Hi all,
A bit of background...
We are preparing to deploy our first pair of 6509s with a SUP720-3B supervisors
and WS-X6548-GE-TX line cards (we may also have a few WS-X6748-GE-TX cards as
well). These will be used for core/customer distribution primarily, with a pair
of Juniper M7i routers
Are you relying on QoS in the 3550? If so, you'll be disappointed with
the 3560/3750.
Nope, no QoS.
--Mike
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Hi all,
We have (2) Metro Ethernet connections from two different carriers connecting
our two locations at the moment. We need to provide for redundancy at the L2
level for these, and would like to combine the bandwidth into one logical
bundle. I'm fairly well versed at the L3 level, but
Matt,
We looked at doing this ourselves a few years back. We decided to push L2
responsibility down to the customer rack and do all L3 at the distribution
layer. We use the venerable WS-C3550-48-EMI switches for this duty, and they
have been rock solid for years. We did have a few
We currently aren't doing any QoS, and a limited amount of policing. Besides
the C3750G, are there any other switches worth a look? We're a mixed
Juniper/Cisco shop, so I've been looking at the EX3200 line as well. We need
something that will do OSPF and limited BGP (just to announce
The 3560G's w/ipservices (-E) seem to be more expensive than the corresponding
3750G counterparts for some reason, so we've been primarily looking at those.
Tony Varriale wrote:
- Original Message - From: TCIS List Acct
lista...@tulsaconnect.com
To: sth...@nethelp.no
Cc: cisco-nsp
Varriale wrote:
- Original Message - From: TCIS List Acct
lista...@tulsaconnect.com
To: sth...@nethelp.no
Cc: cisco-nsp@puck.nether.net; jle...@lewis.org
Sent: Sunday, February 21, 2010 3:00 PM
Subject: Re: [c-nsp] what is it with 3550s?
We currently aren't doing any QoS
Terje Bless wrote:
On the RPS-300, we didn't do the checking we should have before buying
and ended up with what for us were essentially 30 boat anchors. My
conclusion in the end was that it's much better to keep (in our case)
a bunch of spare 3524s (another brilliant purchase, *sigh*) and
We are looking at options to provide redundancy for the internal A/C power
supply in some 3550-48-EMIs. It seems that the following RPS models will work:
RPS-300
RPS-675
RPS-2300
We plan to do a 1-1 config (1 RPS for 1 switch), so we are leaning towards the
RPS-300 for cost reasons.
I've
Daniel Suchy wrote:
Hello,
On 10/01/2007 06:07 PM, TCIS List Acct wrote:
I've reviewed various threads in the archive, and see where others have had
problems with the RPS-300's allowing fall-back to the internal A/C power
supply
after it has taken over on the DC source
Seth Mattinen wrote:
Hardware. There is no way to get the device (in my case, some 2811's on
a single RPS-300) to go back to internal power without reloading once
it's switched over to the RPS. Switching back causes the device to lose
power. You should not expect any kind of real
Seth Mattinen wrote:
I've tried it; doesn't work on my gear. I'd always plan for full outage
though if you ever have to switch back to internal power.
The RPS-600 was so much better than what's being passed off as a
redundant power supply these days... I never bothered using the AC
According to:
http://www.cisco.com/warp/public/473/153-2.gif
It appears that there are limitations on the number of policers that you can
use. What isn't clear is how these apply -- in a nutshell, what we want to be
able to do is define a policer that limits ingress/egress traffic to 10M (we
According to:
http://www.cisco.com/warp/public/473/153-2.gif
It appears that there are limitations on the number of policers that you can
use. What isn't clear is how these apply -- in a nutshell, what we want to be
able to do is define a policer that limits ingress/egress traffic to 10M (we
We are looking for a cheap, but solid L2 48-port switch. My investigations
have
led me to the WS-C2948G and the WS-C3548-XL-EN. I know the 2948G is CatOS
based, and the 3548 is IOS based (and both are EOL'ed). Any experiences with
these switches in a light-duty environment would be
Tom Zingale (tomz) wrote:
Yes on a vlan or port you can allow/deny tcp/ip traffic. See the docs
http://www.cisco.com/en/US/partner/products/hw/switches/ps5528/products_
configuration_guide_chapter09186a008081da63.html
Does this same feature (per port IP ACLs on a L2 interface) work on the
Tom Zingale (tomz) wrote:
Yes the SMI software feature set supports ACL's on a per port basis
So I can apply an ACL on a Layer2 port, that allows/denies TCP/IP traffic? I
know I can do this on some Foundry switches, but have never tried on a 35xx
when
the port is not a L3 port..
--Mike
Tom Zingale (tomz) wrote:
Yes on a vlan or port you can allow/deny tcp/ip traffic. See the docs
http://www.cisco.com/en/US/partner/products/hw/switches/ps5528/products_
configuration_guide_chapter09186a008081da63.html
Thanks, that link answers most of my questions. Performance wise, it
We are looking to pick up a good 24/48 port Gigabit switch for some basic L2
aggregation duties. The main criteria are wire rate performance and rock solid
stability. Would appreciate to hear from anyone using the WS-C2960G-24TC-L or
WS-C2960G-48TC-L for this purpose.
TIA.
--Mike
We're considering using ASA 5505's as a replacement for PIX 501's for customers
in our DC. I note on this page:
http://www.cisco.com/en/US/products/ps6120/products_data_sheet0900aecd802930c5.html
Rack-mountable Yes, with rack-mount kit (available in the future)
Does anyone know if this kit
We've decided to go with multiple 7206VXR/NPE-G2's for our edge routing
(replacing older NPE-300/400 devices). We have simple needs -- BGP, OSPF,
NetFlow, and some small ACLs on the WAN interfaces. Since the IOS selection
for
the G2 is somewhat limited, if others can share what IOS release
Hi all,
We're (still) evaluating our options to replace our edge/border routing
platform
with something with more growth capacity. Currently, we have (2)
7206VXR/NPE400's (one at each of our Data Centers) and terminate (2) DS-3's in
one, (1) DS-3 in the other, soon to be (1) DS-3 and (1)
Is the CoPP feature available on the 3550-48-EMI or 3550-12T platforms? If so,
what IOS release would I need, and is it hardware or software based? We've got
48-EMI's deployed to our Co-lo network (all L3 interfaces to the customer) and
are looking to add some reasonable DoS protection
We are a Co-lo provider looking to improve how we do usage-based bandwidth
billing on a per IP/subnet basis. We can't do SNMP monitoring per-port (we
exclude local LAN traffic, traffic between our two Data Centers, etc), so we
are
considering doing bandwidth billing via NetFlow from our 72xx
Bill Nash wrote:
Scope and scale are the two big factors when dealing with netflow
accounting.
You will need full IP address accounting for your customers, ie knowing
which customers have been issued which address space.
Got that part covered.
You will need an understanding of how
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