What's the meaning of virtual POP ?

2016-08-23 Thread Yucong Sun
Hi, I came across the idea of the virtual POP , but the website for them have way too much jargon to me[1][2][3], can someone explain it like i'm five (:-D)? Specifically, my question is : 1. Is virtual POP basically a L2VPN? That is, the provider will provide a port at site A,that is somehow

Re: What's the meaning of virtual POP ?

2016-08-23 Thread Yucong Sun
t; *From:* NANOG on behalf of William Herrin < > b...@herrin.us> > *Sent:* Wednesday, August 24, 2016 12:46 AM > *To:* Yucong Sun > *Cc:* NANOG > > *Subject:* Re: What's the meaning of virtual POP ? > On Tue, Aug 23, 2016 at 6:31 PM, Yucong Sun wrote: > > I came a

Re: External BGP Controller for L3 Switch BGP routing

2017-01-15 Thread Yucong Sun
In my setup, I use an BIRD instance to combine multiple internet full tables, i use some filter to generate some override route to send to my L3 switch to do routing. The L3 switch is configured with the default route to the main transit provider , if BIRD is down, the route would be unoptimized,

Re: Any Github Experts online ?

2017-02-22 Thread Yucong Sun
use GIT_CURL_VERBOSE=1 GIT_TRACE=1 git will print out full trace. you can also try other environment variables from https://git-scm.com/book/tr/v2/Git-Internals-Environment-Variables In my experiences, this is usually caused by MTU discovery issue. On Thu, Feb 23, 2017 at 7:40 AM, Bob Evans w

Re: Cellular enabled console server

2017-02-25 Thread Yucong Sun
opengear is just atom based linux,at least the one i used. On Sun, Feb 26, 2017 at 1:29 PM Ryan Gelobter wrote: > > +1 OpenGear all the time - just ensure you are patching/manageing > them(!) > > Why do you say that? I'd love some details before buying opengear. > > On Sat, Feb 25, 2017 at 6:38

Re: OpenNTPProject.org

2014-02-17 Thread Yucong Sun
Just for the reference, here is a more complete solution for Junos (took me a while searching the web to figure it out), hope it helps someone. policy-options { prefix-list lo0.0-inet-address { apply-path "interfaces lo0 unit 0 family inet address <*>"; } prefix-list ntp-server

LAX china unicom submarine cable cut?

2014-02-21 Thread Yucong Sun
Well, ain't that great day to finish the week. Some one today me a submarine cable is cut. Most of the networks in LAX that has peering with CU looks congested to hell now. Anyone else here seeing the same thing?

Re: [j-nsp] Viability of EX4300 in a primarily l3 environment?

2014-08-06 Thread Yucong Sun
e anyway > to be 'legitly' ran? > > Price difference might be a lot smaller depending on that. > > > On 8/6/2014 午後 08:30, Yucong Sun wrote: > >> I used ex4200 to do exactly what you did before. ex4200 releases is >> pretty >> rock solid, feature ex

Re: Mikrotik RouterBoard and Ubiquiti Networks Routing and Switching Solutions

2014-08-11 Thread Yucong Sun
EdgeRouter only support "hardware accelerated" routing with limited features. If you start playing with firewall filters, gre tunnels etc you would have to be careful about how they decrease your performance. I personally tried to use a edgerouter to replace my j2350 with 300mbps traffic. I first

Charging fee for BGP prefix per /24?!

2014-12-09 Thread Yucong Sun
Hi, My recent inquiry to some network provider reveals that they are charging fee for per /24 announced. Obvious that would means they get to charge a lot with little to none efforts on their side. In a world we are charging total bytes transferred instead of bps on uplinks, i can't say I'm surpr

Re: Charging fee for BGP prefix per /24?!

2014-12-10 Thread Yucong Sun
sKfGY/ZU7uVKdNT3OG6fon5kSv+1neXD2ekFoD5G > NV2DqzaXq4kjIi3gfgU0PpeMpHyNsyA7iEkEGBECAAkFAlRbtw0CGwwACgkQfah7 > t6nNuuMXqQCZAfBvDdJ/9S8qK6u/yVo6t9cxtpkAn3XJsfNKK4YwRgL68p6eK8uA > +VIJ > =kOqh > -END PGP PUBLIC KEY BLOCK- > > > > > -Original Message- > From: NANOG [mailto:nanog-bounces

Re: Charging fee for BGP prefix per /24?!

2014-12-10 Thread Yucong Sun
if that is the intent, they should charge per prefix. Not per /24 eqiv. On Wed, Dec 10, 2014, 00:20 Tore Anderson wrote: > * Yucong Sun > > > My recent inquiry to some network provider reveals that they are > > charging fee for per /24 announced. Obvious that would means they

Re: in-case anyone is interested, the pirate flag flies again.

2014-12-22 Thread Yucong Sun
CR one is fake, isn't it? On Mon, Dec 22, 2014 at 3:55 AM, Nicolás wrote: > You could try this one: > https://thepiratebay.cr/ > > El 22/12/14 00:28, Miles Fidelman escribió: >> Javier J wrote: >>> http://www.thepiratebay.se/ >> >> Doesn't seem to be reachable, though. >> >

Re: IPv6 Irony.

2015-10-13 Thread Yucong Sun
I don't understand the strategy here, how is that getting more traffic going-through IPv6 help its adoption by the mass? IMHO it only helps high-end, backbone type of network equipment producers sell more of their big box with advanced IPv6 license. It has absolutely no help with the long tail cr

Re: Project Fi and the Great Firewall

2015-11-14 Thread Yucong Sun
This is what roaming data means, Your data packet is simply trunked to your original operator to process. So you will be having a US ip on the web. On Sun, Nov 15, 2015 at 12:02 PM, Yury Shefer wrote: > My team mate was traveling to China with his Nexus 6 (with Project Fi > SIM-card) and was abl

Re: Looking for VPS providers with BGP session

2015-12-08 Thread Yucong Sun
I recommend http://www.quadranet.com/ ! I have been a happy customer for almost two years, I have a single dedicated server over there, running full BGP feed with them, It's a fairly extensive setup with multiple sessions, automatic null routing and all the communities tinkering! Their NOC is ver