On 26/08/2009, at 6:21 AM, Mike Bartz wrote:
We experienced the joy of using the X6148 cards with a SAN/ESX
cluster.
Lots of performance issues! A fairly inexpensive solution was to
switch to
the X6148A card instead, which does not suffer the the 8:1
oversubscription. It also supports MTU
On Mon, Aug 24, 2009 at 4:59 PM, Nick Hilliard wrote:
> On 24/08/2009 19:03, Holmes,David A wrote:
>
>> Additionally, and perhaps most significantly for deterministic network
>> design, the copper cards share input hardware buffers for every 8 ports.
>> Running one port of the 8 at wire speed wil
On 24/08/2009 19:03, Holmes,David A wrote:
Additionally, and perhaps most significantly for deterministic network
design, the copper cards share input hardware buffers for every 8 ports.
Running one port of the 8 at wire speed will cause input drops on the
other 7 ports. Also, the cards connect t
On Aug 25, 2009, at 1:03 AM, Holmes,David A wrote:
In my opinion the Sup32 platform has some limitations when the
technology is considered for high data rate, deterministic carrier
customer-facing scenarios
The hardware-based FPM is interesting.
--
009 3:40 AM
To: nanog@nanog.org
Subject: Alternatives to storm-control on Cat 6509.
Hello,
I have several Catalyst 6500 (Supervisor 32) aggregation switches with
WS-X6148A-GE-TX and WS-X6148-GE-TX line cards.
These line cards do not support storm-control/broadcast suppression.
This impacted us
On Sat, 22 Aug 2009, Sean Donelan wrote:
But in a service provider network (or any managed network), is there any
reason why a customer needs to hear other customer's broadcasts? In
practice, are there any useful broadcast messages in a multi-customer
environment that can't/shouldn't be proxie
On Fri, 21 Aug 2009, Roland Dobbins wrote:
there are two things you care about: storm control and port security (mac
address counting).
Chopping up the layer-2 broadcast domain for a given VLAN into smaller pieces
via pVLANs can't hurt, either, as long as the hosts have no need to talk to
one
On 22/08/2009 06:26, Andrew Parnell wrote:
The 67xx series cards aren't supported by the sup32, though. Would 65xx
line cards do the trick?
unfortunately not:
http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SXF/native/configuration/guide/storm.html
• The following LAN sw
>
> Yes, you replace your 61xx cards with 67xx cards. You can't do this sort
> of thing with qos or copp.
The 67xx series cards aren't supported by the sup32, though. Would 65xx
line cards do the trick?
Andrew
On 21/08/2009 17:04, Roland Dobbins wrote:
Yes, but this is evil and dangerous in a customer-facing environment;
transparent mode is the preferred option, in most circumstances.
It is very evil, yes. SXH and later support VTPv3 which allows you to
disable VTP on a per port basis. But as you
On Aug 21, 2009, at 10:57 PM, Nick Hilliard wrote:
Or unless you're running VTP
Yes, but this is evil and dangerous in a customer-facing environment;
transparent mode is the preferred option, in most circumstances.
---
Ro
On 21/08/2009 16:39, Roland Dobbins wrote:
Chopping up the layer-2 broadcast domain for a given VLAN into smaller
pieces via pVLANs can't hurt, either, as long as the hosts have no need
to talk to one another - and it has other benefits, as well.
Unless your broadcast storm happens on an untagg
Roland Dobbins wrote:
Chopping up the layer-2 broadcast domain for a given VLAN into smaller
pieces via pVLANs can't hurt, either, as long as the hosts have no need
to talk to one another - and it has other benefits, as well.
Or you hit the extreme DSL concentrator end where you crank out q-in
On Aug 21, 2009, at 10:23 PM, Nick Hilliard wrote:
there are two things you care about: storm control and port security
(mac address counting).
Chopping up the layer-2 broadcast domain for a given VLAN into smaller
pieces via pVLANs can't hurt, either, as long as the hosts have no
need t
Peter,
This question would be better directed at cisco-nsp, but...
On 21/08/2009 11:39, Peter George wrote:
I have several Catalyst 6500 (Supervisor 32) aggregation switches with
WS-X6148A-GE-TX and WS-X6148-GE-TX line cards.
These line cards do not support storm-control/broadcast suppression.
Hello,
I have several Catalyst 6500 (Supervisor 32) aggregation switches with
WS-X6148A-GE-TX and WS-X6148-GE-TX line cards.
These line cards do not support storm-control/broadcast suppression. This
impacted us badly during a recent spanning tree event.
As it stands, we are at risk of overwhel
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