nanog mailing list archives
Re: OSPF vs ISIS - Which do you prefer & why?
From: Michael Hallgren <mh () xalto net>
Date: Thu, 10 Nov 2016 23:49:47 +0100
Hi, What IGP features do you need, and for what reason? Cheers, mhLe 10 nov. 2016, à 23:04, Josh Reynolds <josh () kyneticwifi com> a écrit: I didn't "trash talk" a vendor. If I did, it would be a multi-thousand line hate fueled rant with examples and enough colorful language to make submarine crews blush. Cisco has been pushing EIGRP and IS-IS as part of their "showing" for decades. During that same time frame, the majority of the other vendors and the open source daemons have been using OSPF as their IGP offering. In the mean time, Cisco found a need to introduce more and more vendor specific features into their IS-IS offering - no different than any other vendor would do in their situation to promote the business case (better scaling, vendor lock-in, other bits). If you go looking for cross vendor compatibility with as many devices (routers, switches, servers, etc) as possible, you're going to end up with OSPF [or BGP, for the data center types that run it to edge nodes]. You will find a handful, as some have mentioned, of vendors that have adopted the open version of the protocol and have tried to add comparable/compatible features to close the gap. Since the last time I looked, I could not get the same feature sets running IS-IS in a multi-vendor environment as I could running OSPF. This was my experience at the time, based on my research and discussions with the vendors. On Nov 10, 2016 3:49 PM, "Nick Hilliard" <nick () foobar org> wrote: Josh Reynolds wrote: I'm sure a lot has changed with Juniper as of 2011 in regard to IS-IS support, which was the last time *I* looked. No, I do not have a list sitting ready, that catalogs in details between product lines and specific firmware versions and subversions between multiple vendors what one supports and what one does not as of Nov 11, 2016. What I can do is point you at the vendor list where you can make a comparison of that vendor to others, for the features that you need in your environment - as I'm not getting paid to maintain such lists, and they are. So what you're saying is that you can't even provide a single missing feature to justify trash-talking a vendor the way you did? Not even one?? Nick Le 10 nov. 2016 23:04, à 23:04, Josh Reynolds <josh () kyneticwifi com> a écrit:
I didn't "trash talk" a vendor. If I did, it would be a multi-thousand line hate fueled rant with examples and enough colorful language to make submarine crews blush. Cisco has been pushing EIGRP and IS-IS as part of their "showing" for decades. During that same time frame, the majority of the other vendors and the open source daemons have been using OSPF as their IGP offering. In the mean time, Cisco found a need to introduce more and more vendor specific features into their IS-IS offering - no different than any other vendor would do in their situation to promote the business case (better scaling, vendor lock-in, other bits). If you go looking for cross vendor compatibility with as many devices (routers, switches, servers, etc) as possible, you're going to end up with OSPF [or BGP, for the data center types that run it to edge nodes]. You will find a handful, as some have mentioned, of vendors that have adopted the open version of the protocol and have tried to add comparable/compatible features to close the gap. Since the last time I looked, I could not get the same feature sets running IS-IS in a multi-vendor environment as I could running OSPF. This was my experience at the time, based on my research and discussions with the vendors. On Nov 10, 2016 3:49 PM, "Nick Hilliard" <nick () foobar org> wrote:Josh Reynolds wrote:I'm sure a lot has changed with Juniper as of 2011 in regard toIS-ISsupport, which was the last time *I* looked. No, I do not have a list sitting ready, that catalogs in details between product lines and specific firmware versions andsubversionsbetween multiple vendors what one supports and what one does not asofNov 11, 2016. What I can do is point you at the vendor list where you can make a comparison of that vendor to others, for the features that you needinyour environment - as I'm not getting paid to maintain such lists,andthey are.So what you're saying is that you can't even provide a single missing feature to justify trash-talking a vendor the way you did? Not evenone??Nick
Current thread:
- Re: OSPF vs ISIS - Which do you prefer & why?, (continued)
- Re: OSPF vs ISIS - Which do you prefer & why? Josh Reynolds (Nov 10)
- Re: OSPF vs ISIS - Which do you prefer & why? Tim Jackson (Nov 10)
- Re: OSPF vs ISIS - Which do you prefer & why? Mark Tinka (Nov 10)
- Re: OSPF vs ISIS - Which do you prefer & why? Valdis . Kletnieks (Nov 10)
- Re: OSPF vs ISIS - Which do you prefer & why? Mark Tinka (Nov 10)
- Re: OSPF vs ISIS - Which do you prefer & why? Mark Tinka (Nov 10)
- Re: OSPF vs ISIS - Which do you prefer & why? Mark Tinka (Nov 10)
- Re: OSPF vs ISIS - Which do you prefer & why? Josh Reynolds (Nov 11)
- Re: [SPAM] Re: OSPF vs ISIS - Which do you prefer & why? Mark Tinka (Nov 10)
- Re: OSPF vs ISIS - Which do you prefer & why? Mark Tinka (Nov 10)
- Re: OSPF vs ISIS - Which do you prefer & why? Michael Hallgren (Nov 11)
- Re: OSPF vs ISIS - Which do you prefer & why? Charles van Niman (Nov 10)
- Re: [SPAM] Re: OSPF vs ISIS - Which do you prefer & why? Mark Tinka (Nov 10)
- Re: [SPAM] Re: OSPF vs ISIS - Which do you prefer & why? Mark Tinka (Nov 10)
- Re: [SPAM] Re: OSPF vs ISIS - Which do you prefer & why? sthaug (Nov 10)
- Re: [SPAM] Re: [SPAM] Re: OSPF vs ISIS - Which do you prefer & why? Mark Tinka (Nov 10)
- Re: OSPF vs ISIS - Which do you prefer & why? David Bass (Nov 10)
- Re: OSPF vs ISIS - Which do you prefer & why? Mark Tinka (Nov 10)
- Re: OSPF vs ISIS - Which do you prefer & why? Mark Tinka (Nov 09)