Re: [uknof] PTP Grandmaster Vendor Recommendations

Outside of £dayjob i'm currently speaking to the likes of Calrec, Lawo and DHD Audio for a community FM radio station relocation and technology refresh using digital AoIP desks. Sonifex AVN-GMC is very popular in the broadcast radio world for clocking AES67.. https://www.sonifex.co.uk/avn/avn-gmc

Re: [uknof] Monitoring if leased lines are down via an NNI

Hi Steven, Maybe look at BGP to the customer's own router/firewall? Private AS and they advertise their allocated prefix from your PA and you advertise a default route back. You still need to consider the customer's own upstream next-hop behaviour - BGP is perhaps the most straightforward in thi

Re: [uknof] Issues with AWS

Hi All, This ties in with some odd behaviour i've seen today - we also peer with 16509 over IXManchester. A ping to 195.66.244.42 from our peering router shows around 7% packet loss but that could well be control plane policers kicking in at their side. We'll raise a case with their NOC and if

Re: [uknof] Journey from zero to unbundled, and how to engage with Openreach

Yes, certainly interested to see how others have fared. In our own case it's been an interesting experience establishing for AccessLocate / DFX / OSA / GEA. Step one: find and never let go of a good account manager. Step two: acquire patience of a saint as you'll need it for navigating the produ

Re: [uknof] TTB Outage

On Tue, 18 Aug 2020 at 23:02, Tom Hill wrote: > > Good example: the Geo Networks double-cut of "diverse" dark fibre paths > between what is now (mostly) MA2 & the two halves of MA1. The networks > that survived without a total blackout at Reynolds House, were those > that hadn't relied solely on

Re: [uknof] Temporary Wifi/Networking rental/lease/begborrow

Hi, Marek and I do connectivity for Infest at Bradford Uni. I've got a small stack of the original UniFi UAP (2.4GHz only) that are unused for most of the year and you're welcome to borrow them. Come to think of it, I also acquired a small job lot of 10 x Ruckus 7341's on eBay a few years ago wh

Re: [uknof] 4G routers that can be centrally managed

On Thu, 7 May 2020 at 19:33, Gavin Henry wrote: > Hi all, > > I'm looking for recommendations of low cost routers with a bit of > management. > > I'm not sure if these should be ubnt or meraki style with 4G exit points > or all SIM enabled, or regular routers with a dongle. > > It's part of an Ab

Re: [uknof] Public IPv4 Addresses Required

On Wed, 6 May 2020 at 17:52, David Reader wrote: > > > On 6 May 2020 17:14:24 Richard Halfpenny < > richard.halfpe...@exa-networks.co.uk> wrote: > >> IIRC the student radio station famously racked up a rather large >> transatlantic bandwidth bill by runnin

Re: [uknof] Public IPv4 Addresses Required

On Wed, 6 May 2020 at 16:53, Rob Evans wrote: > > Public IPv4 addresses direct on PCs, Mobile Devices on Guest Wifi > Networks, > > internal Printers I have seen this with my own eyes. > > Those sound like features, and how the Internet was supposed to work. > The 6th form college I attended

Re: [uknof] why aren't we giving /31 to customers

On Thu, 20 Feb 2020 at 12:36, Tom Bird wrote: > On 20/02/2020 12:07, Richard Halfpenny wrote: > > Hi Tom, > > > > On what connectivity (colo/fibre/etc)? > > Just on ethernet terminated circuits to customer premises (not PPPoE). > > I think for colo people still

Re: [uknof] why aren't we giving /31 to customers

Hi Tom, On what connectivity (colo/fibre/etc)? Rich. Network Engineering Manager Exa Networks Ltd :: AS30740 richard.halfpe...@exa.net.uk On Thu, 20 Feb 2020 at 12:00, Tom Bird wrote: > Morning, > > Given the RFC for this is something like 20 years old now, but I still > see /30s being used

Re: [uknof] Openreach EAD ECC's

+1, don't think you can combine allowances. I would say ask your OR account manager for confirmation (but then we have an excellent helpful account manager, YMMV). Rich. Exa Networks Ltd :: AS30740 richard.halfpe...@exa.net.uk On Thu, 7 Nov 2019 at 09:13, Neil J. McRae wrote: > Chris, > Pret

Re: [uknof] Current State of Multicast on the Internet?

On Tue, 3 Sep 2019 at 16:45, Marek Isalski wrote: > > On 3 Sep 2019, at 14:54, Neil J. McRae wrote: > > Yah we’re about to go 100G at my place :) fortunately for us we’re well > on the petabit journey. > > Ok, while we're all bragging about home Internet speeds, here's my serving > cabinet. Sub

Re: [uknof] CoLo in Leeds

Hi Paul, AQL. For easy interconnect to other carriers either DC3 or DC2 (we have been in the latter since 2010). If you connect to IXLeeds you can also potentially pick up a lot of traffic from Akamai. Rich. Network Engineering Manager Exa Networks Ltd :: AS30740 richard.halfpe...@exa.net.uk

Re: [uknof] fs reliability

On 9 August 2018 at 12:33, Stuart Henderson wrote: > I've been trying out FS transceivers. Nothing fancy, just 10Gb LR SFP+ > for data centre interconnects etc. Out of 8 deployed there have been > 2 where the link has failed, then the reported Tx power from DOM has > shown as -40.0 dBm - one shor

Re: [uknof] SSE Fibre Problems this evening

Same here :) Rich. Network Engineering Manager Exa Networks Ltd :: AS30740 richard.halfpe...@exa.net.uk On 26 July 2018 at 22:51, Paul Bone wrote: > Our circuit has just come back up. > > > > Best Regards > Paul > > > > > > > > *From:* uknof *On B

Re: [uknof] SSE Fibre Problems this evening

Yes, we have lost some LightNOW wavelengths on that route up to Manchester plus some customer Ethernet tails terminating into Telehouse. Turns out to be emergency maintenance at Froxfield PoP to replace section of cable. Having spoken to them just after 8:20 it seems that not everybody received t

Re: [uknof] JUNOS filter hackery

Hi Paul, Flowspec and ExaBGP? You probably can get JUNOS to build dynamically but have never tried that specific case.. the most we do is to have a commit script that searches for all BGP peer addresses and then opens them up automatically on the control plane filter. I doubt you could get it t

Re: [uknof] Openreach RO2

Hi Dan, I think the bigger problem you will have is guaranteeing diversity between the two wholesale carriers (e.g. who are they actually using for core circuits / dark fibre). I am currently doing a similar exercise for one of our business customers - adding a backup fibre path to an existing so

Re: [uknof] Cabling Companies

Hi Leigh, Data Techniques always did really good crossconnect work for us in Telehouse before the cabling monopoly was introduced. Also Sudlows were fantastic for some local projects up north near here (I expect they do cover South / London though). Rich. Network Engineering Manager Exa Network

Re: [uknof] 10G PE Router Options

On 6 March 2018 at 12:22, Paul Bone wrote: > Hi All, > > > > We are in need of a couple of 10G PE Routers and as a small provider cost > is always a factor for us unfortunately! > > > > We need 4*10G Ports, multiple 1G SFP ports, IPv4 and IPv6 L3VPN, L2VPN > etc…..we do not need any HQOS features

Re: [uknof] 'White Box' switching and OS - Any experiences worth sharing?

On 15 February 2018 at 20:55, David Farrell wrote: > Hi UKNOF, > > Just wondering if anyone on list had looked at this and had any > experiences they'd care to share. > > I'm just starting to evaluate the options out there, for various reasons I > need NOS with a 'traditional' CLI that network en

Re: [uknof] Arista

On 21/11/2017 13:40, Darren Brown wrote: > Hi Guys, > > Does anyone have any experience of Arista products good / bad ? I am > specifically looking at the 7280SRA. In addition, does anybody know who the > “go to” supplier in the UK would be ? > > Many Thanks > Darren Brown Carrying full v4/v6 t

Re: [uknof] LACP on Openreach EAD RA02

On 09/10/2017 16:04, Richard Savage wrote: > Hi > > Just looking for some clarification on the following. > > Have an Openreach EAD RO2 circuit with a cisco ME3600X on one end with a > Cisco 2960X on the other end. Is there any reason why the Openreach > circuits cannot be used in a port channel

Re: [uknof] ISDN30 inbound spare for couple of months

On 22/09/2017 11:15, Joseph Waite wrote: > Hi All > (snip) > > Just wondering if anyone has an old dialup system with spare capacity > that they could disconnect a line form and plug into this box. Yes, in Manchester though. Unfortunately cannot spare any of our E1's. If you have a 2901 or bet

Re: [uknof] Supplier in UK/EU with holding of MTP8 cables ex-stock

Try http://mcldatasolutions.co.uk - have always been really good for us for most fibre stuff. Rich. Network Operations Exa Networks Ltd :: AS30740 richard.halfpe...@exa-networks.co.uk On 06/07/2017 15:40, Mike Hughes wrote: > Hi all, > > I need to get some MTP8 cables - 10M & 12M lengths, Metho

Re: [uknof] PPPoE Server Options

On 12/07/2016 14:15, Jody Botham wrote: > > On Tue, Jul 12, 2016 at 1:59 PM, Tom Smyth > wrote: > > a Mikrotik ROS system running on x86 Harware is hard to beat for > price and scale that you are talking about, we have a client running > PPPoE in

Re: [uknof] BT Openreach ECCs

On 13/06/2016 19:54, Ben McKeegan wrote: > In the past, whenever we have filled up a tube to any given location we > have always had an additional fibre tube installed for free when we next > ordered to that location, but its been a while since we were last in > this situation. I was wondering if

Re: [uknof] IPv6 and flat /48's

On 26/05/2016 15:22, Brian Candler wrote: > I have now dealt with two UK providers who, when asked to add IPv6 to a > business connection, have insisted on configuring a flat /48 on the CPE > LAN port. Name and shame! Rich. Network Operations Exa Networks Ltd :: AS30740 richard.halfpe...@exa-net

Re: [uknof] Fibre splicer recommendations...

On 19/05/2016 19:33, Simon Lockhart wrote: > So, does anyone have any recommendations of what to get, and where to get it > from? Any negative experiences also welcome... I've had the Fujikura FSM-60s kit (inc CT-30 cleaver) on rental from Livingston (http://www.livingston.co.uk) in the past.. lo

Re: [uknof] Dark Fibre - Manchester

On 14/04/2016 16:58, Phil Bartlett wrote: > Hi > > Looking for a price for dark fibre between M247 and Telecity Reynolds house. > Can anyone help? Try going direct to TheLoop (Gamma)? Rich.

Re: [uknof] reliably detecting a bridge over ethernet?

On 15/12/2015 09:49, Dave Taht wrote: > I am curious if there is some sort of igmp or other form of message > that would reliably detect if a switch had a bridge on it. How could > deviceA and B detect deviceC was a bridge in this case? > > deviceA -> ethernet switch -> deviceB >

Re: [uknof] Mx80 with non juniper xfp

On 08/10/2015 21:54, Richard Halfpenny wrote: > Our MX80's don't seem fussy at all (certainly not for SFP's). However, > we're big FlexOptix fans here so we just take a transceiver from the > pile and code as necessary :) Caveat: DOM probably won't work even i

Re: [uknof] Mx80 with non juniper xfp

On 08/10/2015 20:27, Joseph Waite wrote: > Does anyone in here know if the juniper mx80, not sure firmware but > unit was manufactured in 2013 so Fairly recent will work with other > xfp's? My ex3300 juniper switches will work fine and just show > non-jnpr or similar when checking the hardware. >

Re: [uknof] 10gb switch

On 18/09/2015 13:25, Pete Stevens wrote: >> what is the stability like in cumulus what is the uI /cli like ? does it >> have a nice cli ? or does it depend on openflow controlers and stuff like >> that ? >> that was the one thing I was worried about when looking at 10 g >> switches... > > It's

Re: [uknof] 10gb switch

On 18/09/2015 12:19, Pete Stevens wrote: >> if there's budget to spend £4000 on a 10G switch, the OP should look at >> something like a QuantaMesh BMS T3048-LY8, which will run one of the ONIE >> operating systems (i.e. linux). This will give 48x10G + 4x40G instead of >> 24x10G. > > +1 +1 here t

Re: [uknof] Recent Threats from a Group calling themslves DD4BC

On 18/06/2015 13:26, James Blessing wrote: > > > On 18 June 2015 at 13:21, Greg Choules > wrote: > > All. What does anyone know about a group called DD4BC? > > We at Three are starting to hear some worrying stories about what > they claim to be

Re: [uknof] Ofcom proposals to force BT OpenReach forced to allow access to dark fibre?

On 19/05/2015 11:04, Ben King wrote: > The real wins will be on short distance 10G+ stuff, and possibly NGA > services (where the fibre tax is different and much cheaper). ^^ this. OSA for 10G end user links is not a viable product. Rich.

Re: [uknof] Ofcom proposals to force BT OpenReach forced to allow access to dark fibre?

On 19/05/2015 10:30, Paul Mansfield wrote: > http://www.theguardian.com/business/2015/may/15/ofcom-force-bt--open-fibre-optic-network > > good news, possibly. Possibly, I can see BT/Openreach pushing back hard against this. We run lots of EAD links to end users. If I can migrate those to DFA (o

Re: [uknof] Airflow management blanks

On 28/04/2015 15:59, Mike Hughes wrote: > Greetings UKNOF folks... > > I'm after some of those lightweight "corrugated cardboard" (can't think > of what else to call them) blanking sheets to put in racks to stop > hot/cold aisle "rebreathing". Google "tear off blanking panels". I think the ones

Re: [uknof] Bulk fibre supplier

On 28/01/2015 13:09, Dariush Marsh-Mossadeghi wrote: > Does anyone know of a good source of long lengths of bare single mode fibre? > I’m looking for 10-15km reels. > Thanks > Dariush Emtelle? http://www.emtelle.com/ Rich. Network Operations Exa Networks Ltd :: AS30740 richard.halfpe...@exa-net

Re: [uknof] High Density Wifi

On 09/12/2014 11:37, Peter Knapp wrote: > I spent quite a while on this with a couple of larger multi-vendor WAP > distributors and they have clients of the big exhibition centres and > music venues, and they use extremely steerable APs with shielding, much > as you do with an audio line array if y

Re: [uknof] VM National Ethernet specs

On 04/12/2014 09:19, Paul Thornton wrote: > Hi folks, > > Yes, I know, I'm asking about VM - so all bets are off. However... > > We've just had a 'BOS Technical Support Analyst' at VM come back on a > customer's open fault with the following statement: > > "Also a lot of our customers are not

Re: [uknof] Openreach Modem Issue

On 27/08/2014 10:58, Peter Knapp wrote: > There are various firmware issues with early V6 on RB2011’s. > > If you update them past 6.11 (or it might be 6.14) the issue “goes away”. > > We use them gig port auto neg into FTTC modems without issue in this fashion Only had problems with RB951G (no

Re: [uknof] Openreach Modem Issue

On 27/08/2014 10:36, Stuart Howlette wrote: > /interface ethernet set auto-negotation=no speed= duplex= > > Unless I'm missing something, that works fine Nope, the modem wants to autoneg.. force 100M/FULL and the link doesn't come up at all. Leave it to autoneg and the most you get is 10M/FULL.

Re: [uknof] Openreach Modem Issue

On 27/08/2014 07:31, Adrian Kennard wrote: > Last we heard is that they were rolling out an update. > > However, they have been replacing modems when we ask, with the other model. Annoyingly the ECI B-Focus has Ethernet autonegotiation issues with some kit, notably Mikrotik RB2011's and RB951G's

Re: [uknof] BT Migrations; Anyone with clue?

On 15/07/2014 10:40, James Bensley wrote: > On 15 July 2014 10:19, Richard Halfpenny > wrote: >> What CPE are you running? >> >> Rich. > > > A range of Cisco ISR G1 routers. I was hoping to avoid somethign that > was CPE specific but actually dual dialers

Re: [uknof] BT Migrations; Anyone with clue?

On 14/07/2014 20:49, James Bensley wrote: (snip) > The path I would like to explore is that as lines only auth to one CP > at any one time until the point when BT migrate the line between CPs, > then CPEs can be reconfigured with PPP details for the new CP. Once > the migration occurs the PPP ses

Re: [uknof] Transit in Bournemouth

On 12/06/2014 08:49, Paul Mansfield wrote: > > On 12 Jun 2014 08:25, "Nic Lewis" > wrote: >>> That aside though, the general point stands. There isn't yet a > Bournemouth Internet Exchange :) >> >> I'm up for setting up a regional exchange there, maybe on the Isle of > P

Re: [uknof] Here is a Challenge

On 02/05/2014 09:15, Andy Davidson wrote: > Another note - It is likely to be significantly cheaper to try to > avoid having to lay large capacity into London from Harwell, e.g. by > serving content out of racks in region and populating/feeding the > data cache on smaller links from your office for

Re: [uknof] Media Converters

On 14/10/2013 11:27, Paul Thornton wrote: > On 14/10/2013 11:19, James Bensley wrote: >> Many thanks everyone for the on and off list responses. > > One further comment on media converters which bit me hard once. > > Beware the cheaper ones which are usually implemented as a two port > Ethernet s

Re: [uknof] Media Converters

On 11/10/2013 15:46, James Bensley wrote: > I was wondering if anyone can recommend a small 1-to-2u rack mount > unit that is a copper/fibre media converter for 6 or 8 connections. In > my head I can imagine a switch with half copper ports and half > SFP/SFP+ slots. Something I can drop into a cent

Re: [uknof] 3rd party optics for Juniper MX5-80

On 11/06/2013 08:29, Peter Taphouse wrote: > On 11/06/2013 08:24, chris wrote: > >> Flexoptix ? > > +1 > > Good product, good to deal with. +1 too, highly recommend them as a vendor! We don't run anything else in our MX80's :) However, we've never hit issues with non-Juniper coded transceiver

Re: [uknof] Need advice on L2TP/WBMC or other wholesalers

On 17/01/2013 12:02, Richard Halfpenny wrote: >> I'm still awaiting confirmation from Juniper, Hardware.com, IMtech and >> a few others. Some say it can, >> mainly folks on the j-nsp list in the US and others say you need an >> MX240 and an MPC. I think they have >&

Re: [uknof] Need advice on L2TP/WBMC or other wholesalers

On 17/01/2013 11:42, Gavin Henry wrote: > Thanks for all the replies off list (will reply), but one for on list below. > >> We did it the old fashioned way because you can get hold of the kit pretty >> cheap, and like I say DSL is low value for us - didn't want to go crazy with >> it. We'd have t

Re: [uknof] Need advice on L2TP/WBMC or other wholesalers

On 17/01/2013 07:58, Gavin Henry wrote: > On 16 January 2013 23:44, Richard Halfpenny > wrote: >> On 16/01/2013 23:02, Charlie Boisseau wrote: >> >>> Also, while Juniper MX's are being discussed - we've just put our MX-80s >>> into production, and

Re: [uknof] Need advice on L2TP/WBMC or other wholesalers

On 16/01/2013 23:02, Charlie Boisseau wrote: > Also, while Juniper MX's are being discussed - we've just put our MX-80s > into production, and they're brilliant. Looking forward to playing with > them properly now. I usually have a hard-on for most things Juniper but these days i'm starting to f

Re: [uknof] Need advice on L2TP/WBMC or other wholesalers

On 16/01/2013 15:56, Ben Ward wrote: > Since I am getting a very good price on Juniper MX and nobody's said > "forget PPPoE, it's old hat" [Correction: Neil has just dropped that in] > the question I have next is about national coverage. I imagine WBC are > the only ones capable of coverage in spa

Re: [uknof] Need advice on L2TP/WBMC or other wholesalers

On 15/01/2013 18:09, Ben Ward wrote: > I've been doing some research on the benefits of an LNS and would > appreciate some advice if anyone has 20 minutes to spare on Thursday. I > see there was the AQL workshop back in 2011, so hopefully people can > remember that far back. Mostly I'm looking at