On Wed, 22 May 2002, Kristian P. Jackson wrote:
Perhaps a bachelors in network
engineering is in order?
I'm afraid there's not enough stuff one has to know to sucessfully
design networks to fill more than one-semester course.
--vadim
After reading this thread I had to include my thoughts regarding this.
Certifications/Degrees can be good, but they should not be
regarded as a degree of skill. If employers only wish to look
at those items (Certs/Degrees) then it becomes yet another
political agenda and further delays the
Andrew,
The college I am attending, Strayer Univeristy, has a B.S. degree
in Internetworking. While it is kinds geared towards Cisco the good part
is that they will give credit for life experience etc. I am getting credit
for 8 classes due to my work experience in the field. The also
Unnamed Administration sources reported that Brian said:
Computer science does enforce critical thinking skills, which are a very
necessary part of any successful engineer's toolbox.
Remember that Learned everything in Kindergarten book a while back?
Well, a good engineering education
I would have to say for any Linux/BSD platform to be a viable routing
solution, you have to eliminate all moving parts or as much as possible,
ie. no hard drives because hard drives will fail. Not much you can do about
the cooling fans in various parts of the machine though which routers also
VA Date: Thu, 23 May 2002 09:26:41 -0400
VA From: Vinny Abello
VA I would have to say for any Linux/BSD platform to be a viable
I suppose it's been awhile since this thread has made the rounds,
so I'll jump in for a moment...
VA routing solution, you have to eliminate all moving parts or
VA
And that's MY real question. Who has actually done this in a production
environment that can speak with some real experience on the topic? What
can you replace with a linux box to route and run BGP for you in real
life? A 7200? Bigger.
I don't have the facilities to try these things
On Thu, 23 May 2002, Neil J. McRae wrote:
I've done it in a production environment and unless money was
extremely tight I wouldn't consider doing it again. You will
save on capital expediture but you need an army of resources
to support it. When I did it, it was on NetBSD running GateD
Tis amazing as an engineering major to watch how many students drop as the
calculus gets tougher and tougher..
Bri
On Thu, 23 May 2002, David Lesher wrote:
Unnamed Administration sources reported that Brian said:
Computer science does enforce critical thinking skills, which
The fact that there are actually ways of knowing and
characterizing the extent of one's ignorance, while still remaining
ignorant, may ultimately be more interesting and useful to people
than Yarkovsky
That's just a fancy way of saying a Clint Eastwood line from
one of his movies (Magnum
On Wed, 22 May 2002, Stephen Sprunk wrote:
Thus spake Nigel Clarke [EMAIL PROTECTED]
Certifications are a waste of time. You'd be better off
obtaining a Computer Science degree and focusing on the
core technologies.
If you're looking to write software, sure. A CompSci degree
Thus spake Vadim Antonov [EMAIL PROTECTED]
Stephen - I bet I can do networks much much better than most cisco CCIEs,
even after years of doing network-unrelated work :) That's because I
understand _why_ the stuff is working, not only how to make cisco box to
jump through hoops.
...
You
Thus spake Blake Fithen [EMAIL PROTECTED]
Stephen Sprunk
Thus spake Nigel Clarke [EMAIL PROTECTED]
Certifications are a waste of time. You'd be better off
obtaining a Computer Science degree and focusing on the
core technologies.
If you're looking to write software, sure. A
On Thu, 23 May 2002, Mark Kent wrote:
I've observed that our border routers are getting pinged
5 per second, seems consistent throughout the day,
roughly 40 different sources every 15 seconds
I took a look at the varied sources and discovered that the sites
are well connected and
Not to say you can't route well with a linux or bsd system you can but
at the high-end probably not as well.
Tell that to Juniper.
routing != forwarding
routers have two jobs, both critical
randy
On Wed, May 22, 2002 at 03:16:14PM -0700, [EMAIL PROTECTED] said:
[snip]
Nice list. Can we sort by helpful/clueful/relevant postings, and ask the
top 10 to post more frequently? :)
(OTOH, suspect I would quickly drop down out of the top 100 ... =\ )
--
Scott Francis
At 02:42 PM 5/23/2002 -0400, Henry Yen wrote:
On Thu, May 23, 2002 at 06:22:50AM -0700, Rachel K. Warren wrote:
[ snip ]
Of course, there are exceptions to every rule - I've had managers and
executive officers in the same companies I worked at who did not have
degrees. But more
In the immortal words of Paul Vixie ([EMAIL PROTECTED]):
The trouble is, often times I'd rather hire the world's smartest garbage
man. I never forget that when I got done interviewing for my first full
time programming job I went back to my job fixing cars and pumping gas, and
my fallback
ADC Date: Thu, 23 May 2002 14:30:16 -0400
ADC From: Anthony D Cennami
ADC Not to say you can't route well with a linux or bsd system
ADC you can but at the high-end probably not as well.
ADC
ADC Tell that to Juniper.
Where can I buy their line cards for my PC?
--
Eddy
Brotsman Dreger,
A highly skilled gay is *VERY* different than a highly skilled guy... :-)
Apologies, I just couldn't restrain myself.
scott
On Thu, 23 May 2002, Andy Dills wrote:
: On Thu, 23 May 2002, Alexei Roudnev wrote:
:
:
: CCIE just come and say _gays, you need Cisco XXX with IOS YY.YY and
Proposal #1 (which passed by over 2/3rds - 67.9%) expresses the sense of the
GA that
DOC should re-bid the ICANN contract and forget ICANN completely
Proposal #2 (which passed by 75%) expresses to ICANN the desire that they
reform in a meaningful way, and if they don't, that the DOC should
Gee. I've know some CCIE's who seemed a little sexually ambiguous, but I'm
not sure that a sweeping generalization is appropriate... :)
- Daniel Golding
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
Alexei Roudnev
Sent: Thursday, May 23, 2002
We've had some rather good success with PC based routers. Typical
setup was FreeBSD 4.x, 512mb, 20gb RAID-1, 3com Gigabit Ethernet card,
Fore Systems OC3 ATM card. All this, with zebra on top. It worked well for
a long time, although it turned out getting deprecated because of some
zebra issues
As are f5 proeducts including bigip, 3dns and hmmm they make something
else I forget:).
On Thu, 23 May 2002, Brian wrote:
bsd kernel eh? i believe netapp filers are based on that as well.
Bri
On Thu, 23 May 2002, Anthony D Cennami wrote:
Not to say you can't route well
JC Date: Thu, 23 May 2002 15:25:14 -0400 (EDT)
JC From: James Cornman
JC We've had some rather good success with FreeBSD based PC
JC Routers. Typical setup was FreeBSD 4.x, 512mb, 20gb RAID-1,
JC 3com Gigabit Ethernet card, Fore Systems OC3 ATM card. All
JC this, with zebra on top. It worked
Looking at our graphs, we saw a very significant drop in our inbound
bandwidth from Tuesday, 21/May/2002 14:00 (UTC -0500) to 22/May/2002
02:00 (UTC -0500).
We can't explain it from internal sources. Did anyone else see this?
Does anyone have an explanation?
Thanks,
LER
--
Larry Rosenman
Sounds like either way, the consensus was that ICANN has to go..which
isn't necessarily a bad thing. Very interesting.
rf
From: John Palmer (NANOG Acct) [EMAIL PROTECTED]
Date: Thu, 23 May 2002 14:14:28 -0500
To: [EMAIL PROTECTED]
Subject: Discussion of Results
Proposal #1 (which
I agree with you on that. Hot swapability for various interfaces is
something routers obviously have over PC's.
Hot swap PCI is old news.
True... unless going for 64 bit PCI at 66MHz... still it's obvious that
routers are designed for one simple purpose and generally have larger
On Thu, 23 May 2002, E.B. Dreger wrote:
I'm trying to remember what Buy It Now was on that M20 on eBay
the other day... IIRC, it had 4x OC3 + 4x DS3 + 4x FE.
$39,975
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItemitem=2025155277
--
Dominic J. Eidson
On Thu, May 23, 2002 at 10:05:08AM -0700, Mark Kent wrote:
I've observed that our border routers are getting pinged a fair bit.
I measured on one router and saw:
5 per second, seems consistent throughout the day,
roughly 40 different sources every 15 seconds
I took a look at the
Hello,
Has anybody on this list figured out an effective way to eliminiate, or at
least severely limit, the amount of spam that arrives in your NOC? I am
aware of solutions such as Spamassassin, Vipul's Razor, and the various RBL
lists, but has anybody used one of these solutions, or
On Thu, May 23, 2002 at 03:00:20AM -0400, Patrick W. Gilmore wrote:
At 02:42 PM 5/23/2002 -0400, Henry Yen wrote:
On Thu, May 23, 2002 at 06:22:50AM -0700, Rachel K. Warren wrote:
Of course, there are exceptions to every rule - I've had managers and
executive officers in the same
ramble
You hit it dead on: use all the tools at your disposal, but preemptively
whitelist your customers. Unfortunately, the whitelisting isn't always as
easy as it sounds. If they are within your IP space, you're good to go, but
if they have the rare portable block, or they are multihomed,
At 04:17 PM 5/23/2002 -0400, you wrote:
I agree with you on that. Hot swapability for various interfaces is
something routers obviously have over PC's.
Hot swap PCI is old news.
True, but not widely implemented in the standard PC market. If you want a
server that has hot swap capability,
On Thu, 23 May 2002 [EMAIL PROTECTED] wrote:
ramble
You hit it dead on: use all the tools at your disposal, but preemptively
whitelist your customers. Unfortunately, the whitelisting isn't always as
easy as it sounds. If they are within your IP space, you're good to go, but
if they have
On Thu, 23 May 2002, E.B. Dreger wrote:
EIDE-based flash drives have become very inexpensive. Some
embedded systems use CompactFlash boards.
Can you set flash drives to be write-only? Sorry if this is a basic
question, but the only EIDE mass-storage devices I've used are more
traditional
On Thu, 23 May 2002, Steven J. Sobol wrote:
On Thu, 23 May 2002, E.B. Dreger wrote:
EIDE-based flash drives have become very inexpensive. Some
embedded systems use CompactFlash boards.
Can you set flash drives to be write-only?
Why would you want to do this?
-Dan
--
[-] Omae no subete
A highly skilled gay is *VERY* different than a highly skilled guy... :-)
not at work
SJS Date: Thu, 23 May 2002 17:23:43 -0400 (EDT)
SJS From: Steven J. Sobol
SJS Can you set flash drives to be write-only? Sorry if this is
Depends on the drive, just like traditional HDDs.
SJS a basic question, but the only EIDE mass-storage devices
SJS I've used are more traditional drives.
JKS Date: Thu, 23 May 2002 17:34:29 -0400 (EDT)
JKS From: Jason K. Schechner
JKS Why would you want to do this?
JKS
JKS Logging. If a h@xx0r cracks your box he can't erase
JKS anything that's already been written there. Often it takes
BSD enforces append-only when running proper
On Thu, 23 May 2002, Dan Hollis wrote:
On Thu, 23 May 2002, Steven J. Sobol wrote:
On Thu, 23 May 2002, E.B. Dreger wrote:
EIDE-based flash drives have become very inexpensive. Some
embedded systems use CompactFlash boards.
Can you set flash drives to be write-only?
Why would
At 02:28 PM 5/23/2002 -0700, Dan wrote:
Why would you want to do this?
Because flash has a limited number of writes. If you used it like a
traditional file system, it would go kaput in no time.
-- jb
Vinny Abello wrote:
First off, you're right about moving parts generally being a bad
thing. However, it is not always necessary to eliminate the hard
drive. Two drives in a RAID-0 configuration may be reliable
enough. Especially if the failure of a single drive sets off
sufficient alarms
Let me elaborate. I thought Steve was concerned about the limited
writablity of flash.
My thought was to build something like a Linux router, you'd have to load
the OS into a RAMdisk (or something similar), and only write to flash when
the config changed. Which means you'd need some sort of
On Thu, 23 May 2002, Jason K. Schechner wrote:
On Thu, 23 May 2002, Dan Hollis wrote:
On Thu, 23 May 2002, Steven J. Sobol wrote:
Can you set flash drives to be write-only?
Why would you want to do this?
Logging. If a h@xx0r cracks your box he can't erase anything that's
already been
On Wed, 22 May 2002, Stephen Sprunk wrote:
Thus spake Stephen Kowalchuk [EMAIL PROTECTED]
Certification in the IT industry has become a nightmare
because people who are less than clueful have abused it in
the hiring and compensation processes.
Picture yourself as a job-seeker three
On Thu, 23 May 2002, Jake Baillie wrote:
the config changed. Which means you'd need some sort of singular
configuration file.
But I was wrong. :) He meant read-only
I'm just throwing ideas out there. I could boot Linux off a floppy or
a bootable CD and create a ramdisk upon bootup -
On Thu, 23 May 2002, E.B. Dreger wrote:
SJS a basic question, but the only EIDE mass-storage devices
SJS I've used are more traditional drives.
Why not partition wisely, then mount the desired partition as
read-only? Or I guess one _could_ mount each partition as RO...
But why?
The
On Thu, May 23, 2002 at 05:47:40PM -0400, David Charlap wrote:
64/66 PCI has 4 times as much bandwidth - about 4Gbit/s. Much better
than standard PCI, but hard to find on a PC-compatible motherboard, and
expensive when you do find it. Enough bandwidth for 10 line-rate 100M
Ethernet ports
RAS I can't speak as to what exactly Akamai is doing, but this
I should add that Akamai contacted me with minutes of my initial
post to ask for more data and they said that they are looking
into it... leaving me with the impression that what I was seeing
was not typical.
-mark
Speaking of which: I have been looking for a reasonable priced hardware
ramdisk. The ones I've seen (albeit expensive) are essentially a brick
with DIMMs in them, and have either a IDE or SCSI interface. Some have a
battery to back them up for a few hours.
Anyone got some pointers?
On Thu,
On Thu, 23 May 2002, Dave Israel wrote:
Then why ot boot from a CD-ROM? Sure, it moves, but only for the
few minutes it takes to boot. Then it spins down and sits idle for
the n days/weeks/months until the next reboot. It would probably
last as long as the solid state drive, and would
Its important to note a point entioned here that vendors are building
boxes to do this as well. I ran a 3dns pair for a while and wow the
mail that came in from people with firewalls or simply watching for
probes. F5 was opening all sorts of half opened connections and wierd
ports other
I have uploaded a PDF version of our RTT measurement study.
You can find it at:
http://idmaps.eecs.umich.edu/papers/rtt.pdf
Regards,
Amgad
Path latency doesn't change much, you can determine
this with very few probes.
. . . .
Much like web spidering, some simple common sense can
Didn't National Semiconductor have a spec sheet for write only memory
back in the late 70s or early 80s?
I think they developed it for the NSA.
--On Thursday, 23 May 2002 14:53 -0700 Dan Hollis [EMAIL PROTECTED] wrote:
On Thu, 23 May 2002, Jason K. Schechner wrote:
On Thu, 23 May 2002, Dan
On Thu, 23 May 2002 18:01:03 EDT, Steven J. Sobol said:
The box I want to build is passing packets between the rest of my network
(and the public Internet) and one server that will hold sensitive data.
It'll be a Linux box with the TCP/IP stack running in bridged mode, with
two ethernet
Date: Fri, 24 May 2002 00:52:14 -0400
From: [EMAIL PROTECTED]
I've heard tell that a good way to secure a Linux box that's
doing this is to have it boot, set up the interfaces, set up
iptables, and then do a quick /sbin/halt - if you fail to
'ifconfig down' the interfaces on the way
[ On Friday, May 24, 2002 at 04:50:27 (-), Joseph T. Klein wrote: ]
Subject: Re: Routers vs. PC's for routing - was list problems?
Didn't National Semiconductor have a spec sheet for write only memory
back in the late 70s or early 80s?
I think they developed it for the NSA.
Not long
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