Re: STP Timer values on the secondary bridge

Hi Mohammed,

  Atleast I am not sure whether it is right or wrong ...But with
my understanding,it make logical that all the switches in the Rapid
Spanning-Tree protocol participate in providing topology informations to
others via BPDUs,which is different from 802.1d,where Root switch alone
sends periodic BPDUs down the tree and so assuming that is the
characteristics,it sounds right for me that in case of Rapid SPT all the
bridges/switches in that doamin needs to be configured with the timer values
for consistency.

Obviously would like to hear expert comment on his question and also
correcting my understanding is wrong

Thanks for the help

Regards
Anantha Subramanian Natarajan

On Sat, Sep 5, 2009 at 6:52 AM, Mohamed El Henawy <m.henawy_at_link.net> wrote:

> I think if this is Rapid SPT we need to modify it on all Switches....Right
> or Wrong ??
>
>
>
>
> ----- Original Message ----- From: "Anantha Subramanian Natarajan" <
> anantha.natarajan_at_gravitant.com>
> To: "Cisco certification" <ccielab_at_groupstudy.com>
> Sent: Saturday, September 05, 2009 4:07 AM
> Subject: STP Timer values on the secondary bridge
>
>
> Hi All,
>>
>> I was going through spanning tree protocol and here by referencing the
>> below paragraph read
>>
>> "You can only modify the timer values from the root bridge.Modifying the
>> values on other bridges has no effect.However,don't forget to update any
>> "backup" root bridges "
>>
>> My question is ,if for example in the real lab they give a task to
>> configure
>> SW1 has primary root for vlan x and SW2 has secondary root for Vlan x and
>> then in another task,if they ask to change the forward-delay timer value
>> to
>> y seconds for Vlan x,do we have to configure this on both root primary and
>> secondary switch.I heard many times that we don't neeed to worry about
>> redundancy unless specifically asked in the lab.But just want to make
>> sure,if they ask the above task,can we just configure the timer value on
>> the
>> root primary and not on the secondary.
>>
>> Kindly clarify the same.Thanks for the help
>>
>> Regards
>> Anantha Subramanian Natarajan
>>
>>
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Received on Sat Sep 05 2009 - 10:13:18 ART