Re: DS3 mux recommendation

2010-09-09 Thread sjk
We use Adtran MX2820s which have been pretty reliable. They are designed for medium density, so I am not sure if they'll be applicable to your situation. We pull and trap a fair amount of snmp from them with no problems. Jay Nakamura wrote: > I haven't researched stand alone DS3 mux in a long time

Re: U.S. Plans Cyber Shield for Utilities, Companies

2010-07-11 Thread sjk
$100M is for the first phase, which I would think would be the initial deployment of intrusions sensors with out of band data feeds, and the building of a baseline traffic model. The real question is why do any critical control networks ever touch anything remotely connected to a public network? La

Re: Strange practices?

2010-06-07 Thread sjk
Bill Fehring wrote: > On Mon, Jun 7, 2010 at 14:59, Murphy, Jay, DOH wrote: >> "So if the enterprise loses connectivity to one of these two providers, does >> the provider without working connectivity to the enterprise have mechanism >> in place to cease originating the address space?" >> Yes, B

Re: Strange practices?

2010-06-07 Thread sjk
Hve seen it a few times -- usually with enterprise customers who are unable to manage their own routers and one ISP which has problems configuring BGP on their client facing equipment. Dale Cornman wrote: > Has anyone ever heard of a multi-homed enterprise not running bgp with > either of 2 provi

Cyclops Down?

2009-12-15 Thread sjk
Is anyone else seeing cyclops down -- or is it just me? mtr -c10 -r 131.179.96.253 4. osh-2828-peer.onshore.net 0.0%101.3 1.3 1.2 1.6 0.1 5. ip65-47-181-105.z181-47-65.c 0.0%101.4 2.0 1.3 3.7 0.8 6. ge11-1-4d0.mcr2.chicago-il.u 0.0%102.1 1.7

Re: NetFlow analyzer software

2009-10-19 Thread sjk
We currently use nfsen - http://nfsen.sourceforge.net/ -- It works pretty well, not as fancy as others I've worked with, but provides the basic analytical needs. Michael J McCafferty wrote: > All, >I am looking for decent netflow analyzer and reporting software with good > support for AS dat

Re: Invalid prefix announcement from AS9035 for 129.77.0.0/16

2009-10-09 Thread sjk
We are seeing the same ting with 66.146.192.0/19 & 66.251.224.0/19. According to cyclopes this is still continuing. . . Dylan Ebner wrote: > We also received a notification that our IP block 67.135.55.0/24 (AS19629) is > being annouced by AS9035. Hopefully someone is receiving my emails. > > Tha

Residential BW Planning

2009-08-11 Thread sjk
I am trying to perform some capacity planning for some of our residential pops, but the old calcs I used to use seem useless -- as they were adapted from the dialup days and relied upon a percentage of users online (~50%) and a percentage of concurrent transmission (~19%). My present scenario invol

Re: DOS in progress ?

2009-08-06 Thread sjk
We are presently seeing some weird FB behavior -- timeouts and retry issues. We've had several reports from our users and just began investigating. Any info you have would be appreciated. --sjk Jorge Amodio wrote: > Are folks seeing any major DOS in progress ? > > Twitter seems t

Re: cisco.com

2009-08-04 Thread sjk
Seeing them off of Sprint now. . . weird sjk wrote: > We have seen the route for cisco withdrawn from 208 and 2828. Facebook > seems fine > >

Re: cisco.com

2009-08-04 Thread sjk
We have seen the route for cisco withdrawn from 208 and 2828. Facebook seems fine Dominic J. Eidson wrote: > > Both work from Austin, TX. > > > > - d. > > On Tue, 4 Aug 2009, Alex Nderitu wrote: > >> Facebook seems to also be affected. >> >> >> -Original Message- >> From: R. Benjami

Re: Anomalies with AS13214 ?

2009-07-28 Thread sjk
Russell Heilling wrote: > 2009/5/11 Ricardo Oliveira : >> Hi all, >> >> First, thanks for using Cyclops, and thanks for all the Cyclops users that >> drop me a message about this. >> >> It seems some router in AS13214 decided to originate all the prefixes and >> send them to AS48285 in the Cayman

DSX cross-connect solution

2009-05-04 Thread sjk
I am trying to find hardware for a rebuild of our DS1 cross-connect frame and can't seem to find much out there. We've got ~300 DS1s that need to be x-connected between our M13s and I'm seeking an easy to manage solution. I've looked at the Telect panels but I'm concerned that my staff can't deal w