Re: Peering Contact at AS16509

2024-02-19 Thread Lincoln Dale
Even if you don’t meet the port speed requirements for a PNI, there is likely something that could work via an IX. On Tue, Feb 20, 2024 at 12:57 PM Tim Burke wrote: > We reached out some time ago using the contact on PeeringDB and had no > issue, but the amount of transit consumed to get to

Re: Anyone have contacts at the Amazon or OpenAI web spiders?

2024-02-13 Thread Lincoln Dale
On Wed, Feb 14, 2024 at 1:36 PM John Levine wrote: > If anyone has contacts at either I would appreciate it. https://developer.amazon.com/support/amazonbot probably returned as a result of searching "amazonbot" on your favourite search engine.

Re: Interesting Ali Express web server behavior...

2023-12-11 Thread Lincoln Dale
On Sun, Dec 10, 2023 at 7:09 PM Christopher Hawker wrote: > How big would a network need to get, in order to come close to > exhausing RFC1918 address space? There are a total of 17,891,328 IP > addresses between the 10/8 prefix, 172.16/12 space and 192.168/16 space. If > one was to allocate 10

Re: Alternative Re: ipv4/25s and above Re: 202211210951.AYC

2022-11-21 Thread Lincoln Dale
> > > As someone who has been involved in the deployment of network gear > > into class E space (extensively, for our own internal reasons, which > > doesn't preclude public use of class E), "largely supported" != > > "universally supported". > > > > There remains hardware devices that blackhole

Re: Alternative Re: ipv4/25s and above Re: 202211210951.AYC

2022-11-21 Thread Lincoln Dale
On Tue, Nov 22, 2022 at 11:20 AM Joe Maimon wrote: > Indeed that is exactly what has been happening since the initial > proposals regarding 240/4. To the extent that it is now largely > supported or available across a wide variety of gear, much of it not > even modern in any way. > As someone

Re: Longest prepend( 255 times) as path found

2022-08-26 Thread Lincoln Dale
> > If I was running an edge device with a limited FIB, perhaps I might drop > it to save memory. If I had beefier devices, perhaps I would just depref > it. > Note that if said prefix either existed elsewhere with fewer prepends that meant it 'won' bgp best-path selection, then it would not

Re: 400G forwarding - how does it work?

2022-07-25 Thread Lincoln Dale
On Mon, Jul 25, 2022 at 11:58 AM James Bensley wrote: > On Mon, 25 Jul 2022 at 15:34, Lawrence Wobker wrote: > > This is the parallelism part. I can take multiple instances of these > memory/logic pipelines, and run them in parallel to increase the throughput. > ... > > I work on/with a chip

Re: Amazon peering revisited

2022-02-03 Thread Lincoln Dale
On Thu, Jan 27, 2022 at 8:22 AM Kelly Littlepage via NANOG wrote: > Hi all, a nanog thread started on November 23, 2018 discussed the > challenges of getting Amazon peering sessions turned up. Has anyone had > luck since/does anyone have a contact they could refer me to — off-list or >

Re: Redeploying most of 127/8, 0/8, 240/4 and *.0 as unicast

2021-11-22 Thread Lincoln Dale
On Thu, Nov 18, 2021 at 1:21 PM John Gilmore wrote: > We have found no ASIC IP implementations that > hardwire in assumptions about specific IP address ranges. If you know > of any, please let us know, otherwise, let's let that strawman rest. > There's at least one. Marvell PresteriaCX (its

Re: BGP peering strategies for smaller routers

2016-05-02 Thread lincoln dale
> > You have to keep in mind there are two pools of memory on the router. There's actually three. 1. Prefix (path) via BGP: "show ip bgp ". BGP will select the 'best' BGP path (can be multiple if ECMP) and send that through to the RIB. 2. RIB. "show ip route ". routing table will show the

Re: Arista Routing Solutions

2016-04-27 Thread lincoln dale
On Wed, Apr 27, 2016 at 4:41 PM, Peter Kranz wrote: > Curious if you have any thoughts on the longevity of the 7500R and > 7280R survival's with IPv4 full tables? How full are you seeing the TCAM > getting today (I'm assuming they are doing some form of selective >

Re: Arista Routing Solutions

2016-04-24 Thread lincoln dale
> > > High Touch / Low Touch > > High touch means very general purpose NPU, with off-chip memory. Low > touch means usually ASIC or otherwise simplified pipeline and on-chip > memory. Granted Jericho can support off-chip memory too. > > L3 switches are canonical example of low touch. EZchip, Trio,

Re: New Switches with Broadcom StrataDNX

2016-04-18 Thread lincoln dale
Yes. We also have 1M+ FIB support day one too - hence the letter 'R' denoting the evolution with 3rd generation of its evolution to internet edge/router use cases. Not sure what other vendors are doing but I doubt others are yet shipping large table support. (there's more to it than just the

Re: 10G switchrecommendaton

2012-02-09 Thread lincoln dale
On Fri, Feb 10, 2012 at 7:24 AM, George Bonser gbon...@seven.com wrote: It's pretty good gear. The only problem I've had with it is the limitation of IGMP not working on mLAG VLANs. IGMP should work just fine with MLAG. IGMP state is sync'd between the MLAG pair. Happy to talk about this

Re: 10G switchrecommendaton

2012-02-09 Thread lincoln dale
:06.02 Serial number: JSH10130054 System MAC address: 001c.7308.752f ** ** Software image version: 4.6.4 Architecture: i386 Internal build version: 4.6.4-434606.EOS464 ** ** Sure, we can discuss it. ** ** ** ** ** ** *From:* lincoln

RE: NTP Md5 or AutoKey?

2008-11-04 Thread Lincoln Dale
There is an emerging need to distribute highly accurate time information over IP and over MPLS packet switched networks (PSNs). good of you to ask. it exists today. http://ieee1588.nist.gov/ cheers, lincoln.

RE: Best utilizing fat long pipes and large file transfer

2008-06-12 Thread Lincoln Dale
I'm looking for input on the best practices for sending large files over a long fat pipe between facilities (gigabit private circuit, ~20ms RTT). providing you have RFC1323 type extensions enabled on a semi-decent OS, a 4MB TCP window should be more than sufficient to fill a GbE pipe over

RE: too many variables

2007-08-09 Thread Lincoln Dale
I asked this question to a couple of folks: at the current churn rate/ration, at what size doe the FIB need to be before it will not converge? and got these answers: - jabber log - a fine question, has been asked many times, and afaik noone has