Re: any dangers of filtering every /24 on full internet table to preserve FIB space ?

> On Oct 10, 2022, at 6:37 PM, Matthew Petach wrote: > > > > On Mon, Oct 10, 2022 at 8:44 AM Mark Tinka wrote: > On 10/10/22 16:58, Edvinas Kairys wrote: > > > Hello, > > > > We're considering to buy some Cisco boxes - NCS-55A1-24H. That box has > > 24x100G, but only 2.2mln route (FIB)

Re: New minimum speed for US broadband connections

> On Feb 16, 2022, at 4:46 PM, Michael Thomas wrote: > > > On 2/16/22 1:36 PM, Josh Luthman wrote: >> What is the embarrassment? > That in the tech center of the world that we're so embarrassingly behind the > times with broadband. I'm going to get fiber in the rural Sierra Nevada > before

Re: Partial vs Full tables

> On Jun 5, 2020, at 2:11 PM, Ryan Rawdon wrote: > > >> On Jun 4, 2020, at 11:00 PM, James Breeden wrote: >> >> I have been doing a lot of research recently on operating networks with >> partial tables and a default to the rest of the world. Seems

Re: Partial vs Full tables

> On Jun 4, 2020, at 11:00 PM, James Breeden wrote: > > I have been doing a lot of research recently on operating networks with > partial tables and a default to the rest of the world. Seems like an easy > enough approach for regional networks where you have maybe only 1 upstream > transit

Re: IPv6 Cogent vs Hurricane Electric

> On Dec 1, 2015, at 1:23 PM, Max Tulyev wrote: > > Hi All, > > we got an issue today that announces from Cogent don't reach Hurricane > Electric. HE support said that's a feature, not a bug. > > So we have splitted Internet again? > > I have to change at least one of my

Re: IPv6 at 50% for VZW (Re: NAT IP and Google)

On May 22, 2014, at 9:18 PM, Matthew Petach mpet...@netflight.com wrote: On Thu, May 22, 2014 at 8:49 AM, Lee Howard l...@asgard.org wrote: On 5/22/14 8:04 AM, Livingood, Jason jason_living...@cable.comcast.com wrote: [snip] In his really useful listing of content providers' IPv6

Re: Equipment Shuffing Cart Recommendations

On Jan 21, 2013, at 1:27 PM, Michael Vallaly wrote: Anyone have any good recommendations for an equipment cart to shuffle IT/Telco equipment around between an office/colo ? Id like something able to carry ~6 1U Dell servers at once, and maybe make it over an elevator gap without a

Re: Anyone w/ clue @netsol?

On Oct 15, 2012, at 1:08 PM, chris wrote: I am having a issue delivering mail to a specific domain hosted @netsol for a significant amount of time now (several days) only and getting a vague error from the remote side: Note that mail delivery issues to NetSol have been discussed over the

Re: Verizon's New Repair Method: Plastic Garbage Bags

On Aug 20, 2012, at 2:09 PM, Eric Wieling wrote: For a while we have had a customer with some lines which go down every time it rains. We put in the trouble ticket, a couple of days later Verizon says the issue is resolved...until the next time it rains. The customer sent us some

Re: Native IPv6 providers/datacenters list?

On Oct 9, 2012, at 9:34 AM, Christopher J. Pilkington wrote: I want to make an informed response to a comment made by our CenturyLink rep regarding IPv6, in the context of SAVVIS not being able to provide IPv6 at their DC3 facility: There is only a handful of carriers that can provide that

Re: Verizon IPv6 LTE

On Sep 27, 2012, at 11:00 AM, chris wrote: I tested today just for giggles, test-ipv6.com shows I have working ipv4 and ipv6 10/10 on both tests. Interestingly enough I was only seeing 3G on the device at the time. So I guess its not just on LTE or is it LTE devices ? I'm running galaxy

Re: time-b.netgear.com/time-c.netgear.com dns queries

On Sep 7, 2012, at 7:44 PM, Basil Baby wrote: Hmm... Even though similar issue was identified in 2003, looks like still there are devices in market with those old firmwares or similar behavior. sheesh !! :( -Basil While NETGEAR does have a history of issues like this, the UofW issue is

Re: Is Hotmail in the habit of ignoring MX records?

On Jul 26, 2012, at 2:14 AM, Lou Katz wrote: One of my users has reported incoming mail failures, which I finally tracked down. It turned out that Hotmail has seen fit to send the mail to his domain's A record machine, despite the fact that he has valid MX records. The A record points to

Re: Is Hotmail in the habit of ignoring MX records?

On Jul 26, 2012, at 2:21 AM, Suresh Ramasubramanian wrote: If the MX records are not responsive / timing out, they might be falling back to the A record. Per RFC2821 (and later RFC5321): If one or more MX RRs are found for a given name, SMTP systems MUST NOT utilize any address RRs

Re: No DNS poisoning at Google (in case of trouble, blame the DNS)

On Jun 27, 2012, at 9:26 AM, Jason Hellenthal wrote: What would be nice is the to see the contents of the htaccess file (obviously with sensitive information excluded) I cleaned up compromises similar to this in a customer site fairly recently. In our case it was the same exact behavior

Re: No DNS poisoning at Google (in case of trouble, blame the DNS)

On Jun 27, 2012, at 10:10 AM, Ryan Rawdon wrote: On Jun 27, 2012, at 9:26 AM, Jason Hellenthal wrote: What would be nice is the to see the contents of the htaccess file (obviously with sensitive information excluded) I cleaned up compromises similar to this in a customer site

report botnet CC?

Assuming it is not a futile/wasted effort, where is the current best place/resource to report an active botnet CC to?

Re: IPv6 dual stacking and route tables

On Feb 3, 2012, at 3:10 PM, -Hammer- wrote: So, we are preparing to add IPv6 to our multi-homed (separate routers and carriers with IBGP) multi-site business. Starting off with a lab of course. Circuits and hardware are a few months away. I'm doing the initial designs and having some

Re: IPv6 dual stacking and route tables

On Feb 3, 2012, at 3:25 PM, Philip Dorr wrote: You should accept the full v6 table, because some IPs may not, currently, be reachable via one of the carriers. Definitely agreed here, and this is why we take full v6 tables. Especially since one of our upstreams does not peer with at least

Re: mysql.org down?

On Jan 25, 2012, at 6:51 PM, Ingo Flaschberger wrote: Hi, from my location / austria, mysql.org seems to be down: traceroute to 213.136.52.82 (213.136.52.82), 30 hops max, 40 byte packets 7 at-vie-xion-pe01-vl-2061.upc.at (84.116.229.21) 39.009 ms 38.957 ms 39.001 ms 8

Re: IPv6 resolvers

On Jan 4, 2012, at 3:46 PM, Mark Kamichoff wrote: On Wed, Jan 04, 2012 at 09:39:39PM +0100, Seth Mos wrote: And a similar mistake I see others respond too as well, this is another domain with just a IPv4 record. That was not really what I was complaining about but I was not specific enough

Re: recommendations for external montioring services?

On Dec 12, 2011, at 2:10 PM, Eric J Esslinger wrote: I'm not looking to monitor a massive infrastructure: 3 web sites, 2 mail servers (pop,imap,submission port, https webmail), 4 dns servers (including lookups to ensure they're not listening but not talking), and one inbound mx. A few

Re: Recent DNS attacks from China?

On Nov 30, 2011, at 3:12 PM, Drew Weaver wrote: -Original Message- From: rob.vercoute...@kpn.com [mailto:rob.vercoute...@kpn.com] Sent: Wednesday, November 30, 2011 3:05 PM To: matlo...@exempla.org; richard.bar...@gmail.com; andrew.wall...@rocketmail.com Cc: nanog@nanog.org;

Re: XO blocking individual IP's

On Nov 7, 2011, at 10:06 PM, clay...@haydel.org wrote: transit provider. Is XO the end-access provider for either you or the destination site? Or are both of those on some other connection, and XO is a bystander along the way? We're a direct customer. The IP's that I've seen them

Re: Did Internap lose all clue?

On Oct 20, 2011, at 4:48 PM, bas wrote: Recently I was contacted by an Internap sales person. The third line of the email read: As you know well, BGP makes all routing decisions simply based on HOP COUNT I blinked my eyes a couple of times.. Yes it really said hop count. Then I replied

Re: Verizon / FiOS network

On Sep 22, 2011, at 9:32 PM, Ryan Pugatch wrote: On Thu, Sep 22, 2011 at 8:55 PM, Ryan Pugatch r...@linux.com wrote: Hi, Anyone noticing anything weird with the Verizon / FiOS network? Seems like many people on their network are having trouble getting to us (on Sidera / RCN) but not

Request for Mozilla network admin contact

We (AS22578) are unable to reach anything in 2620:0101:8001::/48 from 2620:4b::/48 (ICMP, 80/tcp, 443/tcp etc) and previous attempts to contact Mozilla via more normal channels about this have not resulted in a resolution. ryan@ashburn-netops:~$ mtr --report www.mozilla.com HOST: ashburn-netops

IPv6 Availability on XO

I've heard some mixed reports of XO's IPv6 availability - some that they have full deployment/availability, but others like the answer back from our XO reseller that XO does not offer IPv6 on circuits under 45mbit/s. What is the experience of NANOG on this matter, particularly with XO

Re: IPv6 SEO implecations?

On Mar 28, 2011, at 9:50 PM, Leo Bicknell wrote: In a message written on Mon, Mar 28, 2011 at 03:18:30PM -0700, Wil Schultz wrote: I'm attempting to find out information on the SEO implications of testing ipv6 out. I don't run a web site where SEO is a top priority, so I don't track

Re: Traffic to 5/8 and 37/8 - stats on RIPE Labs

Doesn't the LogMeIn Hamachi VPN service use 5.0.0.0/8? Perhaps the spikes to 5.5.5.0/24 or the space in general are from fluctuations or waves of disconnects of Hamachi users, so when they are disconnected their Hamachi traffic heads out in to the DFZ? This service is particularly popular

BCP38 considerations in IPv6

Hello NANOGers - What considerations should be made with respect to implementing egress filtering based on source IPv6 addresses? Things like allowing traffic sourced from fe80::/10 in said filters for on-link communication (for the interface that the filter is applied to). Is there anything

Re: Wireless IPv6

I believe Verizon's specs for 4G devices required v6 support from the start: http://www.personal.psu.edu/dvm105/blogs/ipv6/2009/06/verizon-mandates-ipv6-support.html I seem to recall IPv6 support being a requirement for smartphones on their 3G network as well, but I can't find a reference for

Re: FUD: 15% of world's internet traffic hijacked

On Wed, 17 Nov 2010 11:45:14 -0500, Bob Poortinga bobp+na...@webster.tsc.com wrote: This is starting to be picked up by mainstream media, but was was first reported here (I believe): http://www.nationaldefensemagazine.org/blog/Lists/Posts/Post.aspx?ID=249 Cyber Experts Have Proof That