- A virtual community of network engineers
 Home  BookStore  StudyNotes  Links  Archives  StudyRooms  HelpWanted  Discounts  Login
RE: vlan minimization posted 11/14/2003
[Chronological Index] [Thread Index] [Top] [Date Prev][Date Next] [Thread Prev][Thread Next]

Please can you post the CCO link?
I was under the impression that vlan 1 could not be removed from trunk links
for the reason you specify below.


> ----------
> From: 	Ozgur Guler (Garanti Teknoloji)[SMTP:OzgurG@xxxxxxxxxxxxxx]
> Reply To: 	Ozgur Guler (Garanti Teknoloji)
> Sent: 	Friday, November 14, 2003 7:30 AM
> To: 	'Ccielab (E-mail)
> Subject: 	vlan minimization
> hello group,
> cco says
> "To reduce the risk of spanning-tree loops or storms, you can disable VLAN
> 1
> on any individual VLAN trunk port by removing VLAN 1 from the allowed
> list.
> This is known as VLAN 1 minimization. VLAN 1 minimization disables VLAN 1
> (the
> default VLAN on all Cisco switch trunk ports) on an individual VLAN trunk
> link. As a result, no user traffic, including spanning-tree
> advertisements, is
> sent or received on VLAN 1. "
> isnt that statement somewhat contradictory by itself...
> it says "To reduce the risk of spanning-tree loops or storms"
> then it says no user traffic, including spanning-tree advertisements, is
> sent
> or received on VLAN 1.
> afaik, blocking spanning tree advertisement is "a reason" for spt loops.
> i would be happy if someone can shed some light on this one.
> Ozgur
> This message and attachments are confidential and intended solely for the
> individual(s) stated in this
> message.If you received this message although you are not the addressee
> you
> are responsible to keep the
> message confidential .The sender has no responsibility for the accuracy or
> correctness of the
> information in the message and its attachments.Our company shall have no
> liability for any changes
> or late receiving,loss of integrity and confidentiality,viruses and any
> damages caused in
> anyway to your computer system.
> Bu mesaj ve ekleri mesajda gonderildigi belirtilen kisi/kisilere ozeldir
> ve
> gizlidir.Bu mesajin muhatabi
> olmamaniza ragmen tarafiniza ulasmis olmasi halinde mesaj iceriginin
> gizliligi
> ve bu gizlilik yukumlulugune
> uyulmasi zorunlulugu tarafiniz icin de soz konusudur.Mesaj ve eklerinde
> yer
> alan bilgilerin dogrulugu ve
> guncelligi konusunda gonderenin ya da sirketimizin herhangi bir
> sorumlulugu
> bulunmamaktadir.Sirketimiz
> mesajin ve bilgilerinin size degisiklige ugrayarak veya gec ulasmasindan,
> butunlugunun ve gizliliginin
> korunamamasindan, virus icermesinden ve bilgisayar sisteminize
> verebilecegi
> herhangi bir zarardan
> sorumlu tutulamaz.
> _______________________________________________________________________
> Please help support GroupStudy by purchasing your study materials from:
> Subscription information may be found at: 

[GroupStudy removed an attachment of type application/ms-tnef]