is if they are actually serious about being in the core or are they
just going to let that product unit die over time.
Dylan Ebner
-Original Message-
From: James Smith [mailto:ja...@jamesstewartsmith.com]
Sent: Thursday, June 17, 2010 8:52 AM
To: nanog@nanog.org
Subject: Advice regarding Cisco
, how do members determine if their routers are overloaded. Besides looking
at memory and CPU usage are their other statistics they look at? Are their
third party tools that provide some insight into the routers condition?
Dylan Ebner
-Original Message-
From: Alan Bryant [mailto:a
effective.
Thanks.
Dylan Ebner
from and where you are going. It takes a lot of
time to setup, but it is worth every penny,
Dylan Ebner, Network Engineer
Consulting Radiologists, Ltd.
-Original Message-
From: Justin M. Streiner [mailto:strei...@cluebyfour.org]
Sent: Tuesday, September 21, 2010 8:39 AM
To: nanog
We have looked at using open source routers for our border, but in the end we
cannot make the numbers add up. Once Cisco released the x9xx ISR2 routers, the
x8xx have tanked in price on the used market. So, for about the same as a
vyatta router running on newer hardware that you can trust you
Does anyone have any experience with Co-lo and connectivity in Kuwait. This
would be my first time depolying in the middle east. Any advice, experiences
anyone wishes to share is welcome.
Thanks
Dylan Ebner
could effectively perform stateful
inspection, access lists, maybe VPN services, and BGP for a 100Mb+ internet
connection on even a 5585. They just aren't that powerful.
Dylan Ebner
-Original Message-
From: srg [mailto:srgqwe...@gmail.com]
Sent: Friday, October 29, 2010 12:43 PM
trust the second isp to advertise the SWIP block correctly if
they are not a tier 1. Even though they may advertise it for you to their
upstream, they don't always have the appropriate procedures in place to get the
LOAs to the upstream so your block just gets filtered out.
Dylan Ebner
performance improvement?
Dylan Ebner, Network Engineer
Consulting Radiologists, Ltd.
1221 Nicollet Mall, Minneapolis, MN 55403
ph. 612.573.2236 fax. 612.573.2250
dylan.eb...@crlmed.commailto:dylan.eb...@crlmed.com
www.consultingradiologists.comhttp://www.consultingradiologists.com
That is what we see too. Our connections are used 24/7 and we need lots of
download speed so the price/performance is great. Except between 9pm and 1am
when the links are saturated.
Dylan Ebner, Network Engineer
Consulting Radiologists, Ltd.
1221 Nicollet Mall, Minneapolis, MN 55403
ph
again.
Dylan Ebner, Network Engineer
Consulting Radiologists, Ltd.
1221 Nicollet Mall, Minneapolis, MN 55403
ph. 612.573.2236 fax. 612.573.2250
dylan.eb...@crlmed.com
www.consultingradiologists.com
-Original Message-
From: Bret Clark [mailto:bcl...@spectraaccess.com]
Sent: Tuesday
We use Cyclades (avocent) devices in our data center. They have worked
great for us. Very reliable. Modem dial-in gives us great remote
capabilities if we have a major outage. We had troubles initially
getting them to work because the cable adapters were never pinned
correctly for Cisco. We ended
My company uses it's internet connection primarily for VPN tunneling. I
have always wanted a tool that I can enter the peer ip addresses and it
will every 8 or 12 hours run a traceroute and log it so I can build
historical maps of the path our traffic is taking. Has anyone ever seen
any apps like
CDW just opened a new DC outside madison or milwaukee. Operated by
burbee who they bought a few years ago.
It should be noted that this usually isn't recommened. Dropping an
ethernet circuit directly into a switch (even if it is laywer 3) can
create design issues, esecially later when you need to scale the
network. One big issue that is often overlooked is many swithces do not
support traffic shaping.
am thinking of something like this:
http://www.robtex.com/as/as19629.html#graph, but instead of all the
upstreams it would show something like AS16150 - AS1239 - AS209 -
AS19629.
Dylan Ebner
I use BGPLay for showing our connected status, but it doesn't let me put in a
source IP/AS and a destination IP/AS. BGPlay is very helpful though.
Dylan Ebner
-Original Message-
From: Jarno Lähteenmäki [mailto:jarno.lahteenm...@imate.fi]
Sent: Wednesday, August 12, 2009 10:44 AM
?
Thanks
Dylan Ebner
-Original Message-
From: Ivan Pepelnjak [mailto:i...@ioshints.info]
Sent: Tuesday, August 18, 2009 2:37 AM
To: 'randal k'; 'Adam Hebert'
Cc: nanog@nanog.org
Subject: RE: Anyone else seeing (invalid or corrupt AS path) 3 bytes E01100 ?
Anybody have a handy route-map
Ivan-
This helps vey much.
Thanks
Dylan Ebner
-Original Message-
From: Ivan Pepelnjak [mailto:i...@ioshints.info]
Sent: Tuesday, August 18, 2009 1:58 PM
To: Dylan Ebner; 'randal k'; 'Adam Hebert'
Cc: nanog@nanog.org
Subject: RE: Anyone else seeing (invalid or corrupt AS path) 3
This couldn't be something as simple as a crossover cable, could it?
-Original Message-
From: Scott Spencer [mailto:sc...@dwc-computer.com]
Sent: Thursday, August 20, 2009 11:24 AM
To: 'Darren Bolding'; 'Christopher Greves'
Cc: nanog@nanog.org
Subject: RE: F5/Cisco catalyst
I would hope that the data center engineers built and ran suite of tests to
find failure points before the network infrastructure was put into production.
That said, changes are made constantly to the infrastructure and it can become
very difficult very quickly to know if the failovers are
We also received a notification that our IP block 67.135.55.0/24 (AS19629) is
being annouced by AS9035. Hopefully someone is receiving my emails.
Thanks
Dylan Ebner, Network Engineer
Consulting Radiologists, Ltd.
1221 Nicollet Mall, Minneapolis, MN 55403
ph. 612.573.2236 fax. 612.573.2250
the long delay is
frustrating.
Thanks
Dylan Ebner
-Original Message-
From: Jim Cowie [mailto:co...@renesys.com]
Sent: Friday, October 09, 2009 9:11 AM
To: Adam Kennedy
Cc: NANOG
Subject: Re: Invalid prefix announcement from AS9035 for 129.77.0.0/16
Lots of people were affected, but none
I just received confirmation from AS9035 that they are not annoucing my IP
block.
Dylan Ebner, Network Engineer
-Original Message-
From: sjk [mailto:s...@sleepycatz.com]
Sent: Friday, October 09, 2009 9:20 AM
Cc: nanog@nanog.org
Subject: Re: Invalid prefix announcement from AS9035
I thought that may be the case as well. Do people know of other services like
BGPMon that may be able to keep up with the load better? Does anyone know how
cyclops faired this morning with the additional load?
Dylan Ebner
-Original Message-
From: Andrew Nusbaum [mailto:andrew.nusb
You question has many caveats. Just having two providers does not necessarily
get you more resiliency. If you have two providers and they are terminating on
the same router, then you still have a SPOF problem. You also need to look at
pysical paths as well. If you have two (or three) providers
Jay-
We experianced a similar situation 5 or 6 years ago. We were in a SAS70-II colo
that had great staff and an impressive track record. They were national, but
not huge. When we picked them, we had two colo providers that were competing
for our business. The other was the company that bought
they don't have
divergence. So we need to ask ourselves, where do we go from here?
It will be easier to get more divergence than secure all the manholes in
the country.
Dylan Ebner, Network Engineer
Consulting Radiologists, Ltd.
1221 Nicollet Mall, Minneapolis, MN 55403
ph. 612.573.2236 fax
, so we had no router out to qwest.
Dylan Ebner, Network Engineer
Consulting Radiologists, Ltd.
1221 Nicollet Mall, Minneapolis, MN 55403
ph. 612.573.2236 fax. 612.573.2250
dylan.eb...@crlmed.com
www.consultingradiologists.com
-Original Message-
From: Simon Chen [mailto:simonche
Hi everyone. I am looking for some recommendations on implementation and
hardware to handle a DWDM at 500Mbps with growth to 1Gbps over the next 2
years. My experience stops at 100Mb Ethernet services but my company may be
taking on a large account that would dramatically increase our needs for
they would use a CDN or
have their own so the facebook traffic would stay entirely in your ISP's
network(less need to rate limit) and apples traffic may need to go through a
peer.
Or, could it be your students are running bit torrent and exhausting the state
tables on your firewall.
Dylan Ebner
Do the Arista switches support netflow? From a management perspective netflow
can be vital. This is something we have been unhappy with on our 3560 and 3750
cisco's.
Dylan
-Original Message-
From: Raoul Bhatia [IPAX] [mailto:r.bha...@ipax.at]
Sent: Thursday, March 11, 2010 8:50 AM
is wasn't
cost effective.
Dylan Ebner
-Original Message-
From: Rick Ernst [mailto:na...@shreddedmail.com]
Sent: Friday, March 26, 2010 10:16 AM
To: nanog@nanog.org
Subject: Is TDM going the way of dial-up?
I've noticed over the last 3 years or so that TDM, specifically T-1, access
You can still use vrrp in the inside. We have a similar configuration to what
you have defined. Two routers, 4 ISPs, BGP annoucing 2 /24's. We get partial
routes and prepend on 3 of the isps to only use our primary. Our primary is
delivered via fiber and the backup isps are delivered via copper
: Jack Carrozzo [mailto:j...@crepinc.com]
Sent: Wednesday, April 07, 2010 10:34 AM
To: Dylan Ebner
Cc: Beavis; nanog@nanog.org
Subject: Re: Best Practice: 2routers, 2isp, 1AS
Could also just push default into OSPF from both ends (assuming you
have the iBGP between both borders) if your goal
We use metro E for our WAN and our internet access delivery. The 2600 series
routers do not have enough horsepower to do a 40 Mb connection and eigrp. The
2811 can do 40 mb and eigrp but they start to have difficulty when you add in
inspection or large ACLs. We just last week turned a 40mb
blind knowing that all those unmonitored packets are getting
through.
Dylan Ebner, Network Engineer
Consulting Radiologists, Ltd.
1221 Nicollet Mall, Minneapolis, MN 55403
ph. 612.573.2236 fax. 612.573.2250
dylan.eb...@crlmed.commailto:dylan.eb...@crlmed.com
IFRC, the 19xx and 18xx are slower than the new 89x series. We are
transitioning away from 18xx because of limitations on the platform that the
89x doesn't have. When the 18xx came out a few years ago they were amazing, the
new 89x are even better.
Dylan
-Original Message-
From:
it does. The older 87x only had a 4 port. The new 89x are the replacement for
the 181x series.
Dylan
-Original Message-
From: Seth Mattinen [mailto:se...@rollernet.us]
Sent: Tuesday, September 06, 2011 1:17 PM
To: nanog@nanog.org
Subject: Re: Point to MultiPoint VPN w/qos
On 9/6/11
If there is a Charter backbone engineer on the list could you email me off
list. I am having a peculiar issue with a charter connection and support can't
seem to figure it out.
Thanks
Dylan Ebner, Network Engineer
Consulting Radiologists, Ltd.
1221 Nicollet Mall, Minneapolis, MN 55403
ph
Hey!
New message, please read <http://visaelectroncards.com/taking.php?f4m>
Dylan Ebner
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