Alex Rubenstein wrote:
EPO = SPOF = bad. We all know this.
I fail to see why one couldn't have TWO buttons of the same
type that needed to be pressed after one another to close
it down. It is unlikely that someone would trip and touch
two separated buttons (although put close to one another).
>
Many years ago when we were much, much smaller, the EPO was wired to a
special EPO circuit breaker on the main panel which fed the subpanel for
the datacenter room. A short on that breaker was like pressing the "test"
switch on a GFCI breaker. Do most people who do have functional (as
oppos
On Thu, Jul 26, 2007 at 08:52:55AM +0100, Andy Loukes wrote:
> What (if any) are the legal implications of taking internet destined
> traffic in one country and egressing it in another (with an ip block
> correctly marked for the correct country).
> Somebody mentioned to me the other day that th
Incredibly enough, I contacted the maintainer about this a while ago. Here
is the cut & paste:
Looks like we forgot to renew the domain registration. I was leaning
towards the idea of moving it to something like sourceforge, but I wanted to
clean up some things first.
The page is available at:
> FWIW, do you imagine that's terribly large for urban firefighters in
> the big scheme of things, not just computer rooms?
>
> My memory could be wrong but I remember the John Hancock building, 60
> stories, pulls about 1.5MW...I remember Boston Edison mentioning this
> in discussing a design I
On Sun, 22 Jul 2007, Steven M. Bellovin wrote:
And people wonder why I support DNSsec
Followups probably should go to the DNS mailing lists
At IEPG, IANA gave an update on the progress being made to implement
signing of the root/infrastructure-tlds zones.
http://www.potaroo.net/iep
> Are there any "good" tools for IPv6 address management?
"There's so many bits they don't need managing"
brandon
On July 26, 2007 at 16:25 [EMAIL PROTECTED] (Randy Epstein) wrote:
> (snip)
>
> > Put another way: Between a 120KVA UPS and a gang of experienced
> > firefighters with charged hoses I'd put my money on the firefighters
> > every time.
> >
> > --
> > -Barry Shein
>
> You reali
Barry wrote:
>I worked three years with the boston fire dept, albeit quite a few
>years ago, and rode into many fires and don't generally remember them
>being much concerned about hitting *anything* with a high-pressure
>stream of water if it's on fire.
>
>Remember all those rules you know about
Are there any "good" tools for IPv6 address management?
---
Thanks,
-
Joseph W. Breu, CCNA phone : +1.319.268.5228
Senior Network Administratorfax : +1.319.266.8158
Cedar Falls Utilities cell : +1.319.49
(snip)
> Put another way: Between a 120KVA UPS and a gang of experienced
> firefighters with charged hoses I'd put my money on the firefighters
> every time.
>
> --
> -Barry Shein
You realize the UPS systems we're speaking of are much larger? Usually 480
volt, many kVA.
Randy
From: Chris Riling
>
> Hi Guys,
>
> Was anyone else seeing anything weird going on today? I
> have an OC-3 to Qwest, and another OC-3 to Level3, (among 2
> others to different providers) and when all was well, I was
> receiving a little over 221,000 prefixes from L3. Then,
> intermitte
Hi Guys,
Was anyone else seeing anything weird going on today? I have an OC-3 to
Qwest, and another OC-3 to Level3, (among 2 others to different providers)
and when all was well, I was receiving a little over 221,000 prefixes from
L3. Then, intermittently I would start losing prefixes from L3
On Thu, Jul 26, 2007 at 01:25:51PM -0400, John Curran wrote:
> At 2:01 PM +0100 7/26/07, Stephen Wilcox wrote:
> >well, the empirical data which is confirmed here is saying that those 10%
> >are burning most of the v4 addresses and we are not seeing them rollout v6
> >whether they 'need to' or n
On July 25, 2007 at 14:49 [EMAIL PROTECTED] (George William Herbert) wrote:
>
>
> >Seems like the EPO should be a logical AND with the fire alarm system -
> >it only works AFTER you have an existing fire alarm in the building.
>
>
> No, no. If the fire alarm system fails, the fire re
When I was designing a sizeable machine room at BU I remember getting
into a bit of a debate with someone from buildings because they wanted
(I think the numbers are right) 140F sprinklers and I wanted 175F
sprinklers, images of an accidental sprinkler discharge dancing in my
head (we had halon a
I do. Hurricane Wilma, blew the roof off our building, water pouring in
pooling under the floor and onto the PDUs and UPS (800amps of 480v). We
wanted to save the data on the servers, had to hit the EPO to enter the
room (anyone have an idea of how far that much power would arc?). It
was S
In article <[EMAIL PROTECTED]>,
Scott Weeks <[EMAIL PROTECTED]> wrote:
>
>
>
>--- [EMAIL PROTECTED] wrote:
>
>What (if any) are the legal implications of taking internet destined
>traffic in one country and egressing it in another (with an ip block
>correctly marked for the correct country).
>
>So
good luck with that :)
On 7/26/07, Scott Weeks <[EMAIL PROTECTED]> wrote:
--- [EMAIL PROTECTED] wrote:
What (if any) are the legal implications of taking internet destined
traffic in one country and egressing it in another (with an ip block
correctly marked for the correct country).
Somebo
--- David Freedman <[EMAIL PROTECTED]>
wrote:
> I dont feel this sort of behaviour is helpful, I can
> understand asking
> for licensing fees for L2VPN/L3VPN technologies
> since these are products
> that service providers can levvy a reasonable charge
> for, but to charge
> for IPv6 routing
--- [EMAIL PROTECTED] wrote:
What (if any) are the legal implications of taking internet destined
traffic in one country and egressing it in another (with an ip block
correctly marked for the correct country).
Somebody mentioned to me the other day that they thought the Dutch
government didn't
At 01:22 PM 7/26/2007, you wrote:
Let us not forget that network vendors are now capitalising on the
requirement to purchase expensive licensing for such features as
native IPv6 routing and 6PE, on their mid to high end kit.
I dont feel this sort of behaviour is helpful, I can understand
ask
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of
Warren Kumari
Sent: Thursday, July 26, 2007 12:03 PM
To: [EMAIL PROTECTED]
Cc: Roy; nanog@merit.edu
Subject: Re: Why do we use facilities with EPO's?
On Jul 26, 2007, at 12:16 AM, [EMAIL PROTECTED] wrote
At 2:01 PM +0100 7/26/07, Stephen Wilcox wrote:
>well, the empirical data which is confirmed here is saying that those 10% are
>burning most of the v4 addresses and we are not seeing them rollout v6 whether
>they 'need to' or not
Wow... you mean that they're not announcing general IPv6
availab
James R. Cutler wrote:
Cost of operating v4/v6 combined for some time includes, among other
things:
1. Help Desk calls resulting from confused customers wanting
configuration help.
2. Memory for Routing Information for IPv4 plus IPv6.
3. Help Desk calls resulting from errors by confused e
On Jul 26, 2007, at 12:16 AM, [EMAIL PROTECTED] wrote:
On Wed, 25 Jul 2007 12:43:17 PDT, Roy said:
Funny story about that and the EPO we have here...
...
Story #1
Story #2
Story #3
Story #4
I'm still working at the place mentioned in a previous post -- I was
only there for 3 month
Hello Ryan,
There was a bug in one of the elder firmwares that caused bgp-sessions to be
reset when prefixes with more than 4 or maybe 6 communities were received.
You should update your firmware - I think this issue has been resolved a long
while ago. You can also check the foundry-nsp-list/arc
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
As a Foundry user utilizing Communities this caught my eye...I found a
similar post to Nanog last year that pointed me in the right direction
on this I think. It seems the author of that post seems to have hit the
nail on th head.
Your debugging show
On Wed, 25 Jul 2007 12:43:17 PDT, Roy said:
> > Funny story about that and the EPO we have here...
> > ...
> Story #1
> Story #2
Story #3
So about 4 -5 years ago, we were in the middle of a major renovation of our
server room. Moving machines all over the place, trying to clear about
6K contig
I must apologize for posting this anonymously. Can anybody provide me with
a technical contact at Telenor (AS8210 and AS8434) to discuss European
Teleport / VSAT network issues?
Thanks...
On Thu, Jul 26, 2007 at 06:21:59AM -0400, John Curran wrote:
> At 11:18 AM +0100 7/26/07, Stephen Wilcox wrote:
> >
> >um, so thats consistent with what i said.. in fact it implies only a very
> >small number of organisations need to pay close attention and those are the
> >ones best suited to i
On 7/25/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote:
... fire department evacuating the data center, cutting off electricity
in the area, and forbidding the diesel generators to be switched on?
I know a guy who was at the US Data Centers Inc facility in
Marlborough, MA (before USDCI faile
http://www.thehindubusinessline.com/2007/07/18/stories/2007071850650400.htm
--
Suresh Ramasubramanian ([EMAIL PROTECTED])
On Wed, Jul 25, 2007 at 07:47:48PM -0400, David Lesher wrote:
> I've never designed or looked into a EPO installation; but I'm
> astonished such does not use a Normally-Closed pushbutton in a
> fail-to-off circuit.
>
> Similarly...
>
> If you have electric locks on your exit doors; every install
At 11:18 AM +0100 7/26/07, Stephen Wilcox wrote:
>
>um, so thats consistent with what i said.. in fact it implies only a very
>small number of organisations need to pay close attention and those are the
>ones best suited to implementing policy changes to ensure their users continue
>to have a g
On Wed, Jul 25, 2007 at 06:15:23PM -0500, Iljitsch van Beijnum wrote:
> On 25-jul-2007, at 6:30, Stephen Wilcox wrote:
>
> >I think the combined effect of these things means
> >- we will not be running into a wall at any time
> >- availability of IPs will slowly decrease over time (as cost
> >s
On Wed, Jul 25, 2007, Warren Kumari wrote:
> You have a couple of switches with STP turned off -- someone plugs in
> some random cable, forming a bridge loop... and everything
> continues running fine, until some time in the future when it all
> goes to hell in a hand-basket. Now, I cou
Anyone experiencing issues with their Cogent connectivity right now?
-brandon
Andy,
I've always wondered this as well. Similar scenario, although not
necessarily egress in a foreign country, but transiting through.
For a brief period, we had an OC48 that carried packets on our network
between Chicago and Seattle that traversed a router of ours in Vancouver, BC
Canada.
A
I think this is a pretty dumb question, because I presume this is how
most organisations save money and provide resilience.
What (if any) are the legal implications of taking internet destined
traffic in one country and egressing it in another (with an ip block
correctly marked for the correct c
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