About yar9960

yar9960 · 05-11-2004

In reviewing the SPAN (Switch Port Analyzer) (and RSPAN) configuration guidelines for the Catalyst 4000/4500 at the below URL, I noticed a somewhat ambiguous statement concerning performance issues as a result of an oversubscribed destination port.ht...

yar9960 · 09-01-2004

We are also working on getting DHCP snooping working on Cat4506s (SupIV). Could you tell me what version of IOS you are running on the 4506s that are successfully configured with DHCP snooping?Thanks,yoni.radzin@nyu.edu

yar9960 · 08-31-2004

Intuitively speaking, I would suggesting adding an explicit deny statement to the end of your MAC ACL:permit host 00a0.c9d5.ff9f any deny host any anyIn case there is not an implicit deny this should block frames from any MAC that you are not explici...

yar9960 · 05-12-2004

When in doubt, manually configure those VLANs!In terms of the VTP issue, if the 3512 had a higher (i.e. "better") revision number then it would not be updated with the new VLAN info. That's one theory anyway. The "Best Practices" doc for 4000/4500s s...

yar9960 · 05-12-2004

You can manually "prune" which VLANs are allowed on a particular trunk by using the "switchport trunk allowed vlan " command in interface config mode (on either end of the trunk). It's comparable to the "clear trunk " command on CatOS switches.http...

yar9960 · 05-11-2004

Thanks for the link. Yeah, it does seem to contradict the doc I posted. The only thing I can think is if SPAN behaves differently with 4000/SupII/CatOS vs. 4000/SupIII/IOS. Then maybe the issue only pertains to the latter. Or perhaps the phrasing of ...

Member Since	‎02-11-2004 02:39 PM
Date Last Visited	‎08-18-2017 03:51 AM
Posts	8
Total Helpful Votes Received	15

User Statistics

User Activity

Possible SPAN limitations/issues with Cat4000/4500 switches?

Re: Setting up DHCP Snooping on 4506

Re: why Mac Access-lists passes DHCP requests ?

Re: Interesting Vlan problem..

Re: Interesting Vlan problem..

Re: Possible SPAN limitations/issues with Cat4000/4500 switches?