[Nanog-futures] Ubaidali Abdul Razack is out of the office.

2009-11-15 Thread ubaidali_abdul_razack
I will be out of the office starting 11/14/2009 and will not return until 12/07/2009. During this period of time, I am on leave. In case of urgent network issues,pls contact CRC APR for escalation. Please consider the environment before printing this e-mail. CONFIDENTIALITY

Re: Layer 2 vs. Layer 3 to TOR

2009-11-15 Thread gordon b slater
On Fri, 2009-11-13 at 09:44 +0100, Tore Anderson wrote: * Jonathan Lassoff Are there any applications that absolutely *have* to sit on the same LAN/broadcast domain and can't be configured to use unicast or multicast IP? FCoE comes to mind. and in a similar vein, ATAoE ; either

Re: AH is pretty useless and perhaps should be deprecated

2009-11-15 Thread Marshall Eubanks
On Nov 14, 2009, at 9:58 PM, Steven Bellovin wrote: On Nov 14, 2009, at 8:28 PM, David Barak wrote: I've seen AH used as a prove that this hasn't been through a NAT mechanism. In this context, it's pretty much perfect. However, what I don't understand is where the dislike for it

Re: AH is pretty useless and perhaps should be deprecated

2009-11-15 Thread Merike Kaeo
No - if you read the below pointers carefully it does specify that ESP-Null is a MUST for OSPFv3 authentication protocol while AH is a MAY. AH is mostly superfluous and complicates implementations. Someone on the IPsec mailing list stated that at least two implementations he was aware of

Re: Layer 2 vs. Layer 3 to TOR

2009-11-15 Thread Simon Leinen
Tore Anderson writes: * Jonathan Lassoff Are there any applications that absolutely *have* to sit on the same LAN/broadcast domain and can't be configured to use unicast or multicast IP? FCoE comes to mind. Doesn't FCoE need even more than that, i.e. lossless Ethernet with end-to-end flow

ADMIN: List FAQ/Monthly Post.

2009-11-15 Thread NANOG Mail List Committee
This 100-line document contains 62% of what you need to know to avoid annoying 10,000 people in your email to the NANOG list. It also contains pointers to another 23%. Please take 5 minutes to read it before you post [again]. General Information === About NANOG:

Re: AH is pretty useless and perhaps should be deprecated

2009-11-15 Thread Joel Jaeggli
Owen DeLong wrote: I've never seen anyone use AH vs. ESP. OSPFv3? I've always used ESP and so has every other IPSEC implementation I've seen anyone do. Owen On Nov 13, 2009, at 4:22 PM, Jack Kohn wrote: Hi, Interesting discussion on the utility of Authentication Header (AH) in

Alternatives to Cisco SFP-GE-S?

2009-11-15 Thread Seth Mattinen
Does anyone have any practical long term experience with third party alternatives to the (must be made from solid gold) Cisco SFP-GE-S module that they'd like to share with me? I suppose I could just use compatible GLC-SX-MM instead, but I kind of want to have DOM support. ~Seth

Re: AH is pretty useless and perhaps should be deprecated

2009-11-15 Thread Bill Fehring
On Sun, Nov 15, 2009 at 20:48, Joel Jaeggli joe...@bogus.com wrote: Owen DeLong wrote: I've never seen anyone use AH vs. ESP. OSPFv3? Maybe I'm asking a dumb question, but why would one prefer AH over ESP for OSPFv3? RFC4552: In order to provide authentication to OSPFv3, implementations MUST

Re: AH is pretty useless and perhaps should be deprecated

2009-11-15 Thread Joel Jaeggli
Bill Fehring wrote: On Sun, Nov 15, 2009 at 20:48, Joel Jaeggli joe...@bogus.com wrote: Owen DeLong wrote: I've never seen anyone use AH vs. ESP. OSPFv3? Maybe I'm asking a dumb question, but why would one prefer AH over ESP for OSPFv3? Header protection... still doesn't provide replay

Re: Alternatives to Cisco SFP-GE-S?

2009-11-15 Thread sthaug
Does anyone have any practical long term experience with third party alternatives to the (must be made from solid gold) Cisco SFP-GE-S module that they'd like to share with me? I suppose I could just use compatible GLC-SX-MM instead, but I kind of want to have DOM support. There are plenty of