Re: IPv6 prefix lengths

2011-01-13 Thread Jeff Wheeler
Richard's employer is exactly the kind of organization that has not been able to effectively multi-home their discrete branch-offices on the IPv4 Internet, because RIR allocation policy set the bar for receiving IPv4 addresses for those small locations just high enough to steer us away from that

Re: IPv6 prefix lengths

2011-01-13 Thread Owen DeLong
Most people do not know about the multi-homing feature designed into IPv6. Most people who do, seem to agree that it may not see enough practical use to have meaningful impact on routing table growth, which will no longer be kept in check by a limited pool of IP addresses and policies that

Re: IPv6 prefix lengths

2011-01-13 Thread Michiel Klaver
At 22-07-28164 20:59, Richard Barnes wrote: Hi all, What IPv6 prefix lengths are people accepting in BGP from peers/customers? My employer just got a /48 allocation from ARIN, and we're trying to figure out how to support multiple end sites out of this (probably around 10). I was thinking

Re: IPv6 prefix lengths

2011-01-13 Thread Mohacsi Janos
On Thu, 13 Jan 2011, Owen DeLong wrote: Most people do not know about the multi-homing feature designed into IPv6. Most people who do, seem to agree that it may not see enough practical use to have meaningful impact on routing table growth, which will no longer be kept in check by a limited

anyone using Netgear GSM7352S-200 ?

2011-01-13 Thread Eugen Leitl
This is way offtopic, but I figured this would be a good place to ask. Anyone using Netgear GSM7352S-200 in production? http://www.netgear.com/images/GSM7328Sv2_GSM7352Sv2_23Sept1018-10817.pdf I know, it's Netgear, but how badly does it blow chunks? Inquiring minds, etc. (Disclaimer: I am

Re: IPv6 prefix lengths

2011-01-13 Thread Luigi Iannone
On Jan 13, 2011, at 10:49 , Owen DeLong wrote: Most people do not know about the multi-homing feature designed into IPv6. Most people who do, seem to agree that it may not see enough practical use to have meaningful impact on routing table growth, which will no longer be kept in check by a

Re: Is Cisco equpiment de facto for you?

2011-01-13 Thread Chuck Anderson
On Wed, Jan 12, 2011 at 11:10:16PM -0800, Scott Weeks wrote: To be fair to Cisco and maybe I'm way off here. But it seems they do come out with a way to do things first which then become a standard that they have to follow. ISL/DOT1Q HSRP/VRRP etherchannel/LACP Yes, and then they keep

Re: Is Cisco equpiment de facto for you?

2011-01-13 Thread Herro91
From my experience - A key thing to consider from any vendor is their support - Cisco has great support and a large support organization. I've seen them turn around complex problems very rapidly for their customers. Additionally, someone already mentioned investment protection and that Cisco

RE: Is Cisco equpiment de facto for you?

2011-01-13 Thread Brandon Kim
For ISL, I know they are trying to phase that out. For the exams, they are based on dot1q. Even if I had all cisco equipment, I'd try to go with standards because you never know down the road where you may need to use another vendor. I wouldn't use EIGRP if given a choice, I'd go with

transit providers via FLAG fiber?

2011-01-13 Thread Jim Mercer
I have been asked to investigate the costs of adding transit capacity for a national ISP in the middle east/asia. they have access to a FLAG landing station. can someone provide pointers as to where to start? private emails would be good, and i'll summarize. thanx. -- Jim Mercer

Re: Is Cisco equpiment de facto for you?

2011-01-13 Thread Tony Varriale
- Original Message - From: Chuck Anderson c...@wpi.edu To: nanog@nanog.org Sent: Thursday, January 13, 2011 7:18 AM Subject: Re: Is Cisco equpiment de facto for you? On Wed, Jan 12, 2011 at 11:10:16PM -0800, Scott Weeks wrote: To be fair to Cisco and maybe I'm way off here. But it

Re: Is Cisco equpiment de facto for you?

2011-01-13 Thread Tony Varriale
- Original Message - From: Brandon Kim brandon@brandontek.com To: c...@wpi.edu; nanog group nanog@nanog.org Sent: Thursday, January 13, 2011 8:46 AM Subject: RE: Is Cisco equpiment de facto for you? For ISL, I know they are trying to phase that out. For the exams, they are

Re: Is Cisco equpiment de facto for you?

2011-01-13 Thread Jack Bates
On 1/13/2011 8:46 AM, Brandon Kim wrote: For ISL, I know they are trying to phase that out. For the exams, they are based on dot1q. Even if I had all cisco equipment, I'd try to go with standards because you never know down the road where you may need to use another vendor. I wouldn't

Re: Is NAT can provide some kind of protection?

2011-01-13 Thread Jack Bates
On 1/12/2011 9:33 PM, Owen DeLong wrote: If you are proxying everything, then, there isn't any actual NAT. There are inside sessions and outside sessions. Depends on the proxy mechanism used. In a transparent firewall proxy layout, it generally is still considered NAT. The proxy capabilities

Re: Is NAT can provide some kind of protection?

2011-01-13 Thread Dobbins, Roland
On Jan 13, 2011, at 9:59 AM, Jack Bates wrote: The proxy capabilities of the firewall are additional security measures on top of the NAT (and definitely should be deployed for their higher security value). Not in front of servers, they shouldn't - because they have a negative security

Re: Is NAT can provide some kind of protection?

2011-01-13 Thread Jack Bates
On 1/13/2011 10:54 AM, Dobbins, Roland wrote: Not in front of servers, they shouldn't - because they have a negative security value in that context. I agree. Any content checks and reporting should be handled by the server and not a firewall proxy which might have it's own security

Call for ARIN XXVII Meeting Fellowship Applicants

2011-01-13 Thread ARIN
ARIN is pleased to offer a Meetings Fellowship Program to bring new voices and ideas to public policy discussions. This call is for Fellows to attend ARIN XXVII in San Juan, Puerto Rico from 10-13 April 2011. If you have never attended an ARIN meeting and are interested in participating in the

Re: Is NAT can provide some kind of protection?

2011-01-13 Thread William Herrin
On Thu, Jan 13, 2011 at 11:54 AM, Dobbins, Roland rdobb...@arbor.net wrote: On Jan 13, 2011, at 9:59 AM, Jack Bates wrote: The proxy capabilities of the firewall are additional security measures on top of the NAT (and definitely should be deployed for their higher security value). Not in

Re: Is NAT can provide some kind of protection?

2011-01-13 Thread William Herrin
On Thu, Jan 13, 2011 at 1:11 PM, Jack Bates jba...@brightok.net wrote: On 1/13/2011 11:56 AM, William Herrin wrote: So all the folks who use reverse proxies like an http accellerator are wrong? They have their purpose. However, depending on the security rating of the accelerator versus the

Re: IPv6 prefix lengths

2011-01-13 Thread Joel Jaeggli
if you have multiple sites you should request a direct assignmnet later than /48. previous $employer recieved a /44 direct assignment on the basis of north american footprint. On 1/13/11 4:49 AM, Richard Barnes wrote: Hi all, What IPv6 prefix lengths are people accepting in BGP from

Re: Is NAT can provide some kind of protection?

2011-01-13 Thread Lamar Owen
On Wednesday, January 12, 2011 12:01:27 pm George Bonser wrote: With v4 PAT, you can not be sure which address/port on the external IP maps to which address/port on the inside IP at any given moment and PAT is stateful in that an outbound packet is required to start the mapping. On Cisco at

Is Cisco equpiment de facto for you?

2011-01-13 Thread Michael Ruiz
I know where I have worked we have had a mixture of Juniper and Cisco equipment. Personally buying a Juniper Router like a M or a T series is like buying a Ferrari. I like Cisco personally and they are cheaper than buying a Juniper. For example a M-series is always going to cost some bucks after

Re: Is Cisco equpiment de facto for you?

2011-01-13 Thread Chris Adams
Once upon a time, Michael Ruiz mr...@lstfinancial.com said: I like Cisco personally and they are cheaper than buying a Juniper. For example a M-series is always going to cost some bucks after you factor the FPC and the PICS that need to be loaded. We didn't find that to be the case, after you

Re: Is Cisco equpiment de facto for you?

2011-01-13 Thread Jack Bates
On 1/13/2011 1:35 PM, Michael Ruiz wrote: For example a M-series is always going to cost some bucks after you factor the FPC and the PICS that need to be loaded. I find this usually has to do with the fact that there is no backup to software processing on a Juniper. Every feature it supports,

Re: Is NAT can provide some kind of protection?

2011-01-13 Thread Lamar Owen
On Wednesday, January 12, 2011 12:16:27 pm valdis.kletni...@vt.edu wrote: 140 million compromised PC's, most of them behind a NAT, can't be wrong. :) How many more would there be if most PC's were not behind NAT or stateful firewalling? Or, to turn it on its ear, Windows is the best OS; 250

RE: Is Cisco equpiment de facto for you?

2011-01-13 Thread Michael Ruiz
I find this usually has to do with the fact that there is no backup to software processing on a Juniper. Every feature it supports, it does so in hardware. If the hardware won't do it, then JUNOS won't do it. The exception has been the multiservices PIC, which is being obsoleted with the trio

Re: Is Cisco equpiment de facto for you?

2011-01-13 Thread Jack Bates
On 1/13/2011 1:48 PM, Michael Ruiz wrote: Yeah another thing I love about the JUNOS is the rollback command. Whew I can tell you a few times where that has saved my bacon a few times and the commit and check command.:-) Cisco IOS has a similar feature. reload in 5 make changes verify things

RE: Is Cisco equpiment de facto for you?

2011-01-13 Thread Justin M. Streiner
On Thu, 13 Jan 2011, Michael Ruiz wrote: Yeah another thing I love about the JUNOS is the rollback command. Whew I can tell you a few times where that has saved my bacon a few times and the commit and check command. :-) Definite +1 for rollback and commit check - and also show | compare jms

Re: Is Cisco equpiment de facto for you?

2011-01-13 Thread Scott Morris
The catch is being able to do it without reloading! commit confirm will help a lot as well. In case your commit annihilates your ssh session. ;) Scott On 1/13/11 2:51 PM, Jack Bates wrote: On 1/13/2011 1:48 PM, Michael Ruiz wrote: Yeah another thing I love about the JUNOS is the rollback

Re: Is Cisco equpiment de facto for you?

2011-01-13 Thread Leo Bicknell
In a message written on Thu, Jan 13, 2011 at 01:48:27PM -0600, Michael Ruiz wrote: Yeah another thing I love about the JUNOS is the rollback command. Whew I can tell you a few times where that has saved my bacon a few times and the commit and check command. :-) Cisco marketing seems to have

RE: Is Cisco equpiment de facto for you?

2011-01-13 Thread Michael Ruiz
Cisco marketing seems to have dropped the ball on this one, but IOS has had a feature that allows you to save a number of configurations, do diff's, and generally behave similar to the JunOS method for quite a while. You'll want to check out the archive command.

Re: Is Cisco equpiment de facto for you?

2011-01-13 Thread Greg Whynott
at one shop were i considered using Juniper instead of a Cisco internet edge router, the cost of the Juniper was so close to the Cisco it was a non consideration.The only reason we went with Cisco that time was due to the fact most of the other gear was Cisco, and it seemed to make more

Re: Is NAT can provide some kind of protection?

2011-01-13 Thread Lamar Owen
On Wednesday, March 21, 2007 05:41:00 am Tarig Ahmed wrote: Is it true that NAT can provide more security? Blast from the past Whew, is there any subject more guaranteed to cause a long thread than this? :-) I have some ideas on this; there are some creative manglings one can do with NAT

RE: Is Cisco equpiment de facto for you?

2011-01-13 Thread Thomas Magill
Cisco IOS has a similar feature. reload in 5 make changes verify things are working reload cancel There seems to be a better way to do it in IOS that will not reload the router: http://www.cisco.com/en/US/docs/ios/12_3t/12_3t7/feature/guide/gtrollbk.html I haven't tried it since all my gear

Re: Is Cisco equpiment de facto for you?

2011-01-13 Thread Bill Blackford
Subway subs started offering toasted as an option in response to the success of Quiznos Subs. So many vendors have been chasing the me too feature match behind Cisco for so many years it interesting to see Cisco doing the same behind Juniper. -b -- Bill Blackford Network Engineer Logged

Re: Is NAT can provide some kind of protection?

2011-01-13 Thread Owen DeLong
On Jan 13, 2011, at 11:44 AM, Lamar Owen wrote: On Wednesday, January 12, 2011 12:16:27 pm valdis.kletni...@vt.edu wrote: 140 million compromised PC's, most of them behind a NAT, can't be wrong. :) How many more would there be if most PC's were not behind NAT or stateful firewalling?

Re: Is Cisco equpiment de facto for you?

2011-01-13 Thread Owen DeLong
On Jan 13, 2011, at 11:51 AM, Jack Bates wrote: On 1/13/2011 1:48 PM, Michael Ruiz wrote: Yeah another thing I love about the JUNOS is the rollback command. Whew I can tell you a few times where that has saved my bacon a few times and the commit and check command.:-) Cisco IOS has a

Re: Is Cisco equpiment de facto for you?

2011-01-13 Thread Jack Bates
On 1/13/2011 2:58 PM, Owen DeLong wrote: reload in 5 make changes verify things are working reload cancel It's a little different on a redundant processor system, as you have to reload both processors. It's also a 2-20 minute outage while you reload, but it does beat 2 hour drives. Not

RE: Is Cisco equpiment de facto for you?

2011-01-13 Thread Michael Ruiz
On Jan 13, 2011, at 11:51 AM, Jack Bates wrote: On 1/13/2011 1:48 PM, Michael Ruiz wrote: Yeah another thing I love about the JUNOS is the rollback command. Whew I can tell you a few times where that has saved my bacon a few times and the commit and check command.:-) Cisco IOS has a

Re: Is NAT can provide some kind of protection?

2011-01-13 Thread Lamar Owen
On Wednesday, January 12, 2011 03:50:28 pm Owen DeLong wrote: That's simply not true. Every end user running NAT is running a stateful firewall with a default inbound deny. This is demonstrably not correct. Even in the case of dynamic overloaded NAT, at least on Cisco, there is no

Re: Is NAT can provide some kind of protection?

2011-01-13 Thread Owen DeLong
On Jan 13, 2011, at 1:21 PM, Lamar Owen wrote: On Wednesday, January 12, 2011 03:50:28 pm Owen DeLong wrote: That's simply not true. Every end user running NAT is running a stateful firewall with a default inbound deny. This is demonstrably not correct. Even in the case of dynamic

Re: Is Cisco equpiment de facto for you?

2011-01-13 Thread b nickell
Cheers.. to M.A.R.'s related view On Jan 13, 2011 12:37 PM, Michael Ruiz mr...@lstfinancial.com wrote: I know where I have worked we have had a mixture of Juniper and Cisco equipment. Personally buying a Juniper Router like a M or a T series is like buying a Ferrari. I like Cisco personally and

Re: Is NAT can provide some kind of protection?

2011-01-13 Thread Lamar Owen
On Thursday, January 13, 2011 04:32:17 pm Owen DeLong wrote: No match, no rewrite, no forward. This is what you're missing; 'no rewrite' does not mean 'no forward'. Non-rewritten packets along with the rewritten *are* forwarded to routing; in a firewall they're not forwarded to routing. What

Re: Is Cisco equpiment de facto for you?

2011-01-13 Thread Jack Bates
On 1/13/2011 2:44 PM, Thomas Magill wrote: Cisco IOS has a similar feature. reload in 5 make changes verify things are working reload cancel There seems to be a better way to do it in IOS that will not reload the router:

Re: co-location and access to your server

2011-01-13 Thread Jeroen van Aart
JC Dill wrote: Scruz is ~30-45 minutes from the heart of the internet on the west coast (Silicon Valley). If your $dayjob isn't in scruz, then it's most likely IN Silicon Valley. So locate your 1U server in Silicon Valley, where Yes it's in the Valley and I do consider locating it there.

Re: co-location and access to your server

2011-01-13 Thread Joel Jaeggli
On 1/13/11 11:30 PM, Jeroen van Aart wrote: JC Dill wrote: Scruz is ~30-45 minutes from the heart of the internet on the west coast (Silicon Valley). If your $dayjob isn't in scruz, then it's most likely IN Silicon Valley. So locate your 1U server in Silicon Valley, where Yes it's in

RE: Is Cisco equpiment de facto for you?

2011-01-13 Thread Thomas Magill
The problem is, it doesn't seem to support an automated rollback function. You'd need OOB to get access in many cases to do the rollback. I thought that is what 'configure terminal revert timer x' did. It looks like you have to do a 'configure confirm' before the revert time expires or it

Re: Is NAT can provide some kind of protection?

2011-01-13 Thread William Herrin
On Wed, Jan 12, 2011 at 10:02 PM, Mark Andrews ma...@isc.org wrote: In message aanlktikixf_mbuo-oskpjsw98vn5_d5wznui_pl37...@mail.gmail.com, William  Herrin writes: There's actually a large difference between something that's impossible for a technology to do (even in theory), something that

How are you aggregating WAN customers these days?

2011-01-13 Thread Michael Ruiz
I know the way I used to do it at a previous company is we deployed the Cisco 12000 series router with the CHOC12-DS1-IR-SC module so we can 336 T1 out of that puppy. The only down side is there is a limitation on the number of channel groups. If doing something other than just handing

How are you aggregating WAN customers these days?

2011-01-13 Thread Michael Ruiz
We used that topology, with an Adtran MX 2800 19 rack version. We would take our channelize DS-3 from the Telco and the Cisco PA-MC2T3 cards and in turn wire those to a DSX-1 panel. We then did 1 to 1 DS1 X-connects on the panel. That was starting to get too much of a pain as services grew, so

Re: Is NAT can provide some kind of protection?

2011-01-13 Thread Owen DeLong
On Jan 13, 2011, at 5:48 PM, William Herrin wrote: On Wed, Jan 12, 2011 at 10:02 PM, Mark Andrews ma...@isc.org wrote: In message aanlktikixf_mbuo-oskpjsw98vn5_d5wznui_pl37...@mail.gmail.com, William Herrin writes: There's actually a large difference between something that's impossible

Re: Is NAT can provide some kind of protection?

2011-01-13 Thread Douglas Otis
On 1/13/11 5:48 PM, William Herrin wrote: On Wed, Jan 12, 2011 at 10:02 PM, Mark Andrewsma...@isc.org wrote: In messageaanlktikixf_mbuo-oskpjsw98vn5_d5wznui_pl37...@mail.gmail.com, William Herrin writes: There's actually a large difference between something that's impossible for a