Re: Line Rate vs CPU utilization info requested

2002-02-28 Thread Stephen Sprunk
Thus spake "Donn Lasher" <[EMAIL PROTECTED]> > Does anyone have a table / web site / etc that talks about realized IP > throughput on various routers (3600 / 7100 / 7200, 5500, 6500, etc) > versus cpu load? IE even though you can put 4 x 100M ethernet cards > in a 3640, IMHO, you'd never see 400/

Re: Load balancing in routers

2002-04-08 Thread Stephen Sprunk
Thus spake "joe mcguckin" <[EMAIL PROTECTED]> > I don't think flow-caching is necessarily due to CEF. > > Even on dinky 2500 & 2600 series where you don't run CEF, > load balancing over multiple links uses a flow-hashed method. For the 312534906703247th time: Switching Balancing per- Process

Re: Load balancing in routers

2002-04-08 Thread Stephen Sprunk
Thus spake "Mark Kent" <[EMAIL PROTECTED]> > > >> another thing is you will see increased latency and jitter as your packets > >> individually queue for cpu process time > > Thanks, that statement is significantly different than: > > 1) That is very deadly > 2) If you want to crater your router,

Re: packet reordering at exchange points

2002-04-08 Thread Stephen Sprunk
Thus spake "Iljitsch van Beijnum" <[EMAIL PROTECTED]> > But how is packet reordering on two parallell gigabit interfaces > ever going to translate into reordered packets for individual > streams? Think of a large FTP between two well-connected machines. Such flows tend to generate periodic clum

Re: packet reordering at exchange points

2002-04-10 Thread Stephen Sprunk
Thus spake "Mathew Lodge" <[EMAIL PROTECTED]> > At 03:48 PM 4/10/2002 +0100, Peter Galbavy wrote: > >Why ? > > > >I am still waiting (after many years) for anyone to explain to me > >the issue of buffering. It appears to be completely unneccesary > >in a router. > > Well, that's some challenge bu

Re: packet reordering at exchange points

2002-04-10 Thread Stephen Sprunk
Thus spake "Peter Galbavy" <[EMAIL PROTECTED]> > Why ? > > I am still waiting (after many years) for anyone to explain to me > the issue of buffering. It appears to be completely unneccesary in > a router. Routers are not non-blocking devices. When an output port is blocked, packets going to th

Re: Load balancing in routers

2002-04-11 Thread Stephen Sprunk
Thus spake "Peter Panagakos" <[EMAIL PROTECTED]> > Is this still the norm? In regards to not using "no ip route-cache". > > I recall reading somewhere in Cisco documentation that in BGP > multihomed scenarios that it was the preferred method of control > on non-CEF gear. If that's still in the d

Re: references on non-central authority network protocols

2002-04-13 Thread Stephen Sprunk
Thus spake "Patrick Thomas" <[EMAIL PROTECTED]> > I am looking for any and all research (and perhaps your > comments), references, etc. regarding replacements for the > TCP/IP protocol that do not require centralized authority > structures (central authority to assign network numbers). Please ex

Re: references on non-central authority network protocols

2002-04-14 Thread Stephen Sprunk
Thus spake "Scott A Crosby" <[EMAIL PROTECTED]> > Rolling off the top of my head, I think its doable. The general > trick is to make it hard to forge packets with arbitrary > addresses (by using authentication). No, the trick is for a distributed algorithm to generate a non-trivial number of uni

Re: Cisco quality

2002-05-22 Thread Stephen Sprunk
Thus spake "Rob Healey" <[EMAIL PROTECTED]> > If C brand worked properly as shipped how would Cisco support > services and other consultancys survive? > > It's a MUCH bigger market in consulting services and > Rent-a-Expert than the initial hardware/firmware sales. According to Cisco's last fina

Re: Certification or College degrees?

2002-05-22 Thread 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 CompSci degree won't help you in the slightest at operating network

Re: Certification or College degrees?

2002-05-22 Thread Stephen Sprunk
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 years ago. Every recruiter you call hangs up

Re: Certification or College degrees?

2002-05-23 Thread Stephen Sprunk
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. ... >

Re: Certification or College degrees?

2002-05-23 Thread Stephen Sprunk
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 fo

Re: How many protocols...

2002-06-11 Thread Stephen Sprunk
Thus spake "Magnus Boden" <[EMAIL PROTECTED]> > I wouldn't call it an isp if they only allowed tcp, udp and icmp. > It should be all ip protocols. > > There can be a maximum of 256 of them. The isp shouldn't care what > the ipheader->protocol field is set to. There is at least one ISP here in th

Re: Summary to date: How many protocols...

2002-06-12 Thread Stephen Sprunk
Thus spake "todd glassey" <[EMAIL PROTECTED]> > So the real question was "From an ISP's perspective, I was looking for a > general number as to how many user-level protocols you ISP folks route > through your infrastructure and what the statistical distribution of total > bytes per protocol out o

Re: LEAP Security Vulnerabilities??

2002-06-13 Thread Stephen Sprunk
Thus spake "Hyska, Jason [JJCUS]" <[EMAIL PROTECTED]> > I am well aware of the many security vulnerabilities that exist > on wireless networks as well as the inadequacies of WEP. WEP's only real failure was the failure to specify keying; vendors (and users) with less security experience interpre

Re: LEAP Security Vulnerabilities??

2002-06-13 Thread Stephen Sprunk
Thus spake "Richard A Steenbergen" <[EMAIL PROTECTED]> > On Thu, Jun 13, 2002 at 02:34:29PM -0500, Stephen Sprunk wrote: > > The choice of RC4 was unfortunate given the above problem, > > but the coming switch to AES should fix that. > > Most existing wir

Re: ATTBI refuses to do reverse DNS?

2002-06-18 Thread Stephen Sprunk
Thus spake "Stephen Griffin" <[EMAIL PROTECTED]> > The lack of clue tends to be on the providing in-addr side of > things. I think it is a great thing to refuse connections from > ips without in-addr, in the same way it is great to refuse mail > from domains that don't provide postmaster address

Re: remember the "diameter of the internet"?

2002-06-18 Thread Stephen Sprunk
Thus spake "Vadim Antonov" <[EMAIL PROTECTED]> > Actually, not. A router is a hell of a lot simpler than a Class-5 > switch, particularly if you don't do ATM, FR, X.25, MPLS, > QoS, multicast, IPv6, blah, blah, blah. The data plane is remarkably easier. The control plane is arguable. And with

Re: Bet on with my boss

2002-06-21 Thread Stephen Sprunk
Thus spake "Pawlukiewicz Jane" <[EMAIL PROTECTED]> > How important is the phone to you? I mean, given some situation that > arises, can we solve it without the phones? > > Just curious. The problem is typically locating the person you need to communicate with, not the medium. Telephone has the

Re: How important is IM? was RE: How important is the PSTN

2002-06-26 Thread Stephen Sprunk
Thus spake "Scott Weeks" <[EMAIL PROTECTED]> > Your proprietary information is on someone else's server and it's up to > them not to 'use' it. There are IM products which a company can set up internally for exactly this reason. For public IM servers, you're not obligated to give "proprietary in

Re: How do I log on while in flight?

2002-06-27 Thread Stephen Sprunk
Thus spake "Stephen J. Wilcox" <[EMAIL PROTECTED]> > I seem to recall a program on the Discovery Channel [ ;Pp ] where > cellphone, FM/AM radio, walkman and CD player emitted radiation > possibly could interfere with some old equipment on old aircraft (ie > probably precautionary rather than real

Re: How do I log on while in flight?

2002-06-27 Thread Stephen Sprunk
Thus spake "Keith Woodworth" <[EMAIL PROTECTED]> > A slight addition to this (maybe OT) thread but my wife was being > medivac'd on a small jet to a larger medical facility a few years ago, one > of the medical fellows on board used his cell phone a couple of times on > board while in flight. I a

Re: multicast (was Re: Readiness for IPV6)

2002-07-09 Thread Stephen Sprunk
Thus spake "David Sinn" <[EMAIL PROTECTED]> > There is also a "cart and horse" issue here: Where is the pervasive > content? No, it's a "chicken and egg" problem :) > Most content providers don't want multicast because it breaks their > billing model. They can't tell how many viewers they hav

Re: multicast (was Re: Readiness for IPV6)

2002-07-09 Thread Stephen Sprunk
Thus spake "David Meyer" <[EMAIL PROTECTED]> > Here's my $0.02 on the whole multicast thing. We've been at this > for a number of years now, and robust, ubiquitous multicast > on the internet is really nowhere in sight. Kind of sounds like > QoS, and maybe there's a lesson there (20 years of rese

Re: multicast (was Re: Readiness for IPV6)

2002-07-09 Thread Stephen Sprunk
Thus spake "Jeff Aitken" <[EMAIL PROTECTED]> > On Tue, Jul 09, 2002 at 11:49:11AM -0500, Stephen Sprunk wrote: > > Even worse, multicast is truly only suitable for live applications; > > on-demand content can't be realistically mcasted, and users will not &g

Re: [OT] Re: Readiness for IPV6

2002-07-09 Thread Stephen Sprunk
Thus spake "Matthew S. Hallacy" <[EMAIL PROTECTED]> > Looks like it still claims to be the MS-DOS command interpreter to me, > using the 'user friendly' name of 'Command Prompt' doesn't change > what it is. cmd.exe is a program which interprets MS-DOS commands. That doesn't mean it's DOS. > >

Re: Stop it with putting your e-mail body in ATT attachments. Its annoying and no one can see your message

2002-07-09 Thread Stephen Sprunk
Thus spake "Bill Woodcock" <[EMAIL PROTECTED]> > > > There is nothing wrong with MS Outlook express. > > Uh, you _are_ joking, right? Outlook and Outlook Express have very similar GUI's, but are very different under the hood. OE has a lot more in common with Eudora than it does with "real"

Re: Stop it with putting your e-mail body in my MUA OT

2002-07-10 Thread Stephen Sprunk
Thus spake "Leo Bicknell" <[EMAIL PROTECTED]> > More to the point, if anyone bothered to look at a MIME/PGP message, > that's all it is. Specifically, you'll see two parts: > > ] Content-Type: text/plain; charset=us-ascii > ] Content-Disposition: inline > ] Content-Transfer-Encoding: quoted-prin

Re: Evil PGP sigs thread must die. was Re: Stop it with putting your e-mail body in my MUA OT

2002-07-10 Thread Stephen Sprunk
Thus spake "Andy Dills" <[EMAIL PROTECTED]> > Yes, but once again you must consider content, given that most mail > clients don't automatically verify signatures. Most of us will have to > make a judgement call as to whether or not to bother to check the > signature. > > The higher the degree of

Re: Cisco fixup for SMTP (Mail Guard)

2002-08-03 Thread Stephen Sprunk
Thus spake "Shaun Bryant" <[EMAIL PROTECTED]> > I am currently working on a high volume mail project. The question came up > whether or not the run Cisco's SMTP fixup protocol. I am looking for any > experiences good or bad. Last time I looked, the "mail guard" feature replaces EHLO messages wit

Re: RFC 2870's applicability (Re: Deaggregating for emergency purposes)

2002-08-09 Thread Stephen Sprunk
Thus spake "Brad Knowles" <[EMAIL PROTECTED]> > At 1:23 AM + 2002/08/08, Paul Vixie wrote: > > > When I tell USG how I feel, they seem to ignore me. Your mileage may vary. > > True enough. But their machines could always be removed from the > list of known root servers, and I don't think t

Re: Do ATM-based Exchange Points make sense anymore?

2002-08-12 Thread Stephen Sprunk
Thus spake "Alex Rubenstein" <[EMAIL PROTECTED]> > > What functionality does PVC give you that the ethernet VLAN does not? > > Shaping, for one. There is nothing inherent in Ethernet which precludes shaping. Low- and mid-range routers can do it just fine. If your core router doesn't, speak wit

Re: endpoint liveness (RE: Do ATM-based Exchange Points make sense an ymore?)

2002-08-12 Thread Stephen Sprunk
Thus spake "Vadim Antonov" <[EMAIL PROTECTED]> > It makes little sense to detect transient glitches. Any possible reaction > on those glitches (i.e. withdrawal of exterior routes with subsequent > reinstatement) is more damaging than the glitches themselves. (Ignoring BGP for the moment, which

Re: Microslosh vision of the future

2002-08-12 Thread Stephen Sprunk
Thus spake "Alif The Terrible" <[EMAIL PROTECTED]> > On Sun, 11 Aug 2002, gg wrote: > > > > Guess my home P.C. will no longer be an intel platform..hello mighty SPARC > > I guess you didn't actually read this, did you? It makes no difference what > you use at home, if that machine can't talk

Re: Do ATM-based Exchange Points make sense anymore?

2002-08-12 Thread Stephen Sprunk
Thus spake "Petri Helenius" <[EMAIL PROTECTED]> > > What functionality does PVC give you that the ethernet VLAN does not? > > > That´s quite easy. Endpoint liveness. A IPv4 host on a VLAN has no idea > if the guy on the "other end" died until the BGP timer expires. > > FR has LMI, ATM has OAM. (a

Re: Vonage Selects TCS For VoIP E911 Service

2005-07-20 Thread Stephen Sprunk
e location changes (either due to movement or varying fixes) during the 911 call. S Stephen Sprunk "Those people who think they know everything CCIE #3723 are a great annoyance to those of us who do." K5SSS --Isaac Asimov

Re: MCI billing fraud ... again

2005-07-22 Thread Stephen Sprunk
which can be adequately explained by stupidity." S Stephen Sprunk "Those people who think they know everything CCIE #3723 are a great annoyance to those of us who do." K5SSS --Isaac Asimov

Re: Cisco cover up

2005-07-28 Thread Stephen Sprunk
le. That applies to both this problem and any other security problems Cisco has patched but not published notices for yet. S Stephen Sprunk "Those people who think they know everything CCIE #3723 are a great annoyance to those of us who do." K5SSS --Isaac Asimov

Re: Cisco IOS Exploit Cover Up

2005-07-28 Thread Stephen Sprunk
le despite the availability of a fix? There are network engineers that knew, but they couldn't admit it due to NDAs. This is one of the benefits of buying "high touch" support contracts -- and Cisco is not alone in that model. S Stephen Sprunk "Those people who t

Re: New N.Y. Law Targets Hidden Net LD Tolls

2005-08-18 Thread Stephen Sprunk
impossible to accidentally dial a toll call when you think you're dialing a local one, which is the reason the PUC decreed it several decades ago. Apparently NY is just now catching up with rednecks from the 70s. S Stephen Sprunk "Those people who think they know every

Re: New N.Y. Law Targets Hidden Net LD Tolls

2005-08-19 Thread Stephen Sprunk
d here. My T-Mobile GSM phone allows 10D, 11D, or E.164 anywhere in the US and Canada, but I've noticed I can dial 7D in most places that have a single area code. S Stephen Sprunk "Those people who think they know everything CCIE #3723 are a grea

Re: New N.Y. Law Targets Hidden Net LD Tolls

2005-08-19 Thread Stephen Sprunk
efixes per exchange (and several possible area codes for each) and new prefixes being added every week, that's simply not practical anymore. S Stephen Sprunk "Those people who think they know everything CCIE #3723 are a great annoyance to those of us who do." K5SSS --Isaac Asimov

Re: New N.Y. Law Targets Hidden Net LD Tolls

2005-08-19 Thread Stephen Sprunk
The Dallas local (not "metro" or "extended") calling area is about 20mi in radius, covering several million people; Houston's is about the same. Our monthly rates are just as low as the rest of the country (if not lower), yet the ILECs still rake in money like

Re: Turkey has switched Root-Servers

2005-09-27 Thread Stephen Sprunk
ot. It has not got > enough toplevel domains. > > DNS was designed as a tree. It was designed decentralised. > > DNS today has degenerated to a flat file like /etc/hosts was. What you're proposing is eliminating what little tree-like elements are left and making a totally flat

Re: Turkey has switched Root-Servers

2005-09-27 Thread Stephen Sprunk
rnate root means only other poor people will be able to reach you (since they're the only ones who need that alternate root), which appears acceptable at first but will quickly become untenable. Not to mention it'll be quickly taken over by spammers, as .info and .biz have been. Adding gTLD

Re: IPv6 news

2005-10-14 Thread Stephen Sprunk
n't native, then a single edge box could connect to both the v4 backbone and the v6 backbone. S Stephen Sprunk "Those people who think they know everything CCIE #3723 are a great annoyance to those of us who do." K5SSS --Isaac Asimov

Re: IPv6 news

2005-10-14 Thread Stephen Sprunk
4. Ops staff training on how to work with v6 5. People who rely on typing (or hard-coding) IP addresses instead of using DNS. Consumers have entirely different problems, which I'll address (no pun intended) in another subthread. S Stephen Sprunk "Those people who think

Re: IPv6 news

2005-10-14 Thread Stephen Sprunk
ny at all. (Or if they do, they need serious anycast tuning) I'm not convinced that businesses will be interested in 6to4 or Teredo, though; most will want PI space and a native pipe just like they have with v4. S Stephen Sprunk "

Re: And Now for Something Completely Different (was Re: IPv6 news)

2005-10-17 Thread Stephen Sprunk
- Original Message - From: "Fred Baker" <[EMAIL PROTECTED]> To: "Per Heldal" <[EMAIL PROTECTED]> Cc: Sent: Monday, October 17, 2005 15:12 Subject: Re: And Now for Something Completely Different (was Re: IPv6 news) That is an assumption that I haven't found it necessary to make. I

Re: And Now for Something Completely Different (was Re: IPv6 news)

2005-10-17 Thread Stephen Sprunk
light of day unless it allows leaving hosts and intra-site routing intact (i.e. hop-by-hop routing and a single prefix per site). This last is why shim6 is DOA. S Stephen Sprunk"Stupid people surround themselves with smart CCIE #3723 people. Smart people surround

Re: And Now for Something Completely Different (was Re: IPv6 news)

2005-10-18 Thread Stephen Sprunk
ther pointless; our time would be better spent getting IPv6 deployed and either reengineering the routing system or switching to geo addresses. S Stephen Sprunk"Stupid people surround themselves with smart CCIE #3723 people. Smart people surround themselves with K5SSS

Re: What is multihoming was (design of a real routing v. endpoint id seperation)

2005-10-24 Thread Stephen Sprunk
.. and how many customers (i.e. future revenue) they would have lost if they hadn't. Two links to the same provider is merely "redundancy" or "link/POP diversity", not multihoming. Don't let your marketing department override your common sense or engineering

Re: classful routes redux

2005-11-07 Thread Stephen Sprunk
enough to account for all the "MIA" ASNs, nor do we have any way of knowing for sure, but many of those folks cannot get by with private ASNs for those networks for the same reason they can't use RFC1918 space. Others give in and use static routes and double-NATs. S Step

Re: classful routes redux

2005-11-08 Thread Stephen Sprunk
Too bad the equipment we had to support didn't understand IPv6, or we could have gotten away with using the site-local prefix (or, later, ULAs) and no NAT at all. S Stephen Sprunk"Stupid people surround themselves with smart CCIE #3723 people. Smart p

Re: [Latest draft of Internet regulation bill]

2005-11-17 Thread Stephen Sprunk
inition of BIT/BITS/etc seems to cover any public network using IP, which is misleading since people wouldn't naturally think that anything from dialup to OC192 transit to colo is "broadband". Is that just a gratuitous word here to make a funny acronym? S Stephen Sprunk"Stupid people surround themselves with smart CCIE #3723 people. Smart people surround themselves with K5SSS smart people who disagree with them." --Aaron Sorkin

Re: Recording the return path (was Re: Clueless anti-virus products/vendors)

2005-12-12 Thread Stephen Sprunk
rovided it's not the malware or spam software itself, will simply read the in-band 5xx and send a DSN to the forged originator. This moves the error closer to the source, but the result is still that the innocent third party still gets a DSN for mail they didn't send. I fail to see how

Re: Two Tiered Internet

2005-12-13 Thread Stephen Sprunk
make sure that happens. I do think it'd be funny for SBC or BS to do this sort of thing and get massive customer loss when their customers defect to cable modem networks. Do you really think the cablecos will be significantly less evil than the telcos? I'm not as optimistic about

Re: Whatever happened to intelligence in the applicattion [Was: Re: The Qos PipeDream]

2005-12-16 Thread Stephen Sprunk
o induce sleep in your bean-counters. S Stephen Sprunk "God does not play dice." --Albert Einstein CCIE #3723 "God is an inveterate gambler, and He throws the K5SSSdice at every possible opportunity." --Stephen Hawking

Re: The Qos PipeDream [Was: RE: Two Tiered Internet]

2005-12-16 Thread Stephen Sprunk
for the call goes up. Adaptive jitter buffers are old technology; Skype is hardly the first company to use them. Most phones and softphones have them; it's the gateways at the other end that are usually stuck with static ones. S Stephen Sprunk "God does not play dice.&qu

Re: The Qos PipeDream [Was: RE: Two Tiered Internet]

2005-12-16 Thread Stephen Sprunk
Thus spake "Christopher L. Morrow" <[EMAIL PROTECTED]> On Fri, 16 Dec 2005, Min Qiu wrote: Not 100% true. Through I agree QoS has little impact in the core that has OCxx non-congested backbone (more comments below). In the edge, it does has its place, as Stephen Sprunk and Mi

Re: Addressing versus Routing (Was: Deploying IPv6 in a datacenter)

2005-12-21 Thread Stephen Sprunk
#x27;s actually called CSMA/CA) S Stephen Sprunk "God does not play dice." --Albert Einstein CCIE #3723 "God is an inveterate gambler, and He throws the K5SSSdice at every possible opportunity." --Stephen Hawking

Re: [OT] Re: Banned on NANOG

2004-12-04 Thread Stephen Sprunk
g that individuals be warned in public, but if more than X people reply to an off-topic thread, it seems that an on-list reminder of the AUP is more effective at preventing future replies than going after individual posters afterwards. X probably varies depending on how clearly off-topic

Re: IPv6, IPSEC and deep packet inspection

2004-12-31 Thread Stephen Sprunk
l the same, and layers 3 and 4 only have marginal differences. If you expect people to treat IPv6 any differently than IPv4, you'll need to be very explicit in what the differences are (or can be) and what the benefits are to throwing out a decade or more of experience and retraining everyone.

Re: IPv6, IPSEC and deep packet inspection

2004-12-31 Thread Stephen Sprunk
it's still quite possible to shut down IPv6 connectivity until you figure out how to fix things. After all, there's nothing significant out there yet on v6 that can't be reached with v4... S Stephen Sprunk"Stupid people surround themselves with smart CCIE #3723

Re: Vonage complains about VoIP-blocking

2005-02-15 Thread Stephen Sprunk
ut it's far from common at this point. S Stephen Sprunk"Stupid people surround themselves with smart CCIE #3723 people. Smart people surround themselves with K5SSS smart people who disagree with them." --Aaron Sorkin

Re: Vonage complains about VoIP-blocking

2005-02-15 Thread Stephen Sprunk
r from common at this point. > > Wouldn't there be a fee to utilize https? One needs an SSL certificate, but the operator may already have one. If not, or they don't want to reuse an existing server, they can either get one for a fee or maybe use a self-signed certificate. S S

Re: Re[2]: Vonage complains about VoIP-blocking

2005-02-16 Thread Stephen Sprunk
lly prefer TFTP if those are the only choices -- and wouldn't want to teach them how to properly install FTP/SSL or FTP/SSH. We live in a port 80/443 world. S Stephen Sprunk"Stupid people surround themselves with smart CCIE #3723 people. Smart people surround themselves

Re: Clearwire May Block VoIP Competitors

2005-03-31 Thread Stephen Sprunk
Thus spake "Howard, W. Lee" <[EMAIL PROTECTED]> > That's interesting. . . where's the intersection of the packet > size curve and the latency curve? Many equipment vendors allow you to specify the number of ms of data to include in each packet while others require you to specify byes; I'll assume

Re: Vonage Hits ISP Resistance

2005-04-01 Thread Stephen Sprunk
ot;administrative" line that Vonage uses -- and if I bothered, I could easily set the PBX to reroute 911 there instead. Location information is tougher, but I have to tell the operator my location on a cell phone too, so it's not a deal-killer.

Re: potpourri (Re: Clearwire May Block VoIP Competitors )

2005-04-01 Thread Stephen Sprunk
uire 9 for outside lines; if they get a dial timeout (or #) after collecting 4 or 5 digits, they consider it an extension, otherwise they consider it an outside number. What are they supposed to do when someone starts dialing extension 91125? S Stephen Sprunk "Those people who th

Re: Vonage Hits ISP Resistance

2005-04-01 Thread Stephen Sprunk
ime since I'm constantly futzing with them for work. However, in case someone might chance upon a working one before giving up, I'll go figure out how to make the PBX to route 911 and 9911 to my PSAP instead of one in Canada. Or maybe I'll just put it in an on-screen speed dial. Hmm.

Re: FCC To Require 911 for VoIP

2005-05-01 Thread Stephen Sprunk
formation _within X sqft_ to the PSAP. In the business world this means you need to know which part of which floor in which building the phone is located, ostensibly so the police/fire crews don't waste time searching for you if you're unable to speak. This is a nightmare for PBX admi

Re: Stanford Hack Exposes 10,000

2005-05-26 Thread Stephen Sprunk
ot;cost of doing business", nothing will change. When it starts getting out of hand, you can be sure they'll see to it a special task force in the FBI is started. And it won't help, because the vast majority of fraud is isolated incidents by opportunists, not the rings of profes

Re: Micorsoft's Sender ID Authentication......?

2005-06-09 Thread Stephen Sprunk
quot; significantly degrades, it will be stopped -- as will any future legitimate email from her. This "solution" strikes me as worse than the problem it tries to address. S Stephen Sprunk "Those people who think they know everything CCIE #3723 are a great annoyance to those of us who do." K5SSS --Isaac Asimov

Re: OSPF -vs- ISIS

2005-06-21 Thread Stephen Sprunk
the Internet. The difference in stability is less apparent today, but the mindset is still quite alive. That means ISIS gets "ISP" features faster, and the code still tends to be more solid than OSPF even though ISIS might now be getting changes more frequently than it did in the past.

Re: ATM

2005-06-29 Thread Stephen Sprunk
ad and gone because it fits a distinct customer demand (cheap, simple, and very slow) with no reasonable replacement. S Stephen Sprunk "Those people who think they know everything CCIE #3723 are a great annoyance to those of us who do." K5SSS --Isaac Asimov

Re: OMB: IPv6 by June 2008

2005-06-30 Thread Stephen Sprunk
servers. Their desktops may go IPv6-only, but there's no way their servers will do so until well after the plug is pulled on IPv4 over the public Internet (if ever). Coexistence is the name of the game, not transparency. S Stephen Sprunk "Those people who think they know ev

Re: OMB: IPv6 by June 2008

2005-07-01 Thread Stephen Sprunk
randomly, you sit and watch what other IP addresses the local host communicates with (on- and off-subnet), and attack each of them. How many degrees of separation are there really between any two unrelated computers on the Internet? You could probably collect half of all addresses in use just by i

Re: sanity check frame question

2002-08-22 Thread Stephen Sprunk
Thus spake <[EMAIL PROTECTED]> > I have a Frame connection between two sites, A and B. If the router > crashes at B, wouldn't A still see the DLCI for > B? Is there any scenario where this wouldn't be the case? If > B gets blown off the map, shouldnt A's frame interface be > in at least an up/d

Re: Broadening the IPv6 discussion

2002-08-29 Thread Stephen Sprunk
Thus spake "Daniel Golding" <[EMAIL PROTECTED]> > Hmm. I'm afraid that I have to disagree with just about everything you've > said :) . I haven't seen any enterprise folks demanding v6 - If VOIP and > PDA's (?) use up their IP addresses, they can easily ask for more. The more > you use, the more

Re: IP address fee??

2002-09-05 Thread Stephen Sprunk
Thus spake "Richard A Steenbergen" <[EMAIL PROTECTED]> > On Thu, Sep 05, 2002 at 01:36:27PM -0400, Derek Samford wrote: > > Shane, > > There is a practice on that (At least here.). Generally we > > provide a Class C to our customers at no additional charge, but we have > > Why in this

Re: IP address fee??

2002-09-05 Thread Stephen Sprunk
Thus spake "Richard A Steenbergen" <[EMAIL PROTECTED]> > On Thu, Sep 05, 2002 at 11:00:43AM -0700, Jeff Shultz wrote: > > > > Possibly because that is what they are still teaching them as in > > school? > > > > Seriously... I'm not sure that the teachers I had for networking and > > systems admin

Re: IP address fee??

2002-09-05 Thread Stephen Sprunk
Thus spake "Tony Tauber" <[EMAIL PROTECTED]> > On Thu, 5 Sep 2002, Richard A Steenbergen wrote: > > > On Thu, Sep 05, 2002 at 01:36:27PM -0400, Derek Samford wrote: > > > Shane, > > > There is a practice on that (At least here.). > > > Generally we provide a Class C to our

Re: IP address fee??

2002-09-06 Thread Stephen Sprunk
Thus spake "Joe Abley" <[EMAIL PROTECTED]> > On Thu, Sep 05, 2002 at 01:13:27PM -0500, Stephen Sprunk wrote: > > Because "Cee" is easier to pronounce than "slash twenty-four". Ease of use > > trumps open standards yet again :) > > Nobod

Re: Cogent service

2002-09-20 Thread Stephen Sprunk
Thus spake "Vadim Antonov" <[EMAIL PROTECTED]> > On Fri, 20 Sep 2002, Stephen Stuart wrote: > > Regarding CPU cycles for route lookups: > > > > Back in the mid-1990s, route lookups were expensive. There was a lot > > of hand-wringing, in fact, about how doing route lookups at every hop > > in lar

Re: Wireless insecurity at NANOG meetings

2002-09-23 Thread Stephen Sprunk
Thus spake "Sean Donelan" <[EMAIL PROTECTED]> > The wireless networks at NANOG meetings never follow what the security > professionals say are mandatory, essential security practices. The NANOG > wireless network doesn't use any authentication, enables broadcast SSID, > has a trivial to guess SSI

Re: layer 3 switch debate

2002-09-27 Thread Stephen Sprunk
Thus spake "ip dude" <[EMAIL PROTECTED]> > IP Community: > > When designing an all IP network requiring mostly Ethernet interfaces, the logical conclusion is to specify layer 3 switches (instead of routers). The cost per port and functionality requirements make a layer 3 switch the perfect choice

Re: layer 3 switch debate

2002-09-27 Thread Stephen Sprunk
Thus spake "ip dude" <[EMAIL PROTECTED]> > so it is your opinion that a Catalyst 6509 (i.e. Layer 3 switch) is equivalent to a 7206 or GSR? Of course, this is in regard to 'core' routing device in the middle of a national IP network. This network in question just happens to utilize a lot of GE LH

Re: Internet Core Routing - Ethernet

2002-09-30 Thread Stephen Sprunk
Thus spake "Bob Martinez" <[EMAIL PROTECTED]> > >Hmm... so if somebody posts to the list with the problem, and somebody else > >saw that same issue and got a fix from the vendor, they need to send it to the > >vendor for comment, or they can say "Oh, you're being bit by bug (can't say > >because

Re: Internet Core Routing - Ethernet

2002-09-30 Thread Stephen Sprunk
Thus spake <[EMAIL PROTECTED]> > > 2. Ethernet is the technology. > > Excuse me if I chuckle, having heard THAT before in the last 2 decades or so. > > I've learned to not take *anybody* seriously when they say something is "THE" > anything. Structured programming wasn't the end-all, nor was AT

Re: Internet Core Routing - Ethernet

2002-09-30 Thread Stephen Sprunk
Thus spake "Bob Martinez" <[EMAIL PROTECTED]> > You are the guy that posted about IBGP Nailed Routes. I love that idea. I > understand your love of L3 and your design is great; however, as a service > provider, you can't always rely on IP. As an ISP, your job is to provide IP. If you -- much

Re: IPv4 country of origin

2002-10-03 Thread Stephen Sprunk
Thus spake "Ralph Doncaster" <[EMAIL PROTECTED]> > That's basically all Netscape & Microsoft were doing when they had to > restrict 128-bit SSL. They threw in the requirement to enter your address > & phone number, but they had no way of telling if you were entering your > address, or the one yo

Re: IPv4 country of origin

2002-10-03 Thread Stephen Sprunk
Thus spake <[EMAIL PROTECTED]> > > On Thu, 3 Oct 2002 [EMAIL PROTECTED] wrote: > > > Yes, at least three companies have databases of pretty much all /24s and > > > above mapped up to a zip code. > > > > These DBs are a joke. I have /19's that are SWIPed to the billing > > office but used in remo

Re: UUNET Routing issues

2002-10-03 Thread Stephen Sprunk
Thus spake "Iljitsch van Beijnum" <[EMAIL PROTECTED]> > At 155 Mbps you need 32 MB worth of buffer space to arrive at a delay like > this. I wouldn't put it past ATM vendors to think of this kind of > over-enthusiastic buffering as a feature rather than a bug. Traditionally, it's ATM switches th

Re: IPv4 country of origin

2002-10-04 Thread Stephen Sprunk
Thus spake <[EMAIL PROTECTED]> > > Say I have about 10 /16's reachable through firewalls in SJC, RDU, SYD, and AMS. > > No traceroutes or pings can make it past these firewalls, nor do the hostnames > > indicate any particular location. How exactly do you plan on mapping these to a > > zip code,

Re: "VeriSign Moves DNS Server To Boost Security"

2002-11-11 Thread Stephen Sprunk
Thus spake "Gil Cohen" <[EMAIL PROTECTED]> > In an effort to protect the Internet from future hacking attacks, VeriSign > (Nasdaq: VRSN - news) has moved one of the Net's root servers to an > undisclosed physical and virtual location. Maybe I'm missing something... J's "virtual location" aka IP

Re: PAIX

2002-11-14 Thread Stephen Sprunk
Thus spake <[EMAIL PROTECTED]> > On Thu, 14 Nov 2002 10:22:09 -0500 David Diaz wrote: > > 2) There is a lack of a killer app requiring peering every 100 sq Km. > > David; > > I recommend some quality time with journals covering South > Korea, broadband, online gaming and video rental. Current pe

Re: PAIX

2002-11-14 Thread Stephen Sprunk
Thus spake "E.B. Dreger" <[EMAIL PROTECTED]> > DD> 1) Long haul circuits are dirt cheap. Meaning distance > DD> peering becomes more attractive. L3 also has an MPLS product > DD> so you pay by the meg. I am surprised a great many peers are > DD> using this. But apparently CFOs love it > > Uebe

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