guys ,
this is what i saw when i ran this test on my 5509
this is my 5509
System Bootstrap Version: 2.4(1)
Hardware Version: 1.3 Model: WS-C5500 Serial #:
Module Ports Model Serial # Hw Fw Fw1 Sw
------ ----- ---------- --------- ------ ------- -------
--------------------
1 2 WS-X5506 007586383 2.1 2.4(1) 2.4(1) 3.1(1)
3 1 WS-X5302 010457260 7.0 20.7 3.1(1) 11.2(12a.P1)P1
4 24 WS-X5224 007583504 1.3 3.1(1) 3.1(1)
5 2 WS-X5101 005844319 1.2 1.1 1.3 2.1(7)
7 12 WS-X5201 006492462 2.0 3.1(1) 3.1(1)
9 12 WS-X5201 006492554 2.0 3.1(1) 3.1(1)
10 24 WS-X5224 007585630 1.3 3.1(1) 3.1(1)
changing the VTP domain does NOT change the revision number
adding a vlan does ...... change the rev........
i then RESET my system and low and behold.......
my rev number is 1
Domain Name Domain Index VTP Version Local Mode
Password
-------------------------------- ------------ ----------- -----------
----------
sts 1 2 server
configured
Vlan-count Max-vlan-storage Config Revision Notifications
---------- ---------------- --------------- -------------
15 1023 1 enabled
Last Updater V2 Mode Pruning PruneEligible on Vlans
--------------- -------- -------- -------------------------
10.4.4.1 disabled disabled 2-1000
anyone want to give me the command to set vtp rev to 0 ...apart from
deleting all the vlan`s .....and i`ll do it and post the responce
steve
>From: "Rich Mallory"
>Reply-To: "Rich Mallory"
>To: [EMAIL PROTECTED]
>Subject: RE: Cisco 5505 switch puzzle [7:11335]
>Date: Mon, 9 Jul 2001 23:15:21 -0400
>
>Interesting, I didn't realize that the 1900's did not change the rev number
>to 0 when the VTP domain name is changed. Just another case of switch/OS
>version having a different behavior. I'll have to remember that or I'm sure
>it will burn me some day.
>
>Unfortunately, I will only have the 6509's for about 2 more weeks before
>they go into production. So I am busily thinking of any tests to run and
>this was a good one.
>
>Rich
>
>-----Original Message-----
>From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
>Stefan Dozier
>Sent: Monday, July 09, 2001 8:42 PM
>To: [EMAIL PROTECTED]
>Subject: Re: Cisco 5505 switch puzzle [7:11335]
>
>
>At 07:37 PM 7/9/01 -0400, you wrote:
> >One thing I never really thought about until I read something the other
>day:
> >
> >If a switch was set to server mode I would have been wary of the
> >configuration revision before connecting it to an existing network.
> >If it was set to client mode I don't think I would have been quite as
> >cautious.
> >No matter whether the switch is client or server, the switch with the
> >highest revision will override the others. You can't change the VLAN
> >configuration, but if the revision is already higher it will override any
> >other switches VLAN config.
>
>Agreed....
>
> >
> >Another thing which seems a little strange - The CP BCMSN book suggests
>the
> >following steps before inserting a new switch into an existing domain(cut
> >down a little):
> >
> >1. Issue a Clear Config All
> >2. Power Cycle the switch to clear the VTP NVRAM
> >3. Determine the mode of operation and if Server mode is to be used,
>verify
> >that the revision is set to zero.
> >
> >Step one and two seem to be a bit of overkill.
>
>
>
> >From memory, the revision was set to zero after each change of VTP mode,
>VTP
> >domain, and a few other things.
>
>Whoa.....I haven't read anywhere that the configuration revision number
>gets reset
>to zero when changing the switch's VTP mode, VTP Domain name, etc.
>
>In testing that theory, unfortunately I'll have to rely for now on my
>trusty 1924 with
>the latest enterprise software installed as a testbed, but with continued
>discussions
>and education afforded by the list, perserverance in the pursuit of the
>knowledge
>required to obtain the ultimate certification, and my ability to keep a job
>that
>right now affords me the opportunity reach a higher level of understanding
>each and
>everyday.....one day I'll be in a environment where 55xx and 65xx are
>available as
>testbeds for scenarios just like this..[can't you just see the envy,
>"Rich"].
>
>Anyway, I'm back from la la land now, and my test doesn't indicate that the
>config rev
>number resets when changing the vtp mode or the vtp doamin name, atleast
>not on the
>1900 series switches, which I'm well aware are miles apart from the big
>boys, 55xx and 65xx
>series.
>
>
> After reading how non-volatile it was, I was
> >quite surprised how easy it was to reset it, although this could be an
>image
> >related thing. Anybody any other experiences? Rich?
> >Step 3 seems to go against my previous comment that it doesn't matter
>what
> >mode the switch is in. Why take more care for Server Mode if Client will
> >have the same disastrous effect?
>
>Agreed, client mode is just as dangerous as server mode if the config rev
>number
>is higher and maybe even moreso for the casual implementer who could
>possibly
>surmize that in client mode the switch couldn't perform changes in the VTP
>domain.
>
>
> >If we carry on like this we may actually get a topical thread to the same
> >length as a troll thread or a thread discussing whether piracy is a good
>or
> >bad thing. :-]
>
>nooooo, say it ain't so!
>
>Stefan
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