Re: Texas internet connectivity declining due to blackouts

2021-02-17 Thread JÁKÓ András
> I have lived in France and now Hungary. I have never seen power lines > above ground, but I have heard there are some in rural France. You'll find them even in Budapest: https://www.google.com/maps/@47.4720119,19.1245507,3a,75y,127.74h,82.44t/data=!3m6!1e1!3m4!1sWCy2Wa7XFx751XnTwI4ZEA!2e0!7i163

Re: constant FEC errors juniper mpc10e 400g

2024-04-18 Thread JÁKÓ András
> What "all the ethernet control frame juju" might you be referring > to?  I don't recall Ethernet, in and of itself, just sending stuff back and > forth. I did not read the 100G Ethernet specs, but as far as I remember FastEthernet (e.g. 100BASE-FX) uses 4B/5B coding on the line, borrowed from FD

Re: Lawsuits for falsyfying DNS responses ?

2016-09-13 Thread JÁKÓ András
On Mon, Sep 12, 2016 at 04:08:08PM -0400, William Herrin wrote: > On Mon, Sep 12, 2016 at 1:41 PM, Jean-Francois Mezei > wrote: > > To do so, it will provide ISPs with list of web sites to block > > > > Are there examples of an ISP getting sued because it redirected traffic > > that should have go

Re: Cogent IPV6 connectivity to fireball.acr.fi

2013-11-03 Thread JÁKÓ András
> IPV6 connectivity to fireball.acr.fi is failing inside Cogent AS174. I > have already contacted the Cogent NOC, but I haven't heard anything back > yet. I'm wondering if somebody else with Cogent IPV6 connectivity can > run some tests. IPV4 connectivity is working fine. It works from AS2547

Re: valley free routing?

2014-03-06 Thread JÁKÓ András
> It's that business deal I want to hear about. When A-B and B-C are > free peering but the traffic goes A-B-C for some reason other than a > misconfiguration or deliberate abuse. On or off list, I'd like to know > about real-life use cases where folks do this on purpose. As far as I understand so

Re: Big Temporary Networks

2012-09-23 Thread JÁKÓ András
> Second, in the hotspot scenarios where this is likely to be a problem > (in IPv4 -or- IPv6) it's addressed by the "AP isolation" feature > that's getting close to omnipresent even in the low end APs. With this > feature enabled, stations are not allowed to talk to each other over > the wlan; they

Re: Big Temporary Networks

2012-09-24 Thread JÁKÓ András
> > just a small comment: As far as I understand "AP isolation" doesn't work > > if you don't have a WLAN controller but do have more than one APs. E.g. in > > the following setup > > > > ap1--sw1--sw2--ap2 > > > > with "AP isolation" turned on, clients associated to ap1 cannot > > communicate dire

Re: TCP time_wait and port exhaustion for servers

2012-12-05 Thread JÁKÓ András
Ray, > With a 60 second timeout on TIME_WAIT, local port identifiers are tied > up from being used for new outgoing connections (in this case a proxy > server). The default local port range on Linux can easily be > adjusted; but even when bumped up to a range of 32K ports, the 60 > second timeou

Re: DHCPv6 PD & Routing Questions

2015-11-26 Thread JÁKÓ András
> Well the requesting router could announce the route. ISC's client > has hooks that allow this to be done. That is, after all, how > routing is designed to work. The DHCP server usually is sitting > in a data center on the other side of the country with zero ability > to inject approptiate rout