10GE uplinks you need to get two of > these and stack them. The stacking interface does not reduce the amount > of switching bandwidth to the front ports IIRC. ...and the stacking interface is actually pretty lousy, from our testing. We were anticipating really liking it, but we haven't touched it again, since our lab work. Obviously it precludes hot-swappability, but beyond that, using it wipes any preexisting configuration on all but the first box (and out of two, I don't know how to predict which it will decide is first, in advance), and it leaves the port-numbering screwed up on any boxes that have used it, in perpetuity. -Bill
What we do is to use the "priority" setting in the 3750 to determine who is the master. switch(config)#switch 1 priority 15 This will define that switch in the stack as the highest priority, then set your next one to 14, etc etc through the stack. That way you will always have deterministic elections. When you lose the switch, the next one will take over. Robert Hayden Unviversity of Wisconsin Madison On Wed, 29 Sep 2004, Bill Woodcock wrote:
On Tue, 28 Sep 2004, Deepak Jain wrote: > Just a note, if you want redundant 10GE uplinks you need to get two of > these and stack them. The stacking interface does not reduce the amount > of switching bandwidth to the front ports IIRC.
...and the stacking interface is actually pretty lousy, from our testing. We were anticipating really liking it, but we haven't touched it again, since our lab work. Obviously it precludes hot-swappability, but beyond that, using it wipes any preexisting configuration on all but the first box (and out of two, I don't know how to predict which it will decide is first, in advance), and it leaves the port-numbering screwed up on any boxes that have used it, in perpetuity.
-Bill
Extreme makes such a device but it is not truly wirespeed i.e. it goes wirespeed on ports associated with a particular ASIC but the ASIC to ASIC links apparently cannot forward a full ASIC to another full ASIC without dropping frames. But that may be an academic concern and is unlikely to happen in most network environments as most real world environments do not generate sustained flows of hundreds of Gbytes as do research environments. But YMMV Scott C. McGrath On Tue, 28 Sep 2004, Frederic NGUYEN wrote:
Is anyone of you awared of the existence of an access switch router (L2/L3) with GE interfaces and 10GE uplinks? I'm looking for something small (around 1U to 2U). Is there any vendor selling such a product?
Thanks, Fred
participants (10)
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Bill Woodcock -
Dave Hilton -
Deepak Jain -
Frederic NGUYEN -
Joe Hamelin -
John V. Messina -
Mikael Abrahamsson -
Robert A. Hayden -
Robert Blayzor -
Scott McGrath