Re: Hope this isnt a redundant question : Cisco IOS Netflow analysis mechanisms?

2005-09-26 Thread Per Gregers Bilse
On Sep 26, 2:37pm [EMAIL PROTECTED] wrote: > 8% of our traffic is destined to AS 2828 (XO communications) etc. Shameless plug: BENTO does that. http://www.networksignature.com Most questions should be answered in the FAQ: http://www.networksignature.com/bentofaq.html Click 'take a test drive

Re: [Misc][Rant] Internet router

2005-09-29 Thread Per Gregers Bilse
On Sep 29, 1:34pm [EMAIL PROTECTED] wrote: > I am sure that there are other, much more scary examples out there, > feel free to send me (humorous) examples, I need a laugh today... My finest "Dilbert moment"; it's over ten years old now, in fact. Boss: Per, I need you to write much more comp

RE: [Misc][Rant] Internet router (straying slightly OT)

2005-09-29 Thread Per Gregers Bilse
On Sep 29, 10:42pm [EMAIL PROTECTED] wrote: > I'd start with Sam Halabi's Internet Routing Architectures book. Grumble ... with reference to the issue of routing between connected networks, your choice might be too advanced. Douglas Comer's "Internetworking With TCP/IP Vol I" has been one of the

Re: Choosing new transit: software help?

2005-10-14 Thread Per Gregers Bilse
On Oct 14, 10:03am [EMAIL PROTECTED] wrote: > Subject: Re: Choosing new transit: software help? A remarkably large list of netflow tools is maintained at: http://www.switch.ch/tf-tant/floma/software.html It distinguishes between free and commercial software. > (Note to sales-droids on the list

Re: BGP terminology question

2005-11-08 Thread Per Gregers Bilse
On Nov 8, 2:39pm [EMAIL PROTECTED] wrote: > holdtime-and-a-bit seconds. [Aside: shouldn't the session be refused at > startup if a mutually agreeable keepalive value can't be negotiated rather > than being allowed to flap like this?] Junipers seem to be slightly in the wrong here. A hold tim

Re: Level3 Question

2005-11-11 Thread Per Gregers Bilse
On Nov 11, 1:14pm [EMAIL PROTECTED] wrote: > The only way to get 32-bit AS number support deployed is to run out > of AS numbers in > the 16 bit space. Exactly. - When will the Internet deploy X? - Just before it's too late. How many people on this list remember the transition from BGP3

Re: Level3 Question

2005-11-11 Thread Per Gregers Bilse
On Nov 11, 9:50pm [EMAIL PROTECTED] wrote: > EGP-BGP > BGP-BGP2 > BGP2-BGP3 Yes ... but those were easier, more overlap was possible, especially at the edge. We had EGP peers right into BGP4 times. CIDR was more universal, outright a 'flag day' all things considered. But nev

Re: Graphing Peering

2005-01-20 Thread Per Gregers Bilse
On Jan 19, 1:41pm, andrew matthews <[EMAIL PROTECTED]> wrote: > Anyone have any suggestions on graphing peering on a cisco router? I'm > using mrtg and i did mac address accounting but the numbers are off. If you don't mind a reasonably inexpensive commercial solution, BENTO does exactly what yo

Re: E1 - RJ45 pinout with ethernet crossover cable

2005-02-25 Thread Per Gregers Bilse
On Feb 25, 11:25am, Sam Stickland <[EMAIL PROTECTED]> wrote: > Quick question: If I have two E1 ports (RJ45), then will running a > straight ethernet cable between the two ports have the same affect as > plugging a ballan into each port and using a pair of coax (over a v. > short distance). Yo

Re: E1 - RJ45 pinout with ethernet crossover cable

2005-02-25 Thread Per Gregers Bilse
On Feb 25, 12:03pm, Alex Bligh <[EMAIL PROTECTED]> wrote: > One circumstance where this does work is connecting (for instance) an E1 > trunk connection between (say) two FR switches in the same room, provided > you remember to set exactly one end to originate, and one end to receive > clock (i.e.

Re: Clue on Europe

2005-03-08 Thread Per Gregers Bilse
On Mar 8, 5:22am, Subhi S Hashwa <[EMAIL PROTECTED]> wrote: > Avoid Redbux Hex (London) like the plague, just ask about their > recent power outages. AFAIK their other facilities are ok. I think that's a bit unfair. I've had my personal Internet connectivity (copper line and baseband modems) v

Re: Clue on Europe

2005-03-09 Thread Per Gregers Bilse
By popular request ... saves more people from asking. Q: What did MFS do to my (AS286, EUnet at the time) box at MAE-West? A: (You need to know that we were in Amsterdam in The Netherlands, and shipped a box to them for them to install.) It was installed offsite in another facility, in a privat

Re: AUP for NANOG?

2005-04-15 Thread Per Gregers Bilse
On Apr 14, 9:22am, Scott Grayban <[EMAIL PROTECTED]> wrote: > The more bashing I hear here the less I want to ask a question here. > I'm not stupid but I am worried that one question might spark a rash of > flames back at me. > > This is a newbies point of view. Thanks for braving it.-) It wo

Re: IDS/DDOS prevention hardware that doesnt cost $80,000+?

2005-05-25 Thread Per Gregers Bilse
On May 25, 10:45am, "Drew Weaver" <[EMAIL PROTECTED]> wrote: > I'm wondering if there is such an animal out there? All of > the ones I have seen are made for the multi-gigabit service provider > there aren't any for the smaller mid-rangers out there. Can anyone > suggest anything that

Re: Barracuda Networks Spam Firewall

2004-05-20 Thread Per Gregers Bilse
On May 20, 3:30pm, Rik van Riel <[EMAIL PROTECTED]> wrote: > Different people get different spam, from different sources. > > For years I was under the impression that spammers must be > blasting everybody, so everybody would get similar spam. > > I was surprised to find out that this isn't the

Re: Open Source BGP Route Optimization?

2004-05-27 Thread Per Gregers Bilse
At first I wasn't sure what a "route optimizer" was supposed to do -- the term is rather generic and could have a lot of different interpretations. A multi-path traffic balancing solution in the style of Cisco's OER has to be tightly integrated with the routing infrastructure. Specifically, it n

Re: Open Source BGP Route Optimization?

2004-05-28 Thread Per Gregers Bilse
On May 28, 10:37am, "Sam Stickland" <[EMAIL PROTECTED]> wrote: > Are there any BGP extensions that would cause a BGP speaker to foward all of > it's paths, not just it best? I believe quagga had made some recent attempts It has been discussed and been on wish lists, but: > in this direction. IIR

Re: Open Source BGP Route Optimization?

2004-05-28 Thread Per Gregers Bilse
On May 28, 6:34pm, Arnold Nipper <[EMAIL PROTECTED]> wrote: > Wouldn't Equal Cost Multi-Path (ECMP) solve this? In some, or maybe even many, cases, yes, mostly, but what people really want is an AS-wide solution, covering any number of boxes, and preferably not depending on a pseudo-random selec

Re: Open Source BGP Route Optimization?

2004-05-28 Thread Per Gregers Bilse
Hi bep, good to see you're still kicking.-) On May 28, 12:25pm, Bruce Pinsky <[EMAIL PROTECTED]> wrote: > Having helped design and implement one such a system, I can tell you that > there are alternatives to peering directly with transit providers. We were > able to learn alternate paths direct

Re: Open Source BGP Route Optimization?

2004-05-30 Thread Per Gregers Bilse
On May 30, 11:21am, Stefan Mink <[EMAIL PROTECTED]> wrote: > what about persistent route oscillations when you use route reflectors? > You wouldn't have that problem if you could announce several paths... Good to see that creativity is still alive and kicking. But, no, that sounds like a questio

Re: "Default" Internet Service

2004-06-13 Thread Per Gregers Bilse
Just because one can find a counter argument against an argument doesn't mean the original argument is invalid. Do you lock your front door when you leave home? Yes. Can a burglar break in? Yes. Is the police responsible for maintaining law and order? Yes. Are car owners responsible for keepi

Re: "Default" Internet Service

2004-06-13 Thread Per Gregers Bilse
On Jun 13, 4:15pm, Dave Howe <[EMAIL PROTECTED]> wrote: > disproof by counterexample is a valid technique. Debating techniques belong in debating societies, not NANOG. Bring back com-priv! -- Per

Re: "Default" Internet Service/Driver's License

2004-06-15 Thread Per Gregers Bilse
On Jun 15, 8:55am, Susan Harris <[EMAIL PROTECTED]> wrote: > Folks, it's time to end these threads. If I have to read one more > political/social analogy, I'm going to pass out ... Can I help? Please? Pretty please? Pretty pretty pluuuhse? :-) -- Per

Re: Netflow/flowscan

2004-06-22 Thread Per Gregers Bilse
On Jun 21, 11:10pm, andrew matthews <[EMAIL PROTECTED]> wrote: > Anyone ever done some major flowscan stuff? Flowscan is perl, isn't it? > We tried it once for a while and we had so much traffic our dual zeon > 3.06ghz system couldn't keep up. The flows just started getting more How much traffi

Re: Who broke .org?

2004-07-03 Thread Per Gregers Bilse
On Jul 2, 2:48pm, Jeff Wasilko <[EMAIL PROTECTED]> wrote: > On Fri, Jul 02, 2004 at 02:38:12PM -0400, Patrick W Gilmore wrote: > > run .org, I just think a blanket statement "anycast is bad" is, well, > > bad.) > > I'd be totally happy to see a combination, too. It's just pretty > obvious that

Re: This may be stupid but..

2003-11-10 Thread Per Gregers Bilse
> Date: Sat, 8 Nov 2003 17:16:46 -0500 > From: "Fisher, Shawn" <[EMAIL PROTECTED]> > > If this question is inappropriate for this list I apoligize in advance. Tangential matter is the lifeblood of all mailing lists. >[...] > > My question, what is the most effective way to recruit quality eng

Re: OT: BGP questions

2003-11-15 Thread Per Gregers Bilse
> Date: Sat, 15 Nov 2003 16:01:33 -0500 (EST) > From: Charles Sprickman <[EMAIL PROTECTED]> >[...] > suggestions? I'm good with the basics, but I've got a perplexing issue > (just look at AS8059, which is still sucking down most traffic via 6939 > rather than 3356, even with all that silly prepen

Re: CiSCO IOS 12.* source code stolen

2004-05-16 Thread Per Gregers Bilse
Some years ago I was arguing with my then department head (whom I have the greatest respect for, it should be said) at Cisco that IOS should be turned open source. Needless to say, the suggestion was met with "some" resistance, mildly speaking. I still think the idea has a lot going for it. IOS

Re: Barracuda Networks Spam Firewall

2004-05-18 Thread Per Gregers Bilse
On May 18, 5:22pm, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > > Once AOL starts doing it -- you can bet they will be one of the ones > > blocking on it. > > That's going to pretty much torpedo the concept of secondary MX's. Not to suddenly burst back, but ... Second/terti/etc-ary MXers re

Re: Barracuda Networks Spam Firewall

2004-05-18 Thread Per Gregers Bilse
On May 18, 7:03pm, "Eric A. Hall" <[EMAIL PROTECTED]> wrote: > > For a long time since then, backup MXs have been seen as a kind of > > value-added courtesy service; they serve no really useful purpose > > well, they're handy for centralizing filters against multiple domains, if > you're willin

Re: Open Letter to D-Link about their NTP vandalism

2006-04-07 Thread Per Gregers Bilse
On Apr 7, 6:49pm [EMAIL PROTECTED] wrote: > *sigh* Yes yes everyone loves a good "large stupid company screws the > little guy by sticking their small/free service into a commercial product" > story, but unfortunately none of these solutions are very pragmatic. If I > hosted an NTP server and

Re: BGP unsupported capability code

2006-08-18 Thread Per Gregers Bilse
On Aug 18, 8:31am [EMAIL PROTECTED] wrote: > This isnt an intellectual excercise, its something that operationaly > affects me. Perhaps it has, is, or will affect any of the operators who > subscribe to this list. > > Since I may have to go to bat against the vendor on this one, I thought > I

Re: BCP Question: Handling trouble reports from non-customers

2006-09-01 Thread Per Gregers Bilse
You're absolutely right, but your struggle is uphill. Some considerable time ago my "XO" (James Aldridge) had a big hand in RFC2142, but in spite of it being Standards Track and otherwise receiving universal approval, real uptake was patchy. In fact, in spite of most peering contracts (which sta

Re: that 4byte ASN you were considering...

2006-10-10 Thread Per Gregers Bilse
[This isn't meant to be flippant or anything else of the kind, it's a genuinely heartfelt thing, albeit maybe a bit off topic.] What all things computer related has needed from day one is a way of pronouncing ("reading out loud") hexadecimal. My first computer was a 6502, and I've resented numbe