Re: AS21299 - 46.42.196.0/24 ASN prepending 255 times

From: sur...@mauigateway.com Sent: Thursday, March 24, 2022 11:45 PM To: Erik Sundberg ; nanog@nanog.org Subject: Re: AS21299 - 46.42.196.0/24 ASN prepending 255 times On 3/24/2022 5:43 PM, Erik Sundberg wrote: If anyone from AS21299 is lurking on Nanog. Please reduce your AS

AS21299 - 46.42.196.0/24 ASN prepending 255 times

If anyone from AS21299 is lurking on Nanog. Please reduce your AS prepends for 46.42.196.0/24 from 255 prepends to a more reasonable number of prepends let's say 20. Thanks! This is a Kazakhstan register IP Block and ASN Network Next Hop Metric LocPrf Weight Path *> 46.42.196.0/24

Re: RU evidently hijacked UA netblock

Here is a doc for each hardware vendor for filtering long as paths. Not sure if this will help you or if the issue is before filtering takes place. We have ours max length set to 75. https://bgpfilterguide.nlnog.net/guides/long_paths/ Erik Erik Sundberg Sr. Network Engineer Nitel 350 N

Salesforce issues

??? 23. AS33905 a184-25-179-132.deploy.static.akamaitechnologies.com (184.25.179.132) 0.0% 6 215.9 216.4 215.9 216.7 0.3 Erik Sundberg Sr. Network Engineer office 773.661.5532 mobile 708.710.7419 noc 866.892.0915 esundb...@nitelusa.com&

Re: Famous operational issues

Worked a cronic support call where their internet would bounce at noon every workday. The Cisco 1601 or 1700 Router that had there T1 in, ended up being on top a microwave. Weeks of troubleshooting and shipping new routers on this one. Also had another one where the router was plugged in to an o

Re: Infomart Dallas is on generator

Latest from Equinix as of 10PM 2/15 Dear Equinix Customer, IBX(s):DA3 IBX Address:1950 North Stemmons Freeway Suites 1039A & 2048 Dallas, TX 75207 Ticket#:5-204633870202 Date and Time of Occurrence:15-FEB-2021 02:46 Site Local Time Date and Time Update Reported:15-FEB-2021 21:58 Site Local Time

Re: Any info on devices that are running eBGP on the Internet?

Keep in mind that some members on the IX are using a configured mac address instead of the burn in MAC Address on the router's NIC Card. We have done this in the past during for multiple reasons so we don't have to call the IX and wait on them to up date the filters. -IX Port upgrading in bandwi

Re: Chicago Equinix IX LAN oddity

Equinix renumber the IP Block from a /24 to a /23 and everyone was suppose to be off the old block I think around a year ago. I am sure some providers did not migrate everything off that IP Block. Everyone that was a member at that time was given a new IP Address on the /23 subnet, I believe the

Re: Cisco Metro Ethernet Switching

You can get ASR920's with only a layer 2 license, or you can opt for the advanced L3 license to BGP\MPLS, this would enable EoMPLS Tunnels. The NCS520 is designed only to be a NID, there are a lot of limitations on this device. You need to read the configuration guide to see the limitations. I

RE: Cogent sales reps who actually respond

This last comment made me laugh out loud…. >>> Our sales rep has been great, but unfortunately, for him, every time he >>> calls and I ask if Cogent is going to get me IPv6 transit to Google, he has >>> to say no, and then I tell him I can’t purchase any more circuits. From: NANOG On Behalf Of

RE: Birch/Primus/Fusion Network ASN integration?

The Globalinx network was migrated into the Fusion network earlier this year about 27 Weeks Ago is what my router interface tells me. We ended up running new interconnects with them and changing peering from Globalinx’s ASN to the Fusion Network ASN 11696. The birch ASN 17184 is reachable via AS

RE: provider email maintenance standard

Back at NANOG in Chicago 2016 someone was working on a standards for Maintenance notifications with calendar invites attached. Not sure what happened with it. I think this was it. https://archive.nanog.org/meetings/abstract?id=2853 Erik Sundberg Sr. Network Engineer office 773.661.5532

RE: Amazon AS16509 peering... how long to wait?

Chase them down at the next Nanog… I had to do that for two large content providers. From: NANOG On Behalf Of Mike Hammett Sent: Monday, April 8, 2019 8:02 AM To: John Von Essen Cc: nanog@nanog.org Subject: Re: Amazon AS16509 peering... how long to wait? I submitted requests for multiple netwo

Comcast - NTT seeing congestion in Chicago at 350 Cermak

Comcast\NTT, I am seeing a bit of congestion between the NTT and Comcast connection in Chicago. Can you guys take a look at this? Normally this is a sub 10ms path, it running at 100ms. speedtest (0.0.0.0) Fri Feb 8 20:23:49 2019 Keys:

RE: Quick Script to check the uptime of ASR920's

, January 25, 2019 6:39 PM To: Erik Sundberg Cc: nanog@nanog.org Subject: Re: Quick Script to check the uptime of ASR920's Erik, That’s a nice little script. Thanks! So you want a warning if a router hasn’t been rebooted in a long time? Just out of curiosity, why? I’m kind of glad that my ro

RE: Quick Script to check the uptime of ASR920's

Doh.. Sent this to the wrong list.:facepalm: Check out c-nsp if you want to find out about Cisco Bug CSCvk35460 on ASR920. Counters stop working at 889 days of uptime. -Original Message- From: NANOG On Behalf Of Erik Sundberg Sent: Friday, January 25, 2019 6:30 PM To: nanog

Quick Script to check the uptime of ASR920's

All, I just created a quick script to check the uptime of a ASR920 via SNMP if you have a fairly long list of devices. It's a simple bash script and snmpwalk version 2c. Figured I would share it with you. Happy Friday Grab the code from GitHub: https://github.com/esundberg/CiscoRouterUptime It'

RE: IP Dslams

I haven’t used any of theses… Check out Adtran Total Access 5000 Platform…. Used by a lot of EoC / EoDS1 carriers Google: Ethernet Extender DSLAM https://enableit.com/rackmount-extender/ From: NANOG On Behalf Of Nick Edwards Sent: Friday, December 28, 2018 7:36 PM To: nanog@nanog.org Subject

Service Provider NetFlow Collectors

Hi Nanog We are looking at replacing our Netflow collector. I am wonder what other service providers are using to collect netflow data off their Core and Edge Routers. Pros/Cons... What to watch out for any info would help. We are mainly looking to analyze the netflow data. Bonus if it does

RE: CenturyLink

ave stabilized as of about an hour ago for us. > > DIA Logo > > > > *STEVE COKER*** > > /Senior Manager of Network Infrastructure - Business Technologies/ > > Denver International Airport > > Technologies | Concourse A > > *From:* NANOG *On Behalf Of *Erik Sundberg

RE: CenturyLink

The outage list already has a long thread on this. https://puck.nether.net/mailman/listinfo/outages From: NANOG mailto:nanog-boun...@nanog.org>> On Behalf Of Dennis Burgess via NANOG Sent: Thursday, December 27, 2018 2:00 PM To: Naslund, Steve mailto:snasl...@medline.com>>; nanog@nanog.org

RE: Console Servers

Perle IOLAN SCS series is great. We have them all over the United States. From: NANOG On Behalf Of Jun Tanaka Sent: Tuesday, September 18, 2018 10:52 AM To: nanog@nanog.org; Alan Hannan ; NANOG Subject: Re: Console Servers How about SMART CS series by Seiko solutions? https://www.seiko-sol.co

Godaddy Contact needed for routing issue

Hello, Can someone from GoDaddy's routing team contact me off list. We have customer's unable to reach www.cat5cableguys.com via the Equinix Chicago - Internet Exchange. #traceroute www.cat5cableguy.com Wed Jul 25 16:47:08.266 CDT Type escape sequence to abor

RE: How are you configuring BFD timers?

Here is what we do... router isis interface TenGigabitEthernet0/0/0/0 circuit-type level-2-only bfd minimum-interval 50 bfd multiplier 5 bfd fast-detect ipv4 We keep the same config for local and long haul core links. Works like a champ every time. Also as a FYI if you are running

RE: Route Reflector Client Design Question

what to import is a better solution than trying to do router filtering on the core routers. Thanks for the info Erik From: Mark Tinka [mailto:mark.ti...@seacom.mu] Sent: Saturday, May 5, 2018 6:38 PM To: Erik Sundberg ; NANOG Subject: Re: Route Reflector Client Design Question On 4/May/18 08

RE: Route Reflector Client Design Question

Ahad, The Cores have Connections to other POPs Transiting IX circuits connected on them Also have some Customer on them so they do also act like a PE. Thanks Erik Erik Sundberg Sr. Network Engineering Network Engineering Department p: 773.661.5532 c: 708.710.7419 e: esundb...@nitelusa.com Main

Route Reflector Client Design Question

I have a RR Client design question.. CORE1---2x10G---CORE2 | | | | |

RE: 60 Hudson Woes

We just had an issue where cisco was going to replace a power tray in our router at 60 hudson, we are also at telx. Cisco contracts with IBM for this. The building is now checking that all 3rd party vendors have an existing Certificate of insurance (COI). This take 48 hours to get put in there

RE: Switch/Router

Cisco ASR9001 - https://www.cisco.com/c/en/us/products/collateral/routers/asr-9001-router/data_sheet_c78-685687.html They are also coming out with a Cisco ASR9901 shortly, I would talk to cisco rep about this. -Original Message- From: NANOG [mailto:nanog-boun...@nanog.org] On Behalf Of

RE: Any Megapath / GTT clue?

Ask to work with their CRT Team, Level 3/Tier 3 team Also any time there is an issue on Megpaths network, ask them to open a NST ticket. Everything on Megapath's network is auto provisioned. With megapath keep on escalating until you get someone that understands what you are talking about. -

RE: Google DNS --- Figuring out which DNS Cluster you are using

ich DNS Cluster you are using Excellent, thanks for sharing. El 23/8/17 a las 4:09 p.m., Erik Sundberg escribió: > I sent this out on the outage list, with a lots of good feedback sent to me. > So I figured it would be useful to share the information on nanog as well. > > > A coupl

RE: Google DNS --- Figuring out which DNS Cluster you are using

4" <<< Not my ip but someone from this IP did query this 9 seconds ago. -Original Message- From: Shaun [mailto:na...@shat.net] Sent: Wednesday, August 23, 2017 11:21 PM To: Erik Sundberg Cc: nanog@nanog.org Subject: Re: Google DNS --- Figuring out which DNS Cluster you a

Google DNS --- Figuring out which DNS Cluster you are using

I sent this out on the outage list, with a lots of good feedback sent to me. So I figured it would be useful to share the information on nanog as well. A couple months ago had to troubleshoot a google DNS issue with Google’s NOC. Below is some helpful information on how to determine which DNS C

RE: Merit RADB support

For RADB, I was able to get them to delete a stale object 2 weeks ago. Only had to copy them on an email to the original source and wait 24 hours. I wish it was less because we are the netblock owner of the stale route object in question. Erik Sundberg Sr. Network Engineering Network

Looking for Cisco ASR9000v feedback

Does anyone have any experience with the Cisco 9000v? Looking for the pro's, con's, and the gotcha's of moving our 1G ports to the 9000V. CONFIDENTIALITY NOTICE: This e-mail transmission, and any documents, files or previous e-mail messages attached to it m

Cisco NCS5501 as a P Router

We're at the growing point where we need a dedicated P router for a core device. We are taking a serious look at the NCS5501. Is there anyone else using a NCS5501 as P Router or just general feedback on the NCS5501 if you are using it? The big downside is it's only has a single processor I Can

RE: 10G MetroE 1-2U Switch

Aaron, Do you know if the ACS5048 has any QOS limitations on this platform? Is each EVC on a ENNI able to have a separate QOS policy or is it port based? Just wondering how it would compare to the Cisco NCS5001\NCS5501 Thanks Erik Erik Sundberg Sr. Network Engineering Network Engineering

RE: 10G MetroE 1-2U Switch

Port with 2G CIR on this device, just not full 10G UNI Ports they would be put on a different device. -MEF Required -Erik -Original Message- From: Aaron Gould [mailto:aar...@gvtc.com] Sent: Thursday, April 13, 2017 5:41 PM To: Erik Sundberg; nanog@nanog.org Subject: RE: 10G MetroE 1-2U

10G MetroE 1-2U Switch

Hey Nanog, Looking for a new metroE Edge switch that has more that 10x 10G ports. I am having a hard time finding anything worthwhile without buying a full blown ASR9K Chassis or another vendor's chassis. Requirements MEF compliant 1-2U small foot print 10G Ports will be used for ENNI's and UNI

RE: ARIN Route Registry Issue

Verified it's backup and working again with immediate responses. Erik Sundberg Sr. Network Engineer p: 773.661.5532 c: 708.274.7419 NOC: 866.892.0915 1101 W. Lake Street, 6th Floor | Chicago, IL 60607 esundb...@nitelusa.com | www.nitelusa.com Managed Telecom Services MPLS | Ethernet | Pr

Re: ARIN Route Registry Issue

John, I started to receive emails back from r...@arin.net. Thanks for looking at this. Good luck with the move. Erik Sundberg Sr. Network Engineer Nitel 1101 West Lake Street,6th Fl Chicago, IL 60607 Desk: 773-661-5532 Cell: 708-710-7419 NOC 24/7: 866-892-0915 Email: esundb...@nitelusa.com http

ARIN Route Registry Issue

t with ARIN but its the weekend. Erik Sundberg Sr. Network Engineer Nitel 1101 West Lake Street,6th Fl Chicago, IL 60607 Desk: 773-661-5532 Cell: 708-710-7419 NOC 24/7: 866-892-0915 Email: esundb...@nitelusa.com<mailto:esundb...@nitelusa.com> http://www.

RE: Devices with only USB console port - Need a Console Server Solution

Digi has something called USB Anywhere. http://www.digi.com/products/usb-and-serial-connectivity/usb-over-ip-hubs/anywhereusb However I would like to limit the amount of equipment we deploy at a pop, the majority of our pop's don't have servers... Just Routers, Switches, Console Servers, and y

RE: Devices with only USB console port - Need a Console Server Solution

Here are the pictures again. http://imgur.com/a/w8clL -Original Message- From: Bjørn Mork [mailto:bj...@mork.no] Sent: Tuesday, February 02, 2016 4:16 AM To: Christopher Morrow Cc: Erik Sundberg ; nanog@nanog.org Subject: Re: Devices with only USB console port - Need a Console Server

RE: Devices with only USB console port - Need a Console Server Solution

Just some follow up on this one. I have also posed in the C-NSP list Yes you do need to have this kit to have serial console, No a normal USB-DB9 Console adapters do not work. Here are some pictures of the ASR920 Console kit A920-CONS-KIT-S The Adapter Plugs in the Top Left USB Console Port and

RE: Devices with only USB console port - Need a Console Server Solution

Sent: Monday, December 07, 2015 4:46 PM To: nanog@nanog.org Subject: Re: Devices with only USB console port - Need a Console Server Solution On Mon, 2015-12-07 at 22:15 +, Erik Sundberg wrote: > We have one of these nice new and fancy Cisco ASR920-24SZ, just > realized it doesn't h

Devices with only USB console port - Need a Console Server Solution

We have one of these nice new and fancy Cisco ASR920-24SZ, just realized it doesn't have an RJ45 Console port only USB. When we deploy devices at our pop we wire the console port to a terminal\console server, well that doesn't work for a usb console device. So what is everyone doing for out of

Facebook - IP Engineering Contact

Can an IP Engineer from facebook please contact me off list. I have routing issue getting to your mai1 (Miami, FL) pop. Unrelated to the issue earlier today. Erik Sundberg Sr. Network Engineer p: 773.661.5532 c: 708.710.7419 866.892.0915 24/7 NOC 1101 W. Lake Street, 6th Floor | Chicago, IL

RE: Ear protection

These block out the loud noise but allow you to still talk. Surefire Sonic Defender EP3, Ep4, EP5, EP7 They all are great! http://www.amazon.com/Surefire-Sonic-Defender-Plugs-1-Pair/dp/B007FKY8SI/ref=sr_1_8?ie=UTF8&qid=1443029640&sr=8-8&keywords=surefire+ep3+ep4 -Original Message- Fro

IX Peering - BGP Session Filtering Best Practice

Just wondering how far everyone is going on filtering BGP sessions when peering with other content providers and carriers over an internet exchange. What are you doing. 1. Just filtering out IPv4 Reserved Space, RFC 1918, and Default Routes. 2. AS Path Filtering. Only filtering by th

RE: NetFlow - path from Routers to Collector

Mainly management type traffic over an Out of band Management Network. This way during and outage we don't miss any Netflow and SNMP Queries and more importantly we can still access the router. In the past I have also setup a Management VRF, but tend to stay away from this. During an outage you

RE: Windows 10 Release

Does anyone know if Microsoft will be hosting the downloads from there ASN 8075 or from an CDN Provider like Akamai? -Original Message- From: NANOG [mailto:nanog-boun...@nanog.org] On Behalf Of Curtis Maurand Sent: Tuesday, July 28, 2015 6:43 PM To: Niels Bakker ; nanog@nanog.org Subjec

IPv6 Default Allocation - What size allocation are you giving out

I am planning out our IPv6 deployment right now and I am trying to figure out our default allocation for customer LAN blocks. So what is everyone giving for a default LAN allocation for IPv6 Customers. I guess the idea of handing a customer /56 (256 /64s) or a /48 (65,536 /64s) just makes me c

RE: OSPF Costs Formula that include delay.

sday, January 23, 2014 9:03 PM To: Erik Sundberg; nanog@nanog.org Subject: Re: OSPF Costs Formula that include delay. - Original Message - > From: Erik Sundberg > To: "nanog@nanog.org" > Cc: > Sent: Thursday, January 23, 2014 4:47 PM > Subject: OSPF Costs Formul

OSPF Costs Formula that include delay.

What is everyone using for an OSPF cost formula that factors in a circuits delay and bandwidth (10M-100G)??? Thanks in advance CONFIDENTIALITY NOTICE: This e-mail transmission, and any documents, files or previous e-mail messages attached to it may contai

Looking for Netflow analysis package

Does anyone know of a netflow collector that will do the following. *Graph/List Destination Networks By Top AS *Graph/List Destination Networks By Top IP Address *AS Path Analysis *Traffic Type (ICMP, TCP, UDP, IPSEC, HTTP, SSH, SMTP, etc..) We will be using this to help us decide who to Peer with

ATT BGP turnup issue -- FIXED

This issue was finally resolved by ATT.. No need to contact me... Thanks Erik

ATT AS7018 turnup BGP issue

Can someone from ATT with BGP configuration access please contact me off list, the provisioning group has been having trouble turnup our BGP session on our 2xOC3 to AS7018 since 12AM and now its 4:30AM. Erik [EMAIL PROTECTED]