Re: Telephones for Noisy Data Centers

2009-06-17 Thread Vadim Antonov
Try noice-canceling aviation headsets (GA or helicopter models have truly amazing noise suppression). High-end models come with cellphone interface. I don't think cellphones will work in many data centers, but I think rigging interface from a normal cordless phone to the headset is pretty simple.

Re: Cogent input

2009-06-17 Thread Kevin Hodle
Hi Justin, Just FYI - Global Crossing can currently deliver dual stack/native v6 transit in downtown KC,MO. You can either colo with them at 1100 Main St, or possibly have them haul a wave to one of the other major downtown carrier hotels they have strands running through / into (1102 Grand/B

Re: WISP NMS recommendations

2009-06-17 Thread Michael Painter
- Original Message - From: "Freddie Sessler" To: Sent: Wednesday, June 17, 2009 6:31 PM Subject: WISP NMS recommendations Hi Folks,I am looking for recommendations on an NMS system for use in managing a multivendor wireless infrastructure. Specifically we run mostly Motorola point to

Re: WISP NMS recommendations

2009-06-17 Thread Shon Elliott
That's an excellent question, Freddie. I am also interested in what people are using for WISP Infrastructure. We also use Motorola PTP, Canopy, as well as Airstream, Ubiquiti, Trango, and WaveRider. Regards, Shon Elliott Senior Network Engineer unWired Broadband, Inc. Freddie Sessler wrote: > Hi

Re: Hurricane Electric

2009-06-17 Thread Steve Bertrand
Paul Stewart wrote: > Hi folks... > > Looking for some feedback on using Hurricane Electric as an upstream? Even though I only have tunnel relationships with them for v6 (ie free transit), I'd have to say that between: - their excellent automation tools - their time-to-response - their level of

WISP NMS recommendations

2009-06-17 Thread Freddie Sessler
Hi Folks,I am looking for recommendations on an NMS system for use in managing a multivendor wireless infrastructure. Specifically we run mostly Motorola point to point, point to multipoint(Canopy platform) and mesh radios devices We have looked at the One Point Wireless Manager but this product in

Re: Telephones for Noisy Data Centers

2009-06-17 Thread Jay Hennigan
Michael J McCafferty wrote: All, I'd be OK if we were in a facility that was only average in terms of noise, but we are not. I need an exceptional phone for the data center. Something that doesn't transmit the horrible background noise to the other end, and something that is loud without

Re: Hurricane Electric

2009-06-17 Thread Tico
Paul Stewart wrote: Hi folks... Looking for some feedback on using Hurricane Electric as an upstream? I'll second what others have already said. I've interacted with them a decent bit, and have always gotten prompt, knowledgeable, and helpful support and service when I've called/emailed.

Re: Hurricane Electric

2009-06-17 Thread Paul Ferguson
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On Wed, Jun 17, 2009 at 8:29 PM, David Klann wrote: > On Wed, 17 Jun 2009 19:41:23 -0500 > Paul Stewart wrote: > >> Looking for some feedback on using Hurricane Electric as an upstream? >> > > Hi Paul, > > My employer, Airstream Communications, uses

Re: Hurricane Electric

2009-06-17 Thread David Klann
On Wed, 17 Jun 2009 19:41:23 -0500 Paul Stewart wrote: > Looking for some feedback on using Hurricane Electric as an upstream? > Hi Paul, My employer, Airstream Communications, uses HE for one of its three upstream Internet providers. We have an asymmetric 1GB inbound, and 512MB outbound conn

Re: Unicast Flooding

2009-06-17 Thread Steven King
I wouldn't consider this a defect. Historically L2 and L3 devices have always been separate. When you get L3 switch those functions are just combined into one device. In Cisco devices that support CEF, the CEF table is used to make all forwarding decisions. But the CEF table is dependent the ARP an

Re: Telephones for Noisy Data Centers

2009-06-17 Thread Andrew Jones
Michael J McCafferty wrote: On Wed, 2009-06-17 at 18:38 -0700, sean head wrote: Nathan Ward wrote: On 18/06/2009, at 1:31 PM, Michael J McCafferty wrote: All, I'd be OK if we were in a facility that was only average in terms of noise, but we are not. I need an exceptional p

Re: Telephones for Noisy Data Centers

2009-06-17 Thread Michael J McCafferty
On Wed, 2009-06-17 at 18:38 -0700, sean head wrote: > Nathan Ward wrote: > > On 18/06/2009, at 1:31 PM, Michael J McCafferty wrote: > > > >> All, > >> I'd be OK if we were in a facility that was only average in terms of > >> noise, but we are not. I need an exceptional phone for the data center

Re: Telephones for Noisy Data Centers

2009-06-17 Thread Scott Howard
On Wed, Jun 17, 2009 at 6:38 PM, Nathan Ward wrote: > > Not 100% what you asked for, but the noise cancelling Jawbone bluetooth > earpieces are great. As much as I love my Jawbone (first gen model) I've never found it loud enough to work well in most datacenters. The person on the other end of

Re: Unicast Flooding

2009-06-17 Thread Leo Bicknell
In a message written on Wed, Jun 17, 2009 at 02:32:44PM -0700, Brian Shope wrote: > Anyone have any suggestions on either prevention/monitoring? If you control the servers, writing a small program to emit a packet every 300 seconds or so out every interface should be nearly trivial, and will insu

Re: Telephones for Noisy Data Centers

2009-06-17 Thread Owen DeLong
I have similar experience in various equinix datacenters. I finally resorted to using a blue-tooth capable phone and bringing in my Aviation ANR headset with blootooth capabilities. It's a pricey headset for just using in a datacenter, but, I love having it in the airplane and it also works well

Re: Telephones for Noisy Data Centers

2009-06-17 Thread sean head
Nathan Ward wrote: > On 18/06/2009, at 1:31 PM, Michael J McCafferty wrote: > >> All, >> I'd be OK if we were in a facility that was only average in terms of >> noise, but we are not. I need an exceptional phone for the data center. >> Something that doesn't transmit the horrible background noi

IGP/BGP design question

2009-06-17 Thread ML
We have three main cities wherein eyeballs live. Currently we have San Jose and San Francisco traffic egressing in SF, and Los Angeles egressing in LA. There is one private 2x1gig long haul linking SJC to LA and a 1x 10gig linking SJC to SF. i.e SF <-10gig-> SJC <-2gig-> LA Each area is a se

Re: Telephones for Noisy Data Centers

2009-06-17 Thread Nathan Ward
On 18/06/2009, at 1:31 PM, Michael J McCafferty wrote: All, I'd be OK if we were in a facility that was only average in terms of noise, but we are not. I need an exceptional phone for the data center. Something that doesn't transmit the horrible background noise to the other end, and

Telephones for Noisy Data Centers

2009-06-17 Thread Michael J McCafferty
All, I'd be OK if we were in a facility that was only average in terms of noise, but we are not. I need an exceptional phone for the data center. Something that doesn't transmit the horrible background noise to the other end, and something that is loud without being painful for the user of

Hurricane Electric

2009-06-17 Thread Paul Stewart
Hi folks... Looking for some feedback on using Hurricane Electric as an upstream? Thanks, Paul "The information transmitted is intended only for the person or entity to which it is addressed and contains confiden

Re: spamhaus drop list

2009-06-17 Thread Suresh Ramasubramanian
On Thu, Jun 18, 2009 at 5:29 AM, Sean Donelan wrote: > On Wed, 17 Jun 2009, Suresh Ramasubramanian wrote: >> >> The cymru bogons list and the spamhaus drop list target two entirely >> distinct issues and they shouldnt be confused together. > > Correct.  And whatever list you use, for whatever purpo

Re: spamhaus drop list

2009-06-17 Thread Sean Donelan
On Wed, 17 Jun 2009, Suresh Ramasubramanian wrote: The cymru bogons list and the spamhaus drop list target two entirely distinct issues and they shouldnt be confused together. Correct. And whatever list you use, for whatever purpose, at the time you start using it also set up a process to upd

Re: Cogent input - no peering with Global Crossing in Europe [Re: NANOG Digest, Vol 17, Issue 46]

2009-06-17 Thread Charles Wyble
Ouch... latency must be awful. I suppose this is based on Cogents reputation but who knows. The whole peering aspect of the networking business is often a mystery. AKK wrote: My main concern for European Cogent users is - no European peering with global crossing - traffic goes via NY JFK. I

RE: Unicast Flooding

2009-06-17 Thread Holmes,David A
In a layer 3 switch I consider unicast flooding due to an L2 cam table timeout a design defect. To test vendors' L3 switches for this defect we have used a traffic generator to send 50-100 Mbps of pings to a device that does not reply to the pings, where the L3 switch was routing from one vlan t

Cogent input - no peering with Global Crossing in Europe [Re: NANOG Digest, Vol 17, Issue 46]

2009-06-17 Thread AKK
My main concern for European Cogent users is - no European peering with global crossing - traffic goes via NY JFK. It has been like this for at least a year and staff been giving assurances this should be sorted soon. Probably there are more bad peerings - please share. 6: so-7-0-0c0.rt1.m

RE: Unicast Flooding

2009-06-17 Thread Deepak Jain
> After debugging the problem we added "mac-address-table aging-time > 14400" to our data center switches. That syncs the mac aging time to > the same timeout value as the ARP timeout This helps, seconded. Deepak Jain AiNET

Re: Unicast Flooding

2009-06-17 Thread Steven King
I have had the same issue in the past. The best fix for this has been to set the Layer2/3 aging timers to be the same. Matthew Huff wrote: > Unicast flooding is a common occurrence in large datacenters especially with > asymmetrical paths caused by different first hop routers (via HSRP, VRRP, >

RE: Unicast Flooding

2009-06-17 Thread Matthew Huff
Unicast flooding is a common occurrence in large datacenters especially with asymmetrical paths caused by different first hop routers (via HSRP, VRRP, etc). We ran into this some time ago. Most arp sensitive systems such as clusters, HSRP, content switches etc are smart enough to send out gratui

Unicast Flooding

2009-06-17 Thread Brian Shope
Recently while running a packet capture I came across some unicast flooding that was happening on my network. One of our core switches didn't have the mac-address for a server, and was flooding all packets destined to that server. It wasn't learning the mac-address because the server was respondi

Re: spamhaus drop list

2009-06-17 Thread J.D. Falk
Patrick W. Gilmore wrote: I have not used MAPS, so I cannot comment on its utility. but I have never heard a single credible claim Mr. Vixie is a spammer, more or less a verifiable one. (Yes, that includes the claim below.) From my personal experience, Mr. Vixie is very much the opposite of a sp

Re: Verio taking twitter down during Iran Election Riots?

2009-06-17 Thread Jorge Amodio
> What will you do when you get a call from Khamenei, and then one from Obama? hungup and keep the packets flowing ?

Hotmail Postmaster

2009-06-17 Thread Bill Blackford
Can someone from Hotmail contact me off list? Sorry for the SPAM posting, we've tried other methods. Thanks -b -- Bill Blackford Senior Network Engineer Technology Systems Group Northwest Regional ESD my /home away from home

RE: Verio taking twitter down during Iran Election Riots?

2009-06-17 Thread Hiers, David
This is a useful reminder that nanog creates a large part of the battlefield on which state and non-state players constantly prosecute their Information Warfare agendas. What will you do when you get a call from Khamenei, and then one from Obama? Armor up, boys and girls. David Hiers CCIE (R

Re: Verio taking twitter down during Iran Election Riots?

2009-06-17 Thread Martin Hannigan
On Tue, Jun 16, 2009 at 7:55 PM, Jeremy L. Gaddis wrote: > On Tue, Jun 16, 2009 at 12:05 PM, Steve Pirk wrote: > > There are some, ehrm, "boxen" out on the 'net to allow them to get around > > the active blocking going on, but most of the citizen reporters are > unable > > to even get a conection

Re: Cogent input

2009-06-17 Thread Steve Bertrand
Joel Jaeggli wrote: > > Steve Bertrand wrote: >> Stephen Kratzer wrote: >> >>> And, they have no plans to support IPv6. >> Ouch! >> >> I hope this is a non-starter for a lot of folks. > > read the rest of the thread... ...unfortunately, my message was sent out on the 11th, but just received yest

Re: spamhaus drop list

2009-06-17 Thread Suresh Ramasubramanian
Traffic from bogon IP space is more likely than anything else to be the result of misconfiguration rather than a spammer abusing it. The cymru bogons list and the spamhaus drop list target two entirely distinct issues and they shouldnt be confused together. On Wed, Jun 17, 2009 at 2:14 PM, Michie

Re: Cogent input

2009-06-17 Thread David Temkin
On Wed, Jun 17, 2009 at 2:24 AM, Richard A Steenbergen wrote: > On Wed, Jun 17, 2009 at 02:14:31AM -0400, kris foster wrote: >> Simply untrue, at the Peering BOF yesterday Cogent said they are >> rolling this out. > > They saw my "How to deploy IPv6 in 30 minutes or less" tutorial on > Sunday and a

Re: Cogent input

2009-06-17 Thread Dan Carley
2009/6/11 Tore Anderson > > And, they have no plans to support IPv6. > > I have been promised, in writing, that they will provide us with native > IPv6 transit before the end of the year. > > I'm based in Europe, though. Perhaps they're more flexible and > customer-friendly here than in the US?

RE: spamhaus drop list

2009-06-17 Thread Raymond Dijkxhoorn
Hi! Both containing prefixes that should not be announced on the internet, but often used by spammers trying to deliver their content. When did you experience this last time, this is not what we see on various antispam projects. So if you have new information, please share, we didnt see bog

RE: spamhaus drop list

2009-06-17 Thread Michiel Klaver
Well, there is always the bogon-list from Team Cymru http://www.cymru.com/Documents/bogon-bn-agg.txt And the bogon-list from BGPmon http://bgpmon.net/showbogons.php?inet=4&global=yes&private=yes Both containing prefixes that should not be announced on the internet, but often used by spammers tr