Authoritative sources report that Verio coincidentally had major problems
last night also:
http://www.boingboing.net/2005/10/21/two_tierone_isps_are.html
http://slashdot.org/article.pl?sid=05/10/21/0958232
(is this the end for Level3? heh)
Odd.
The last time there was major instability due
I'm looking for some good material on the methodology (best
practices) of moderately-complex BGP policy development.
I've found no shortage of the tools (prefix lists, community
list filters, route maps, etc) for *implementation* of BGP
policy. Including plenty of router configuration
On Sun, 29 Aug 2004, Michel Py wrote:
1. Support: sometimes you will need vendor support, and
this is especially true of new products. Putting
Kingston DRAM in a 2600 is one thing; a limited test on
a few routers will quickly show if it works or not, and
the odds of an IOS upgrade that
I'm working on trying to teach others in my group (usually
less-experienced, but not always) how to improve their
large-network troubleshooting skills (the techniques of
isolating a problem, etc).
It's been so long since I learned network troubleshooting
techniques I can't remember how I learned
Interesting that Cisco uses random port selection with
SNMP (http://www.cisco.com/warp/public/707/cisco-sa-20040420-snmp.shtml,
see the Detail selection) but not with TCP.
Too bad that TCP ports aren't randomized even with the
fixed IOS versions. Would seem that as long as you're
implementing
On Wed, 27 Aug 2003 [EMAIL PROTECTED] wrote:
We have seen that many people *posting* do not have the best of intentions;
I can assure you that there are lurkers on Nanog (surprise, surprise) who
are not nearly as naive and well-intentioned as J. O. would hope. In fact,
I know that there
On Fri, 15 Aug 2003, Randy Bush wrote:
i guess it would be amusing to read a power engineers'
mailing list discussing how the internet should have
been designed.
Well, if the Internet ever has a major outage, they'll be
entitled to share their opinions. Until then...
On Wed, 23 Jul 2003, McBurnett, Jim wrote:
Quick solution to this bug, as well as any future bug(s) replace all
routers with PCs running Zebra.
That is good until Zebra get's a bug and then someone will say
go to XYZ...
Macintosh running Zebra. Macs are as powerful as
On Tue, 8 Jul 2003, Adam Kujawski wrote:
Who, besides Sean, has maps like this? The state PUC? If
so, is that information available to the public? Do you
have to go thorugh a background check and/or sign an
NDA? Or is it only the providers themselves that have
the maps for this stuff?
It
Thank you to everyone who attended NANOG 28 in Salt Lake
City.
We enjoyed hosting the conference and hope you enjoyed your
time in Salt Lake.
See you in October.
Pete.
Any passionate opinions about DNS record conventions for
routers? Or recommendations?
I'm not particularly concerned about device naming
conventions (we have that down), I'm more interested in what
makes sense for public-viewable DNS names (so I can put
those beautiful fully-compliant names
On Wed, 26 Feb 2003, Christopher L. Morrow wrote:
CA-Unicenter/OVW/Tivoli are not IDS systems...
(traditionally) but they can normally monitor the heck
out of 'decent' sized networks (less than 500 components
was my last experience with OVW atleast, tivoli and CA
we never got working
On Tue, 25 Feb 2003, Christopher J. Wolff wrote:
I'm rapidly coming to the conclusion that any software
Computer Associates publishes is designed for the
criminally insane.
http://www.sltrib.com/2003/feb/02232003/business/31810.asp
Anyone have recommendations on good books (or similar
resources) on ENUM/E.164 for education, planning, design,
implementation and/or operation?
Pete.
Would anyone who is running QoS/SLA/application performance
monitors (ie BRIX Networks) be willing to share (on the list
or privately) what their experience has been with those
products and how they are used/useful in actual experience
to engineer and operate networks.
Pete.
http://www.scienceblog.com/community/article1018.html
---
The Internet is 'fault-tolerant,' so there are always many
routes a message can take. A packet of data traveling from
New York to San Francisco might go by way of Chicago or
Dallas, or might even hop from New York to Columbus to Miami
As a follow-up to the IX Operator Panel today, a Web site
and mailing list have been set up to focus and expand the
interests of regional exchange points.
The REP Forum is intended for anyone who is interested in
discussion and development of regional exchanges. This
includes operators,
I've found there's no shortage of advice and theory about
the viability of IP QoS (DiffServ) in a large wide-area
(converged) network.
I have not had much luck with finding documentation about
experiences implementing and operating such a beast.
Presumably that's yet another (silent)
On 14 Jan 2003, Vijay Gill wrote:
Avi Freedman [EMAIL PROTECTED] writes:
Perhaps the Feds (and maybe states) could use their purchasing power
to effect change. Short of that, or regulation, the I don't see how
the serious issues we have with the 'net will get resolved.
People do. I've
On Thu, 9 Jan 2003, Sean Donelan wrote:
On Wed, 8 Jan 2003 [EMAIL PROTECTED] wrote:
Arent these more the attack trends of tier-3 providers and not network
operators.
Maybe. I don't see too many tier-1 network operators
attacking other tier-1 network operators. The trend I
continue to
On Tue, 7 Jan 2003 [EMAIL PROTECTED] wrote:
This may be of interst:
AP: Bush Expected to Sign Scaled Back Internet Security Plan
One of the criticisms of the change relative to this group
is that the previous stronger wording for the network
operator industry was watered down. Instead of
How common are DWDM interconnects between networks
(carriers)?
Is DWDM considered a reliable/scalable/operable carrier
interconnection technology?
Is multi-vendor DWDM (whether internal to the network or for
carrier interconnection) practical or sensible, especially
for carrier/network
On Sat, 28 Dec 2002, Richard A Steenbergen wrote:
Consider this example: If I buy 100Mbit of transit from
AboveNet in IAD, odds are you're gonna peer off 75% of
my traffic locally, without it ever having touched
expensive longhaul circuits. If I buy 100Mbit of paid
peering, odds are you're
Wired covered several of these topics in their August issue.
http://www.wired.com/wired/archive/10.08/korea.html
The article points out several subtle, yet fundamental,
changes that happen socially and psychologically once the
broadband network is available everywhere, to virtually
everyone,
I'm doing a presentation and white paper to convince a bunch
of people that network addressing is one of (if not the
most) important aspect of network design and management. The
goal is to convince them that we need a plan, which will
probably require them to do some renumbering.
I'm
I have the opportunity to redefine some roles of our Network
Security group and Operations group.
More specifically, Operations want to be more involved in
day-to-day security activities like incident management and
security monitoring. The goal is to make both groups more
effective and
We have heavily modified a version of the MRLG
( ftp://ftp.enterzone.net/looking-glass/ ) to provide
controlled router access to a specific (mostly internal)
audience.
We have found that allowing people who normally have no
router access, to have read-only access to some normally
enable-only
I'm doing some analysis of who I might be able to reach via
multicast through Sprint.
Sadly, route-views multicast peering with Sprint is not
working at the moment.
I'd appreciate if someone could email me the output from
show ip mbgp neighbor sprint peer received-routes or
show ip mbgp from
Thanks, I got it. And route-views will be fixed, too.
On Thu, 11 Jul 2002, Pete Kruckenberg wrote:
Date: Thu, 11 Jul 2002 12:53:37 -0600 (MDT)
From: Pete Kruckenberg [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Subject: Sprint multicast route list
I'm doing some analysis of who I might
On Wed, 15 May 2002, Sean Donelan wrote:
Telus has gone first, and announced it is using Arbor's
products across its backbone network.
http://www.eweek.com/article/0,3658,s=720a=26867,00.asp
People have been trying the products for a while. Does
Arbor Networks really have an answer to
There's been plenty of discussion about DDoS attacks, and my
IDS system is darn good at identifying them. But what are
effective methods for large service-provider networks (ie
ones where a firewall at the front would not be possible) to
deal with DDoS attacks?
Current method of updating ACLs
On Wed, 1 May 2002 [EMAIL PROTECTED] wrote:
and then again, there has been much discussion on simple
DoS attacks, where the term DDoS is erroneously used...
I am very much not trying to imply that this is the case
here, but it's important that the two be thoroughly
distinguished from
On Thu, 2 May 2002, Richard A Steenbergen wrote:
SYN packet comes in, one of these machines responses with a
RST to the source, which is actually the target of the
You have an interesting situation. I think rate limiting
outbound RSTs would be the least offensive thing you
could do, off
From the Canarie news mailing list.
I don't think I've ever experienced five 9's on any telco
service, I have always assumed I must be the one customer
experiencing down-time, and the aggregate was somehow five
9's. How is network reliability calculated to end up with
five 9's?
Pete.
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