On Sat, 20 Jan 2018, Mark Andrews wrote:
Which doesn’t work with IPv6 as UDP doesn’t have the field to clamp.
Well, not with UDP/IPv4 either. Actually, the only protocol I know out
there that has this kind of clamping (and is in wide use for clamping), is
TCP.
Thus, my earlier comment abou
Which doesn’t work with IPv6 as UDP doesn’t have the field to clamp.
--
Mark Andrews
> On 20 Jan 2018, at 03:35, Radu-Adrian Feurdean
> wrote:
>
>> On Fri, Jan 19, 2018, at 01:14, Jared Mauch wrote:
>> If you’re then doing DSL + PPPoE and your customers really see a MTU
>> of 1492 or less, t
On Fri, Jan 19, 2018 at 8:50 PM Josh Reynolds wrote:
> Not hard to do in the US where most access networks still aren't
> supporting IPv6.
>
I hear ya, some places are behind.
Check this out, close to 80% of mobile subs are on ipv6 across the 4 major
carriers
http://www.worldipv6launch.org/new
Not hard to do in the US where most access networks still aren't
supporting IPv6.
On Fri, Jan 19, 2018 at 9:54 PM, Ca By wrote:
> On Fri, Jan 19, 2018 at 5:48 PM Michael Crapse wrote:
>
>> Has Hulu, or a thousand other content distributors considered IPv6? Because
>> you can't even tunnel to ipv
On Fri, Jan 19, 2018 at 5:48 PM Michael Crapse wrote:
> Has Hulu, or a thousand other content distributors considered IPv6? Because
> you can't even tunnel to ipv4 without setting off VPN alarms with HULU.
>
Hulu? Really scraping the bottom of the barrel of content providers that
dont use ipv6 t
On Fri, Jan 19, 2018 at 9:08 PM, John Levine wrote:
> In article mail.gmail.com> you write:
> >We're on the hunt yet again for an additional /22 to lease, and are
> >wondering what the best options are out there?
>
> It's been a long time since I've seen IP space for lease that wasn't
> either a
In article
you
write:
>We're on the hunt yet again for an additional /22 to lease, and are
>wondering what the best options are out there?
It's been a long time since I've seen IP space for lease that wasn't
either a scam or totally poisoned.
If it were actually usable, it'd be for sale, not f
Has Hulu, or a thousand other content distributors considered IPv6? Because
you can't even tunnel to ipv4 without setting off VPN alarms with HULU.
On 19 January 2018 at 18:38, Andrew Kirch wrote:
> On Fri, Jan 19, 2018 at 4:59 PM Ryan Gard wrote:
>
> > We're on the hunt yet again for an addi
On Fri, Jan 19, 2018 at 4:59 PM Ryan Gard wrote:
> We're on the hunt yet again for an additional /22 to lease, and are
> wondering what the best options are out there?
>
> Our usual suspects that we've reached out to in the past seem to be plum
> out... Any recommendations?
>
> Thanks!
>
> --
> R
No, nanog.org is a trade association.
-mel via cell
> On Jan 19, 2018, at 2:34 PM, Michael Crapse wrote:
>
> We got ours from logicweb, but all the IPs originated from AfriNIC and were
> blacklisted in several different places.
>
>> On 19 January 2018 at 14:57, Ryan Gard wrote:
>>
>> We're
We got ours from logicweb, but all the IPs originated from AfriNIC and were
blacklisted in several different places.
On 19 January 2018 at 14:57, Ryan Gard wrote:
> We're on the hunt yet again for an additional /22 to lease, and are
> wondering what the best options are out there?
>
> Our usual
On 1/19/18 9:09 AM, Youssef Bengelloun-Zahr wrote:
> I'm trying to understand exactly what we might be dealing with here.
Evil.
--
Bryan Fields
727-409-1194 - Voice
http://bryanfields.net
We're on the hunt yet again for an additional /22 to lease, and are
wondering what the best options are out there?
Our usual suspects that we've reached out to in the past seem to be plum
out... Any recommendations?
Thanks!
--
Ryan Gard
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
The posting is sent to APOPS, NANOG, AfNOG, SANOG, PacNOG, SAFNOG, CaribNOG
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG, IRNOG and the RIPE Routing WG.
Daily listings are sen
On Fri, Jan 19, 2018, at 01:14, Jared Mauch wrote:
> If you’re then doing DSL + PPPoE and your customers really see a MTU
> of 1492 or less, then another device has to fragment 5x again.
In this part of the world we have even worse stuff around: PPP over L2TP over
over IP with 1500 MTU interconne
On Fri, Jan 19, 2018 at 9:07 AM, Mike Hammett wrote:
> Wouldn't those situations be causing issues now, given the likelihood that
> someone with a less than 1,500 byte MTU is communicating with you now?
Hi Mike,
They do. These are the people calling your support line with the
complaint that the
❦ 19 janvier 2018 08:07 -0600, Mike Hammett :
> Wouldn't those situations be causing issues now, given the likelihood
> that someone with a less than 1,500 byte MTU is communicating with you
> now?
Those situations are causing issues now. If you have a MTU less than
1500 bytes, it is likely som
On Fri, Jan 19, 2018 at 8:58 AM, Jared Mauch wrote:
>> On Jan 18, 2018, at 8:44 PM, William Herrin wrote:
>>> Which packet? Is there a specific CDN that does this? I’d be curious to
>>> see
>>> data vs speculation.
>>
>> Path MTU discovery (which sets the DF bit on TCP packets) is enabled
>> b
And also:
When the router generates the ICMP by punting the packet to its CPU and such
traffic is - legitimately - rate-limited to avoir crashing the router.
When the ICMP is sourced by a private IP on the router for various legitimate
reasons (not enough public IPv4 addresses, from within a VR
On Fri, Jan 19, 2018 at 8:48 AM, Mike Hammett wrote:
> Other than people improperly blocking ICMP, when does PMTUD not work?
> Honest question, not troll.
>
Hi Mike,
One common scenario: the router's interface is numbered with an RFC 1918
private IP address. The packet is dropped because it tri
On Fri, 19 Jan 2018, Mike Hammett wrote:
Wouldn't those situations be causing issues now, given the likelihood
that someone with a less than 1,500 byte MTU is communicating with you
now?
If the issue is that you're letting 8996 byte packets through but not 9000
byte packets, then no.
--
Mi
"Many folks these days just fail away from a seemingly problematic link quickly
and don’t always identify the root cause." Agreed.
-
Mike Hammett
Intelligent Computing Solutions
http://www.ics-il.com
Midwest-IX
http://www.midwest-ix.com
- Original Message -
From: "Jared M
> On Jan 19, 2018, at 9:07 AM, Mike Hammett wrote:
>
> Wouldn't those situations be causing issues now, given the likelihood that
> someone with a less than 1,500 byte MTU is communicating with you now?
>
Tends to be more localized and less visible in many cases.
I’m aware of at least one
On 19 January 2018 at 13:48, Mike Hammett wrote:
> Other than people improperly blocking ICMP, when does PMTUD not work?
> Honest question, not troll.
>
>
It can break under _certain_ scenarios with Anycast.
It can break under _certain_ scenarios in v6 with ECMP.
It can break across an LB in L4
Dear Nanogers,
By now, I'm pretty that the community has heard that china is planning to
increase (once again) filtering measures by limiting ports 80 / 443 / 8080 :
https://www.reddit.com/r/China/comments/7opv4f/china_to_block_sdwan_and_vpn_traffic_by_jan_11/
https://www.goldenfrog.com/blog/art
Wouldn't those situations be causing issues now, given the likelihood that
someone with a less than 1,500 byte MTU is communicating with you now?
-
Mike Hammett
Intelligent Computing Solutions
http://www.ics-il.com
Midwest-IX
http://www.midwest-ix.com
- Original Message -
On Fri, 19 Jan 2018, Mike Hammett wrote:
Other than people improperly blocking ICMP, when does PMTUD not work?
Honest question, not troll.
Mismatch of MTU interface settings between interfaces, mismatch of MTU
between L3 devices and intermediate L2 devices, anycast services, ECMP
based servi
Bah, never mind.. reading my PCAP wrong :-(
> On Jan 19, 2018, at 8:58 AM, Jared Mauch wrote:
>
>
>
>> On Jan 18, 2018, at 8:44 PM, William Herrin wrote:
>>
>>> Which packet? Is there a specific CDN that does this? I’d be curious to
>>> see
>>> data vs speculation.
>>
>> Howdy,
>>
>> P
> On Jan 18, 2018, at 8:44 PM, William Herrin wrote:
>
>> Which packet? Is there a specific CDN that does this? I’d be curious to see
>> data vs speculation.
>
> Howdy,
>
> Path MTU discovery (which sets the DF bit on TCP packets) is enabled
> by default on -every- operating system that's s
Other than people improperly blocking ICMP, when does PMTUD not work? Honest
question, not troll.
-
Mike Hammett
Intelligent Computing Solutions
http://www.ics-il.com
Midwest-IX
http://www.midwest-ix.com
- Original Message -
From: "Mikael Abrahamsson"
To: "Michael Craps
The Latin American and Caribbean Peering Forum LACPF-2018 will be held in
Panama City, Panama on the April 30th, 2018. The goal of the LACPF is to
promote and provide collaboration spaces in topics related to
interconnection and peering, IXPs, CDNs, transport capacity, and colo
facilities among oth
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