Re: BCP38.info

2014-01-29 Thread Andrei Robachevsky
Jared Mauch wrote on 1/28/14 10:11 PM: 192.168.0.1 has a rule that says send UDP/53 packets I process to 172.16.0.1. Since i'm outside it's NAT, the rule ends up taking the source IP, which isn't part of it's NAT set, and ends up copying my source IP into the packet, then forwards it to

Re: BCP38.info

2014-01-29 Thread Andrei Robachevsky
Hi, Jared Mauch wrote on 1/28/14 9:03 PM: I'd rather share some data and how others can observe this to determine how we can approach a fix. Someone spoofing your IP address out some other carrier is something you may be interested to know about, even if you have a non-spoofing network.

Re: Opensource tools for inventory and troubleticketing

2014-01-29 Thread Mike
On 14-01-28 11:08 AM, Alexander Bochmann wrote: ...on Fri, Jan 24, 2014 at 10:37:14AM +0100, Octavio Alfageme wrote: network, but we are starting to need a better inventory of services and network resources and better troubleticketing procedures. We can not afford acquiring For the

BGP multihoming with two address spaces

2014-01-29 Thread Joseph Jenkins
I am seeking some feedback/help with my BGP configuration. I am peering with two providers level3 and tw. Unfortunately all of my address spaces are preferring the route over tw rather than level3. I have tried Prepending my AS and the carriers AS to the path on the tw side and I see those

Re: BGP multihoming with two address spaces

2014-01-29 Thread Sasa Ristic
How are you announcing your address space now? On Wed, Jan 29, 2014 at 12:32 PM, Joseph Jenkins j...@breathe-underwater.com wrote: I am seeking some feedback/help with my BGP configuration. I am peering with two providers level3 and tw. Unfortunately all of my address spaces are preferring

Re: BGP multihoming with two address spaces

2014-01-29 Thread Joseph Jenkins
I am announcing two separate /24s. 8.37.93.0 and 207.114.212.0. Joe On Jan 29, 2014, at 4:21 AM, Sasa Ristic ristic.s...@gmail.com wrote: How are you announcing your address space now? On Wed, Jan 29, 2014 at 12:32 PM, Joseph Jenkins j...@breathe-underwater.com wrote: I am seeking some

RE: BGP multihoming with two address spaces

2014-01-29 Thread Adam Greene
Perhaps L3 is preferring the routes it hears from TW over the ones it hears from you. Perhaps there is a community string you can attach to your announcements to one or both providers which can help you further manipulate what they do with your routes ... -Original Message- From: Joseph

Re: BGP multihoming with two address spaces

2014-01-29 Thread Faisal Imtiaz
Another thing to keep in mind that some providers will use local pref. as well for traffic engineering, Looking at the TW Telecom Community strings, it would appear that they do... http://www.onesc.net/communities/as4323/ http://www.onesc.net/communities/as3356/ Try using the communities to

Re: BGP multihoming with two address spaces

2014-01-29 Thread Jakob Heitz
It is likely that level3 is aggregating your route, but tw can't. Longest match wins. -- Jakob Heitz. Date: Wed, 29 Jan 2014 03:32:17 -0800 From: Joseph Jenkins j...@breathe-underwater.com I am seeking some feedback/help with my BGP configuration. I am peering with two providers level3

Re: BGP multihoming with two address spaces

2014-01-29 Thread Curtis Doty
According to telnet://route-server.twtelecom.net and http://lookingglass.level3.net/bgp/lg_bgp_main.php BGP is working as designed. Your single prepend on one prefix with TWTC causes a slight preference for LVL3. Add another prepend if you want to further balance your ingress load away from TWTC.

Re: Fiber Bypass Switch

2014-01-29 Thread Aled Morris
NTT-AT presented their optical bypass products at LINX81, seems like they might do what you want: http://www.ntt-at.com/product/optical-switch/ I haven't used them myself. Aled On 27 January 2014 19:26, Keyser, Philip pkey...@fibertech.com wrote: Looking for something similar to this.

Fw: ipv6 newbie question

2014-01-29 Thread Philip Lavine
    Is it best practice to have the internet facing BGP router's peering ip (or for that matter any key gateway or security appliance) use a statically configured address or use EUI-64 auto config? I have seen comments on both sides and am leaning to EUI-64 (except for the VIP's like the

Re: ipv6 newbie question

2014-01-29 Thread Jared Mauch
On Jan 29, 2014, at 12:35 PM, Philip Lavine source_ro...@yahoo.com wrote: Is it best practice to have the internet facing BGP router's peering ip (or for that matter any key gateway or security appliance) use a statically configured address or use EUI-64 auto config? I have seen

Re: Fw: ipv6 newbie question

2014-01-29 Thread Nick Hilliard
On 29/01/2014 17:35, Philip Lavine wrote: Is it best practice to have the internet facing BGP router's peering ip (or for that matter any key gateway or security appliance) use a statically configured address or use EUI-64 auto config? how are you going to set up the bgp session from the

Re: ipv6 newbie question

2014-01-29 Thread Sander Steffann
Hi, Is it best practice to have the internet facing BGP router's peering ip (or for that matter any key gateway or security appliance) use a statically configured address or use EUI-64 auto config? I have seen comments on both sides and am leaning to EUI-64 (except for the VIP's like

Re: Fw: ipv6 newbie question

2014-01-29 Thread Justin M. Streiner
On Wed, 29 Jan 2014, Nick Hilliard wrote: On 29/01/2014 17:35, Philip Lavine wrote: Is it best practice to have the internet facing BGP router's peering ip (or for that matter any key gateway or security appliance) use a statically configured address or use EUI-64 auto config? how are you

RE: Fw: ipv6 newbie question

2014-01-29 Thread Jack Stonebraker
Agreed, We do a /64 allocation which is reserved for each point to point link, but then subnet it to a /126 for actual use. That way we've got a /64 available if it's ever needed, while keeping the broadcast domain small for now when we don't. JJ Stonebraker IP Network Engineering Grande

Re: ipv6 newbie question

2014-01-29 Thread Owen DeLong
There are tradeoffs in both directions. Personally I think administrative simplicity wins over security through obscurity, so I recommend each organization pick a random pair of static addresses and use those two addresses for all of their point to point links. e.g. If your prefix for a given

Re: Fw: ipv6 newbie question

2014-01-29 Thread Michael Still
If only there was a best practices doc to help here... Oh wait there is! http://bcop.nanog.org/index.php/IPv6_Subnetting It doesn't specifically mention BGP so as to be protocol agnostic but does recommend allocating a /64 and using a /126 or /127. On Wed, Jan 29, 2014 at 12:35 PM, Philip

Re: BGP multihoming with two address spaces

2014-01-29 Thread William Herrin
On Wed, Jan 29, 2014 at 6:32 AM, Joseph Jenkins j...@breathe-underwater.com wrote: I am seeking some feedback/help with my BGP configuration. I am peering with two providers level3 and tw. Unfortunately all of my address spaces are preferring the route over tw rather than level3. Hi Joe, I

Tata communications issues

2014-01-29 Thread Ryan Delgrosso
I am looking for a clueful networking contact at Tata communications as the IP noc is not being terribly helpful. When i turn up advertisements to you I suddenly become unreachable to large swaths of the Internet. Please contact me off-list Thanks in advance -Ryan

Re: BGP multihoming with two address spaces

2014-01-29 Thread Owen DeLong
This sort of local-pref default seems to be a common practice with backbones. It's very annoying. I wish they'd stop. Most of their customers would actually be very unhappy if they stopped. This local-pref default prevents many many problems and in the vast majority of cases provides the

Re: BGP multihoming with two address spaces

2014-01-29 Thread Michael Hallgren
Le 29/01/2014 20:34, Owen DeLong a écrit : This sort of local-pref default seems to be a common practice with backbones. It's very annoying. I wish they'd stop. Most of their customers would actually be very unhappy if they stopped. This local-pref default prevents many many problems and in

BGP multihoming

2014-01-29 Thread Baldur Norddahl
Apologies for a RIPE question on NANOG, although I believe this issue will soon enough to be relevant for the ARIN region as well. I had a customer ask if we could provide him with BGP such that he could be multihomed. He already has 128 IP addresses from another ISP. Obviously a /25 is a non go

Re: BGP multihoming

2014-01-29 Thread Justin M. Streiner
On Wed, 29 Jan 2014, Baldur Norddahl wrote: I had a customer ask if we could provide him with BGP such that he could be multihomed. He already has 128 IP addresses from another ISP. Obviously a /25 is a non go for multihoming as everyone are going to ignore his route. Not necessarily

Re: BGP multihoming

2014-01-29 Thread Michael Braun (michbrau)
Interesting question, and to add to that, I have another one. With the rapid depletion of IPv4 address space from ARIN, are there private end-user companies that are leasing off unused portions of their assigned address blocks to other private and unrelated end user companies? Does that cause

Re: BGP multihoming

2014-01-29 Thread Tore Anderson
* Baldur Norddahl Apologies for a RIPE question on NANOG, although I believe this issue will soon enough to be relevant for the ARIN region as well. Relevant perhaps, but as the policies differ, so may the correct answers... I had a customer ask if we could provide him with BGP such that he

FW: Updated ARIN allocation information

2014-01-29 Thread Leslie Nobile
ARIN would like to share two items of information that may be of interest to the community. First, ARIN has recently begun to issue address space from its last contiguous /8, 104.0.0.0 /8. The minimum allocation size for this /8 will be a /24. You may wish to adjust any filters you have in

Re: FW: Updated ARIN allocation information

2014-01-29 Thread Seth Mattinen
On 1/29/14, 14:01, Leslie Nobile wrote: Additionally, ARIN has placed 23.128.0.0/10 in its reserves in accordance with the policy Dedicated IPv4 block to facilitate IPv6 Deployment (NRPM 4.10). There have been no allocations made from this block as of yet, however, once we do begin issuing

Re: Fw: ipv6 newbie question

2014-01-29 Thread Randy Bush
rfc 6164

looking for good AU dedicated server providers..

2014-01-29 Thread Carlos Kamtha
Hello, Was wondering if anyone could share any experiences. Prerequsites: a.) reliable upstream provider with established peering. b.) relatively acessible support staff. c.) FreeBSD preferring but CentOS is ok... any help would greatly be appreciated. Cheers, Carlos.

Re: looking for good AU dedicated server providers..

2014-01-29 Thread Matt Palmer
On Wed, Jan 29, 2014 at 06:37:35PM -0500, Carlos Kamtha wrote: b.) relatively acessible support staff. Accessable for what? Hardware maintenance, or full-service outsourced sysadmin assistance? What timezones, and what communication method? (Also, there's AusNOG if you want to get local

[NANOG-announce] NANOG On The Road - San Diego

2014-01-29 Thread Betty Burke be...@nanog.org
Colleagues: In partnership, the American Registry for Internet Numbers (ARIN) and the North American Network Operators Group (NANOG) will bring ARIN+NANOG on the Road to San Diego, CA on Tuesday, February 25, 2014. The one day event will be held at the Handerly Hotel Resort. Please pass along

Re: FW: Updated ARIN allocation information

2014-01-29 Thread Christopher Morrow
On Wed, Jan 29, 2014 at 5:16 PM, Seth Mattinen se...@rollernet.us wrote: On 1/29/14, 14:01, Leslie Nobile wrote: Additionally, ARIN has placed 23.128.0.0/10 in its reserves in accordance with the policy Dedicated IPv4 block to facilitate IPv6 Deployment (NRPM 4.10). There have been no

Re: BGP multihoming

2014-01-29 Thread Christopher Morrow
On Wed, Jan 29, 2014 at 3:45 PM, Michael Braun (michbrau) michb...@cisco.com wrote: Does that cause any problems where address space is being advertised from a non-assigned AS? how do you mean 'non-assigned' ? perhaps you have an example in the routing system today you could point at?

RE: looking for good AU dedicated server providers..

2014-01-29 Thread Nanda Kumar
Carlos, Is this for Wan connectivity between where you're and Australia? Best, Nanda -Original Message- From: Carlos Kamtha [mailto:kam...@ak-labs.net] Sent: Thursday, January 30, 2014 5:08 AM To: nanog@nanog.org Subject: looking for good AU dedicated server providers.. Hello,

Re: FW: Updated ARIN allocation information

2014-01-29 Thread Mark Andrews
In message CAL9jLabq=CSJSv4hufv+LSJ4d2JBhLQPukDcX3gxtc6-1PZA=a...@mail.gmail.com , Christopher Morrow writes: On Wed, Jan 29, 2014 at 5:16 PM, Seth Mattinen se...@rollernet.us wrote: On 1/29/14, 14:01, Leslie Nobile wrote: Additionally, ARIN has placed 23.128.0.0/10 in its reserves in

Re: FW: Updated ARIN allocation information

2014-01-29 Thread Mark Tinka
On Thursday, January 30, 2014 07:17:11 AM Mark Andrews wrote: Or you could just accept that there needs to be more routing slots as the number of businesses on the net increases. I can see some interesting anti-cartel law suits happening if ISP's refuse to accept /28's from this block. I