Re: ICMP Redirects from residential customer subnets?

2012-05-09 Thread Phil
atch issue that is the likely culprit. Phil On May 9, 2012, at 1:10 PM, Ray Soucy wrote: > This is expected and will happen if the consumer router receives traffic > not destined for it for most consumer devices. > > In the Ethernet world, it's usually the result of an acti

Re: Rate shaping in Active E FTTx networks

2012-07-27 Thread Phil
the same way if they have true direct connections to the gear or be done on a CPE. As far as differentiating traffic within an Internet pipe that is a slippery legal slope. Others have mentioned the bigger players like Procera and Sandvine. Phil On Jul 26, 2012, at 3:45 PM, Jason Lixfeld

Re: Whats so difficult about ISSU

2012-11-08 Thread Phil
ooted after an upgrade. Phil On Nov 8, 2012, at 6:22 PM, Kasper Adel wrote: > Hello, > > We've been hearing about ISSU for so many years and i didnt hear that any > vendor was able to achieve it yet. > > What is the technical reason behind that? > > If i unders

Re: Whats so difficult about ISSU

2012-11-08 Thread Phil
anced things. Phil On Nov 8, 2012, at 8:22 PM, Oliver Garraux wrote: > I know some people here have mentioned good experiences with ISSU on > Nexus. I don't doubt that it usually works right, but in my latest > experience with upgrading NX-OS on dual-SUP'ed 7k's, it wa

BGP nexthop-self vs. EIGRP redistribution

2009-03-16 Thread phil
...which is better? We recently ran into what looks like an implementation flaw in our network design. After moving two GbE connections with Savvis (same edge device on both ends) into EBGP-multihop, we were encountering problems with iBGP churn. The network design is two buildings in the same A

Re: Google IP Geolocation

2021-04-22 Thread Phil Sykes
systemic .IL -> .IS hopefully we can clean them all up without needing to be told about each one. thanks, Phil Sykes (day job: Google Networking SRE) On Thu, Apr 22, 2021 at 10:06 AM Hank Nussbacher wrote: > On 22/04/2021 11:36, Hank Nussbacher wrote: > > The issues that others had ear

RE: Recommended DDoS mitigation appliance?

2020-02-04 Thread Phil Lavin
> So is Imperva similar to how Kentik operates? What was it priced liked? It is a nice model as you don't need additional hardware or virtual appliances on-prem, which cuts down on the CAPEX cost. Like everyone else, they price the scrubbing based on your clean traffic levels. Price I have is ci

RE: Recommended DDoS mitigation appliance?

2020-02-04 Thread Phil Lavin
> This sounds like a different model to me. Kentik I think averages out around > $500 per 10G per month I was talking about Imperva

RE: Telehouse North 2 Temperatures

2020-04-08 Thread Phil Lavin
> I am seeing increased temperatures in our cage in THN2 and I am curious if > anyone else has noticed this as well. If you have gear in THN2 could you let > me know if you have seen an increase in Temps over the past week or so? Now that you mention it, yes. This is suite 260: https://pasteboa

RE: LTE modem where I can control the MTU

2020-05-01 Thread Phil Lavin
> We have VZ wireless in the data center as a backup to our core > infrastructure. We have an issue where if packets have a large MTU they seem > to die. Does anyone know of a good 4G modem where I can set the MTU on the > cellular connection? I suspect it's a bit more complex than just changin

Re: YANG module designer tool

2020-05-04 Thread Phil Bedard
There is a good extension for VS Code called Yangster, it is uses a language server to do many of the functions so also requires Java. ANX as mentioned by the other reply is really good for exploring existing models and is very easy to get up and running via docker. Thanks, Phil On 5/4

RE: Contact at Ubiquiti Networks?

2020-05-26 Thread Phil Lavin
> Even the big guys like Juniper fail at basic functionality. Our brand new > MX204 fails to select the correct source address when doing ARP requests and > apparently that is a known will not fix. Apparently EX2300/EX3400 doesn't support STP when using Virtual Chassis and QFX51XX don't support

RE: Contact at Ubiquiti Networks?

2020-05-27 Thread Phil Lavin
> Where did you find this? Found out the hard way after buying and installing 20 of them. When a single node in a VC reboots, it starts switching traffic some seconds before it does STP so any loops that were previously blocked now flood - usually overloading the other 3400s on the network. Ap

Re: LDPv6 Census Check

2020-06-10 Thread Phil Bedard
In its simplest form without TE paths, there isn't much to SRv6. You use a v6 address as an endpoint and a portion of the address to specify a specific VPN service. You completely eliminate the label distribution protocol. Thanks, Phil On 6/10/20, 2:49 PM, "NANOG on behalf of

Re: [c-nsp] LDPv6 Census Check

2020-06-11 Thread Phil Bedard
ing built today with enough on-package memory to hold larger routing tables. Whether a packet has to be buffered on-chip vs. off-chip has a much larger impact on latency/PDV than a forwarding lookup. Thanks, Phil On 6/11/20, 5:07 AM, "NANOG on behalf of Nick Hilliard" wrote

Re: [c-nsp] LDPv6 Census Check

2020-06-11 Thread Phil Bedard
On 6/11/20, 1:19 PM, "Saku Ytti" wrote: On Thu, 11 Jun 2020 at 19:49, Phil Bedard wrote: > As for normal v6 forwarding, the way most higher speed routers made recently work there is little difference in latency since the encapsulation for the packet is done in a commo

Telehouse London Fire Evacuation Notice

2020-08-21 Thread Phil Lavin
Hi folks, Did anyone else just get an email notice from Telehouse re fire evacuation? Any idea if it’s legitimate or some sort of testing following the LD8 debacle? Phil

Re: Telehouse London Fire Evacuation Notice

2020-08-21 Thread Phil Lavin
TH ops are saying there’s a fire (or at least an alarm) in THN2. Will update as we find out more. > On 21 Aug 2020, at 21:24, Phil Lavin wrote: > > Hi folks, > > Did anyone else just get an email notice from Telehouse re fire evacuation? > Any idea if it’s legitima

Re: uPRF strict more

2021-09-29 Thread Phil Bedard
large providers who have it turned on for peering/transit interfaces either out of legacy configuration or other reasons. The vast majority do not use it for those interface roles. Phil From: NANOG on behalf of Adam Thompson Date: Wednesday, September 29, 2021 at 1:08 PM To: Amir Herzberg

Re: Routed optical networks

2023-05-04 Thread Phil Bedard
pluggable optics aren’t a good fit. Carrying high speed private line/wavelength type services as well is a different topic than interconnecting IP devices. Thanks, Phil From: NANOG on behalf of Etienne-Victor Depasquale via NANOG Date: Monday, May 1, 2023 at 2:30 PM To: NANOG Subject: Routed

Re: Routed optical networks

2023-05-08 Thread Phil Bedard
that’s not what you can get out of some external transponders, so those will still have their place in high performance applications. When you move to 800G, 1.2Tbps single channel they also have their own distance limitations. So it really depends on the application and the network. Phil

Re: Routed optical networks

2023-05-09 Thread Phil Bedard
From: Mark Tinka Date: Tuesday, May 9, 2023 at 2:03 AM To: Phil Bedard , nanog@nanog.org Subject: Re: Routed optical networks On 5/8/23 21:53, Phil Bedard wrote: There are quite a few QDD pluggables in production today capable of supporting 100G signals over 1000s of km or 400G near

Re: Deployments of Provider Backbone Bridging (PBB)

2023-08-25 Thread Phil Bedard
consider it a dead technology at this point.There is L2 PBB and flavors of PBB-VPLS and PBB-EVPN, PBB-VPLS was more widely deployed over MPLS than any other “PBB” technology. Thanks, Phil From: NANOG on behalf of Etienne-Victor Depasquale via NANOG Date: Friday, August 25, 2023 at 3:35 AM

RE: Incoming SSDP UDP 1900 filtering

2019-03-25 Thread Phil Lavin
On Mon, 25 Mar 2019, marcel.duregards--- via NANOG wrote: > As SSDP is used with PnP for local LAN service discovery, we are > thinking of: > > 1) educate our client (take a lot of time) > 2) filter incoming SSDP packets (UDP port 1900 at least) in our bgp > border Looking back at logs for VoIP

RE: SNMP via proxy

2019-04-10 Thread Phil Lavin
> Going forward I was thinking of setting up a few hosts whose job would be to > simply relay SNMP traffic. This way moving forward we could hard code several > IP's and bounce all traffic through one of these IP's. You can Source NAT your monitoring servers through a single IP/pool of IPs on a

RE: BGP prefix filter list

2019-05-15 Thread Phil Lavin
> We recently filtered out >=/24 prefixes since we're impacted by 768k day. What kind of network are you running? Doing such prefix filtering on an eyeball network strikes me as insane - you'd be cutting off customers from huge swathes of the Internet (including small companies like us) that don

RE: BGP prefix filter list

2019-05-15 Thread Phil Lavin
> We're an eyeball network. We accept default routes from our transit providers > so in theory there should be no impact on reachability. > I'm pretty concerned about things that I don't know due to inefficient > routing, e.g. customers hitting a public anycast DNS server in the wrong > locatio

RE: Colo in Africa

2019-07-16 Thread Phil Lavin
> just use the South Africa AWS region They don't have a Region there at present - only an Edge location. I believe one is in the works for launch next year.

Re: 44/8

2019-07-19 Thread Phil Karn
> And one of the principal people in the network telescope project was > KC, who > also weaseled herself onto the ARDC board without even holding an amateur > radio license.  Conflict of interest here, holy carp. You are not in possession of all the facts. KC (Kim Claffy) is KC6KCC. --Phil

Re: BGP router question

2019-08-08 Thread Phil Lavin
On 8 Aug 2019, at 22:40, Art Stephens mailto:asteph...@ptera.com>> wrote: Hope this is not too off topic but can any one advise if a Dell S4048-ON can support full ebgp routes? Datasheet (https://i.dell.com/sites/doccontent/shared-content/data-sheets/en/Documents/Dell-EMC-Networking-S4048-ON-S

RE: Mx204 alternative

2019-09-02 Thread Phil Lavin
> Does anyone use Juniper 0% finance? We're looking to upgrade from 4 x MX80s > and they are a big jump. Last I heard, it was $250k minimum order value so you'll struggle if you're only buying 4 units

RE: NetworkLayer

2019-09-23 Thread Phil Lavin
Before the mob descends, I'll take the liberty of pointing you at this: https://archive.nanog.org/meetings/nanog47/presentations/Sunday/RAS_Traceroute_N47_Sun.pdf If the loss does not extend past a given hop to the end of the trace, it's not loss - it's probably a transit router rate limiting yo

Spectrum (Charter) Fragmented UDP

2019-10-02 Thread Phil Lavin
At some point over night on 30th September (i.e. the night going into 1st October), we saw a number of Spectrum (Charter) customers stop handling fragmented UDP packets. This has manifested itself in such that the phones of affected customers are no longer receiving UDP SIP INVITE packets which

RE: Spectrum (Charter) Fragmented UDP

2019-10-02 Thread Phil Lavin
> While we can say this should just work, the reality is, it's not very > reliably true and I would not build product or business on the assumption > that it works well. Yup. Understood. We can't get away from sending multi-packet messages. We try our best to keep SIP messages as small as possi

RE: Spectrum (Charter) Fragmented UDP

2019-10-03 Thread Phil Lavin
> At some point over night on 30th September (i.e. the night going into 1st > October), we saw a number of Spectrum (Charter) customers stop handling > fragmented UDP packets To bring this thread to a close, Charter kindly investigated and fixed the issue. It was caused by a change to their net

"Using Cloud Resources to Dramatically Improve Internet Routing"

2019-10-07 Thread Phil Pishioneri
[Came up in some digest summary I receive] Using Cloud Resources to Dramatically Improve Internet Routing UMass Amherst researchers to use cloud-based ‘logically centralized control’ https://www.umass.edu/newsoffice/article/using-cloud-resources-dramatically-improve -Phil

RE: lots of traffic starting at 3 a.m. central time

2019-10-15 Thread Phil Lavin
> Anyone else see lots of traffic coming down starting at 3 a.m. central time ? > all of my internet connections showed strangely larger load for a few early > morning hours. Someone, on another list, mentioned a 70% increase in traffic to Akamai which seems to correlate with a new Fortnite re

RE: VDSL

2019-10-15 Thread Phil Lavin
> I discovered that the Budapest cable company was using VDLS to provide > services up to 500 megs into the buildings where my flats are located. VDSL > is a pretty old standard. I recollect people talking about it back in 1998. > Is it being heavily deployed in Last Mile networks state side?

Re: Software Defined Networks (SDN)

2019-12-06 Thread Phil Pishioneri
Jen missed another ACM article to which she contributed: - "A Purpose-built Global Network: Google's Move to SDN" (ACM Queue, December 11, 2015, Volume 13, issue 8)   A discussion with Amin Vahdat, David Clark, and Jennifer Rexford https://queue.acm.org/detail.cfm?id=2856460 -Phi

Colo

2019-12-17 Thread Phil Lavin
I'm looking for someone of a sales persuasion who sells small volume Colo in Equinix LA1-LA4, SV1, SV5, SV10 and/or SG2. Can anyone who does this please contact me off list? Thank you :)

Patch panel solutions for 4x10GE breakout

2016-05-05 Thread Phil Bedard
intermediate LC to LC panel and just wire the breakouts to those and then jumper the other side elsewhere. Anything else others have used? The point of the solution is to keep the wiring mess in front of or near the device to a minimum. Thanks, Phil

Re: Traffic engineering and peering for CDNs

2016-06-06 Thread Phil Rosenthal
nston > Network Planner > Westman Communications Group > 204.717.2829 > johnst...@westmancom.com<mailto:johnst...@westmancom.com> > P think green; don't print this email. > Best Regards, -Phil Rosenthal ISPrime

Re: NANOG67 - Tipping point of community and sponsor bashing?

2016-06-16 Thread Phil Rosenthal
ing questions. If you are an exchange company and you can defend your prices for what you offer, then there is no problem. If you are an exchange and are mostly just hoping nobody asks the questions because you won't have any good answers -- well, I think this is exactly why Dave asked t

Re: IP and Optical domains?

2016-06-22 Thread Phil Bedard
for optical vendors because they no longer have to even pretend they will interoperate via standard protocols like GMPLS. They expose REST APIs and people are willing to take it because it’s fairly easy to deal with. Phil -Original Message- From: NANOG on behalf of Glen Kent Date

Re: MTU

2016-07-22 Thread Phil Rosenthal
re to do testing to send pings with do-not-fragment at the maximum size configured, and without do-not-fragment just slightly larger than the maximum size configured, to make sure that there are no mismatches on configuration due to vendor differences. Best Regards, -Phil Rosenthal

Re: cloudflare hosting a ddos service?

2016-07-26 Thread Phil Rosenthal
Plus, it’s good for business! -Phil > On Jul 26, 2016, at 10:14 PM, jim deleskie wrote: > > sigh... > > On Tue, Jul 26, 2016 at 10:55 PM, Patrick W. Gilmore > wrote: > >> CloudFlare will claim they are not hosting the problem. They are just >> hosting the

Re: EVERYTHING about Booters (and CloudFlare)

2016-07-28 Thread Phil Rosenthal
which of the numerous "booter" services was responsible. -Phil > On Jul 28, 2016, at 12:12 PM, Naslund, Steve wrote: > > Miles is right. Their thinly veiled "stress tester" thing is not going to be > much of a defense. They must not have very good legal couns

Re: EVERYTHING about Booters (and CloudFlare)

2016-07-28 Thread Phil Rosenthal
damages. This was 10 years ago, and I can't imagine the threshold has gone down. -Phil > On Jul 28, 2016, at 12:51 PM, Naslund, Steve wrote: > > It is not beyond the realm of law enforcement to run down the entire chain of > events all the way back to the “whodunit” and “

Re: Host.us DDOS attack -and- related conversations

2016-08-04 Thread Phil Gardner
happening for more than 15 years. >>>> >>>> - >>>> Alain Hebertaheb...@pubnix.net >>>> PubNIX Inc. >>>> 50 boul. St-Charles >>>> P.O. Box 26770 Beaconsfield, Quebec H9W 6G7 >>>

Re: BGP Route Reflector - Route Server, Router, etc

2017-01-13 Thread Phil Bedard
for the AFI/SAFIs you are interested in. Phil -Original Message- From: NANOG on behalf of James Bensley Date: Friday, January 13, 2017 at 06:04 To: "NANOG ‎[nanog@nanog.org]‎" Subject: Re: BGP Route Reflector - Route Server, Router, etc On 13 January 2017 at 0

Re: External BGP Controller for L3 Switch BGP routing

2017-01-17 Thread Phil Bedard
now where it used to be 256K.It works with the standard Internet table, but may not work if you have a ton of routes with lengths that do not work well with how the memory is carved up. Of course Jericho is more expensive than Trident. Phil -Original Message- From: NANOG on

Re: BGP Route Reflector - Route Server, Router, etc

2017-01-17 Thread Phil Bedard
Cisco and Juniper both have working ORR implementations, although config on the Juniper one is a bit clunky right now. One interesting thing is they also allow feeding topology data via BGP-LS, so BGP is the only protocol you need to run to/from it. Phil -Original Message- From

Re: American Airlines down

2017-02-08 Thread Phil Rosenthal
http://www.flyertalk.com/forum/american-airlines-aadvantage/1820617-aa-com-technical-outage-8feb17.html > On Feb 8, 2017, at 10:11 PM, Michael Voity wrote: > > Hello > > Stuck at DCA afte

Re: Juniper BGP Convergence Time

2018-05-21 Thread Phil Lavin
Ask if they will configure BFD for you. I’ve not found many transit providers that will, but it’s worth a shot and it will lower failure detection to circa 1 second. > On 16 May 2018, at 17:49, Adam Kajtar wrote: > > I could use static routes but I noticed since I moved to full routes I have

RE: BGP Hijack/Sickness with AS4637

2018-06-05 Thread Phil Lavin
What is the relationship of 103.97.52.2 (Colocation Australia - Japan) to you? Is this, for example, a peering over an IX? If so, did you learn the route from route servers or do you peer directly with them? Phil -Original Message- From: NANOG On Behalf Of Alain Hebert Sent: 31 May

Re: 3rd party QSFP-100G-LR4-S for Cisco

2018-06-06 Thread Phil Lavin
I concur. Never bought Cisco 100G from them but the quality of the Juniper optics and other ancillary fibre stuff is great. > On 5 Jun 2018, at 20:58, Mitcheltree, Harold B wrote: > > FS.COM > > > --Pete > > > From: NANOG on behalf of Ryugo Kikuchi > > Se

RE: Tunable QSFP Optics

2018-06-19 Thread Phil Lavin
> Does anyone know if any Single Mode QSFPs exist on the market that use > wavelengths other than 1310nm (either self tunable or factory tuned)? > I am looking to put more than one 40gb link on a fiber pair similar to using > DWDM OADMs for 1g & 10g but can't seem to find any qsfp optics that don

Re: Comcast

2018-06-29 Thread Phil Lavin
There’s a fairly wide reaching outage in the US. I imagine Comcast are already aware. > On 29 Jun 2018, at 18:56, Daniel Corbe wrote: > > Can someone from Comcast contact me off list? > > Your customers can’t reach my network right now. >

RE: AS3266: BitCanal hijack factory, courtesy of many connectivity providers

2018-07-09 Thread Phil Lavin
> The only routes i can see now for 3266/197426 is two /24 v4 and one /29 v6 > that jumps on over to portugal through 1299 > (telia) -> 174 (cogent) -> 29003 (refertelecom / iptelecom). 6939 (HE) are still advertising the routes to their customers. That suggests that 197426 is still active on at

RE: AS3266: BitCanal hijack factory, courtesy of many connectivity providers

2018-07-09 Thread Phil Lavin
> Adjustments have been made and we are no longer accepting these. Indeed - I no longer see these routes from you. Thanks :)

RE: AS205869, AS57166: Featured Hijacker of the Month, July, 2018

2018-07-24 Thread Phil Lavin
> Dead for me via: > HE > NTT > COX Likewise here, via a bunch of other transits. I saw them from HE this morning but they appear to have been withdrawn now.

RE: AS205869, AS57166: Featured Hijacker of the Month, July, 2018

2018-07-25 Thread Phil Lavin
> But this is a rather entirely different case. In this case, it seems that > one very notable peering that -did- in fact exist, between AS205869 and > AS6939, was not reported at all on the bgp.he.net page linked to above. HE usually learn these hijacked routes from IX peering and route server

RE: Massive Price Increase for X-conns at Telehouse Chelsea, NYC

2018-09-17 Thread Phil Lavin
> $350/mo seems to be standard. Our DCs are at $250.Seems more like they > held onto out of date pricing for a long time then realized it. For what it's worth, Telehouse London is around 30 USD/month for an x-connect within the same building. Our US datacentre (not Telehouse) on the other ha

RE: Reaching out to ARIN members about their RPKI INVALID prefixes

2018-09-19 Thread Phil Lavin
> What about an one-off outreach effort? Makes sense to me. As someone who (at least pretends to) care, I was very much unaware of RPKI before seeing discussion about it on NANOG and #ix. That said, having recently done this with ARIN... they've got a long way to go before it's a simple process

RE: overages for power usage

2018-09-21 Thread Phil Lavin
> What kind of typical overage costs have you seen when a customer/you use more > than you've committed to? Telehouse London is 0.75 (GBP) per KWH of overage. Obviously it will depend on datacentre/country. Telehouse increase this annually at 2% above inflation measured against the RPI (last in

RE: Service Provider NetFlow Collectors

2019-01-02 Thread Phil Lavin
> Doesn't Kentik cost like $2000 a month minimum? We recently got a quote from Kentik and I fell off my chair. The annual cost was slightly more than the total upfront purchase cost of the hardware they were collecting Flow from and was significantly more than the total cost each year of runnin

RE: DNS Hijacking? - FiOS Northeast

2019-01-09 Thread Phil Lavin
> We are seeing DNS requests for A and to 8.8.8.8 come back with erroneous > replies resolving to 146.112.61.106 when sent via FiOS circuits in the > northeast. Anyone else seeing issues with DNS on FiOS in Northeast? Issue > started around 12:25 AM ET this morning and seems to be affecting

RE: MX204 applications, (was about BGP RR design)

2019-02-15 Thread Phil Lavin
> Anyone know why MX204 has so few ports? It seems like it only has WAN side > used, leaving FAB side entirely unused, throwing away 50% of free capacity. The usable port configs are also quite tricky. Juniper have had to make a tool to validate the configurations (https://apps.juniper.net/home/

RE: MX204 applications, (was about BGP RR design)

2019-02-15 Thread Phil Lavin
> They are normal 1st gen trio boxes, same as MPC1, MPC2, MPC3 originals were. > You may be confused about the fact that their control plane is freescale, > instead of intel. Sorry, yes - you're right. Re-convergence times are, however, still awful. Though if you're not handling a lot of routes

AS701/Verizon

2019-03-12 Thread Phil Lavin
We're seeing consistent +100ms latency increases to Verizon customers in Pennsylvania, during peak business hours for the past couple of weeks. If someone is able to assist, could they please contact me off-list?

RE: AS701/Verizon

2019-03-12 Thread Phil Lavin
PA look fine. phil@debian:~$ mtr -zwc1 108.16.123.123 Start: Tue Mar 12 00:19:43 2019 HOST: debianLoss% Snt Last Avg Best Wrst StDev 1. AS32334 192.30.36.123 0.0% 12.7 2.7 2.7 2.7

RE: AS701/Verizon

2019-03-14 Thread Phil Lavin
> We're seeing consistent +100ms latency increases to Verizon customers in > Pennsylvania, during peak business hours for the past couple of weeks. Verizon reached out shortly after my e-mail to say they had resolved the issue - latency has been within normal bounds since. Many thanks :)

Re: Anyone using Arista 7280R as edge router?

2017-04-14 Thread Phil Bedard
of the table is made up of /24 prefixes, and where it doesn’t optimization techniques can be done to make them /24s. Thanks, Phil -Original Message- From: NANOG on behalf of Tyler Conrad Date: Friday, April 14, 2017 at 13:25 To: David Hubbard Cc: "nanog@nanog.org" S

Re: Hurricane Maria: Summary of communication status - and lack of

2017-09-30 Thread Phil Rosenthal
largest ISP in Puerto Rico. By comparison, Claro’s traffic certainly has dropped by a large degree, but it always stayed at least slightly above zero, and is roughly at 10% of normal traffic levels today. -Phil

Re: Companies using public IP space owned by others for internal routing

2017-12-18 Thread Phil Bedard
. For the most part I think they try to re-use space and use the transition space when they can, but some deployed squat space before that came about or it’s simply not enough. Phil On 12/18/17, 3:36 PM, "NANOG on behalf of Mark Andrews" wrote: Companies like COMCAST did. T

Re: How to have open more than 65k concurrent connections?

2010-10-14 Thread Phil Regnauld
Jorge Amodio (jmamodio) writes: > you have only 16-bits for port numbers. 65k port numbers != number of connections. The number of open connections (if we're talking TCP) is limited by the number of max file descriptors in the kernel (fs.file_max). See also: http://www.

Re: Failover IPv6 with multiple PA prefixes (Was: IPv6 fc00::/7 — Unique local addresses)

2010-10-21 Thread Phil Regnauld
Jeroen Massar (jeroen) writes: > > Now the problem with such a setup is the many locations where you > actually are hardcoding the IP addresses/prefixes into: firewalls, DNS > etc. That is the hard part to solve, especially when these services are > managed by other parties. And probably

Re: flow analysis for juniper devices

2010-11-14 Thread Phil Regnauld
ws and then run something like NFsen or Netflow Dashboard. On that, Geo::IP will provide country/region info (for example): http://search.cpan.org/~borisz/Geo-IP-1.38/lib/Geo/IP.pm Cheers, Phil

Re: Level 3 Communications Issues Statement Concerning Comcast's Actions

2010-11-29 Thread Phil Bedard
scheme of things. Obviously someone has to pay for the access infrastructure and Comcast would much rather get the content provider to pay for it versus passing it along to their customers. I think they probably just took a stab and L3 complied. Phil On 11/29/10 5:28 PM, "Patrick W.

Re: Some truth about Comcast - WikiLeaks style

2010-12-19 Thread Phil Bedard
ments somewhat going by the wayside for statewide franchising, I'm not sure how the fees are charged. Phil On 12/19/10 5:16 PM, "William Allen Simpson" wrote: >On 12/17/10 12:08 PM, Dave Temkin wrote: >> George Bonser wrote: >>> The municipality charges the cable comp

Re: vmware recover a 4.0 boot with a 4.1 cd

2011-01-05 Thread Phil Regnauld
Randy Bush (randy) writes: > borked vmware boot, reset says no opsys found. it's a 4.0 system. > > can i do recovery (saving vmfs) using 4.1 cd, or must i use 4.0? Yes, it will work for accessing the vmfs, at the very least. Phil

Re: NIST IPv6 document

2011-01-05 Thread Phil Regnauld
e, but on the entire > router. This is much worse than the v4/ARP sitation. Inverse assumption here. Doesn't change much to the case scenario you've put forward as a cause to the problem, but still wanted to point it out. Cheers, Phil

Re: NIST IPv6 document

2011-01-05 Thread Phil Regnauld
give or take a couple of weeks: http://www.mail-archive.com/nanog@nanog.org/msg18841.html Cheers, Phil

Re: NIST IPv6 document

2011-01-06 Thread Phil Regnauld
Owen DeLong (owen) writes: > > But, Jeff, if the router has a bunch of /24s attached to it and you scan > them all, the problem is much larger than 250 arp entries. > > I think that's what Phil was getting at. And so did Joel. If you've got a crapload o

Re: Network Simulators

2011-01-17 Thread Phil Regnauld
mulate some IOS. Finally something like Quagga/BIRD for the routing protocol part. Cheers, Phil

Re: adaptec 5405 wedged

2011-01-18 Thread Phil Regnauld
On 19/01/2011, at 00.23, Randy Bush wrote: > any adaptec bios-level fu out there? if so, please see > http://archive.psg.com/110119.adaptec.pdf > Hi Randy, Did you see this bit about transfer speed issues? http://ask.adaptec.com/scripts/adaptec_tic.cfg/php.exe/enduser/std_adp.php?p_faqid=

Re: Using IPv6 with prefixes shorter than a /64 on a LAN

2011-01-24 Thread Phil Regnauld
bmann...@vacation.karoshi.com (bmanning) writes: > as a test case, i built a small home network out of /120. works just fine. > my home network has been native IPv6 for about 5 years now, using a /96 and > IVI. > > some thoughts. disable RD/RA/ND. > none of the DHCPv6 code works

Re: EPC backhaul networks

2011-01-30 Thread Phil Bedard
ers who provide backhaul services for wireless providers do so over a L2 or PW over MPLS network. Some of the smaller ALU, etc. cell site routers have started to support L3VPN so maybe L3VPN will be a service offering in the future with all-IP EPCs. Phil On 1/30/11 12:02 PM, "Glen Kent"

Re: EPC backhaul networks

2011-01-30 Thread Phil Bedard
m but most do not want us having anything to do with their L3 network so we provide VPLS and P2P services. I'm always wary when I see a wireless provider wanting to build a 500 site VPLS to carry traffic and we try to discourage them as much as possible, but it happens... Phil On 1/30/

Re: Updated ARIN allocation information

2014-01-30 Thread Phil Rosenthal
cation sizes) then why not use the IETF marked 100.64/10 space > instead? Global-uniqueness? ok, sure... Seems like the obvious use case is for 6to4 NAT gateways, which would mean that global reachability would be expected. -Phil

Re: Is there such a thing as a 10GBase-T SFP+ transciever

2014-02-01 Thread Phil Bedard
to follow suit shortly. As for 10GBase-T in a transceiver, I haven't seen that on anyone's roadmap. It will probably come eventually but not for awhile. -Phil On 1/31/14, 7:39 AM, "Eric Clark" wrote: >What I want to see is reasonably priced 40G single mode transceiv

Re: Is there such a thing as a 10GBase-T SFP+ transciever

2014-02-01 Thread Phil Bedard
Pluggable SFP+ transceiver. There are plenty of fixed config 10GBase-T devices out there. Power/space in a SFP+ package just isn't there yet. Phil On 2/1/14, 4:18 PM, "Jared Mauch" wrote: > >On Feb 1, 2014, at 4:05 PM, Phil Bedard wrote: > >> As for

NANOG Attendees: Flight cancellations on Wednesday

2014-02-10 Thread Phil Rosenthal
your respective airlines, and reschedule flights and extend your hotel stay here, before everything is sold out. In my particular case, the flights for thursday to my home town were already almost entirely sold out. Regards, -Phil

VMware Training

2014-02-19 Thread Phil Gardner
y, no blockbased stores). I'd like to get experience deploying VCenter clusters, down to DRS/HA config, other block based storage, and anything else a large environment needs. Thoughts or experiences? -- _ Phil Gardner PGP Key ID 0xFECC890C OTR Fingerprint 6707E9B8 BD6062D3 5010FE8B 36D614E3 D2F80538

Re: Filter NTP traffic by packet size?

2014-02-20 Thread Phil Bedard
packet sizes for UDP/123 at the edge and it has definitely helped thwart some of the NTP attacks. I hate to do blanket ACLs blocking traffic but multi-Gbps of attack traffic (not counting the reflected traffic) is hard to ignore and it's worth the risk of blocking a minute amount of legitimate traffic. Phil

Re: VMware Training

2014-02-21 Thread Phil Gardner
On 02/19/2014 01:14 PM, Phil Gardner wrote: Not sure if this list is the best place, but it is probably the only list that I'm on that won't give me a bunch of grief about the chosen technology. I looked at VMware's site, and there are a ton of options. I'm wondering if a

RE: Filter NTP traffic by packet size?

2014-02-23 Thread Phil Bedard
On Sun, 23 Feb 2014, Chris Laffin wrote: > Ive talked to some major peering exchanges and they refuse to take any > action. Possibly if the requests come from many peering participants it will > be taken more seriously? If only there was more focus on the BCP38 offenders who are the real root c

Re: Pluggable Coherent DWDM 10Gig

2014-04-25 Thread Phil Bedard
gray optics, but the system is managed as a single logical entity, with a 1:1 correlation between router port and transponder. You "tune" the wavelength on the router because of the 1:1 correlation. Terastream just uses passive DWDM muxes/demuxes, also part of the same Cisco transport solution

Re: Pluggable Coherent DWDM 10Gig

2014-04-26 Thread Phil Bedard
00G, etc. It's important they be pointed in the "standards" direction for those things otherwise we will be left with lots of non-interoperable implementations like we have always had. -Phil On 4/26/14, 7:17 AM, "Tim Durack" wrote: >Will need amplificati

Re: The FCC is planning new net neutrality rules. And they could enshrine pay-for-play. - The Washington Post

2014-04-27 Thread Phil Bedard
d Prime might not. Right now everyone's traffic gets dropped equally. :) (Well more Netflix because there is a lot more of it). -Phil (all opinions are my personal opinions) On 4/27/14, 1:44 PM, "Barry Shein" wrote: > >What are any of you talking about? Have you even bothe

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