Re: STP access port start-up delay or intialization to

! Exactly 12 Seconds !I've Checkd that out With Ping from the computer to
the switch.

On Sat, May 9, 2009 at 11:32 PM, WW)W WWWW W <eshedalonie_at_gmail.com>
wrote:

> This is My Output
> Show Run | i span
> spanning-tree mode pvst
> spanning-tree extend system-id
> spanning-tree vlan 1 forward-time 6
>
> Switch#show run int f1/0/12
> Building configuration...
>
> Current configuration : 36 bytes
> !
> interface FastEthernet1/0/12
> end
>
> Switch#debug spanning-tree events
> Spanning Tree event debugging is on
> Switch#
>
> 00:04:18: setting bridge id (which=3) prio 32769 prio cfg 32768 sysid 1
> (on) id
> 8001.000f.f7be.7400
> 00:04:18: set portid: VLAN0001 Fa1/0/12: new port id 800E
> 00:04:18: STP: VLAN0001 Fa1/0/12 -> listening
> 00:04:20: %LINK-3-UPDOWN: Interface FastEthernet1/0/12, changed state to up
> 00:04:21: %LINEPROTO-5-UPDOWN: Line protocol on Interface
> FastEthernet1/0/12, ch
> anged state to up
> 00:04:24: STP: VLAN0001 Fa1/0/12 -> learning
> 00:04:30: STP: VLAN0001 Fa1/0/12 -> forwarding
>
> So From Blocking to Listening - 0 Time
> Listening to Learning - 6
> Learning to Forward - 6
>
> VLAN0001
> Spanning tree enabled protocol ieee
> Root ID Priority 32769
> Address 000f.f7be.7400
> This bridge is the root
> Hello Time 2 sec Max Age 20 sec Forward Delay 6 sec
>
> Bridge ID Priority 32769 (priority 32768 sys-id-ext 1)
> Address 000f.f7be.7400
> Hello Time 2 sec Max Age 20 sec Forward Delay 6 sec
> Aging Time 300
>
> Interface Role Sts Cost Prio.Nbr Type
> ------------------- ---- --- --------- --------
> --------------------------------
>
> Fa1/0/12 Desg FWD 19 128.14 P2p
>
>
> On Sat, May 9, 2009 at 11:13 PM, Ryan West <rwest_at_zyedge.com> wrote:
>
>> Mike,
>>
>> This is the autoverify output:
>>
>> ! "show spanning-tree root" on SW1 should look like (Root ID will differ):
>>
>> Root Hello Max Fwd
>> Vlan Root ID Cost Time Age Dly Root Port
>> VLAN0001 1 0013.806d.d180 0 2 20 16
>> VLAN0100 100 0013.806d.d180 0 2 20 16
>> VLAN0145 145 0013.806d.d180 0 2 20 16
>>
>> (My output is below, thought I would mention this since it's not obvious
>> via
>> email)
>> show spanning-tree root
>>
>> Root Hello Max Fwd
>> Vlan Root ID Cost Time Age Dly Root Port
>> ---------------- -------------------- --------- ----- --- ---
>> ------------
>> VLAN0001 1 0016.4736.ef80 0 2 20 6
>> VLAN0013 13 0016.4736.ef80 0 2 20 6
>> VLAN0100 100 0016.4736.ef80 0 2 20 6
>> VLAN0145 145 0016.4736.ef80 0 2 20 6
>>
>> You can't see from here, but I was marked incorrect for using a
>> forward-time
>> of 6. My sixes have a red line through them.
>>
>> -ryan
>>
>> From: Mike Leske [mailto:mike.leske_at_googlemail.com]
>> Sent: Saturday, May 09, 2009 4:09 PM
>> To: Ryan West
>> Cc: Anbu; Cisco certification
>> Subject: Re: STP access port start-up delay or intialization to forwarding
>> delay
>>
>> Hi Ryan,
>>
>> why not going with:
>>
>> spanning-tree vlan x forward-time 6
>> 20 + 6 + 6 = 32
>>
>> Mike
>>
>> 2009/5/9 Ryan West <rwest_at_zyedge.com<mailto:rwest_at_zyedge.com>>
>> Anbu,
>>
>> Thanks for the replay, I understand those phases on paper. What I'm
>> trying
>> to
>> figure out when this actually happens and what type of wording in a
>> question
>> might key me to take into account. For example, the ASET lab asks this:
>>
>> Configure switch 1 as the STP root and set the following parameters:
>>
>> * Root priority of zero (0)
>>
>> * An access port start-up delay, due to Spanning Tree, of 32
>> seconds.
>>
>> Which in this case means set the forward-time to 16 seconds and priority
>> of
>> associated VLANs to 0. What I'm trying to figure out is when I need to
>> account for blocking as well.
>>
>> -ryan
>>
>> From: Anbu [mailto:ksanpu_at_gmail.com<mailto:ksanpu_at_gmail.com>]
>> Sent: Saturday, May 09, 2009 3:29 PM
>> To: Ryan West
>> Cc: Cisco certification
>> Subject: Re: STP access port start-up delay or intialization to forwarding
>> delay
>>
>> From blocking to listening - 20 Sec
>> Listening to Learning - 15 sec
>> Learning to Forwarding - 15 sec
>>
>> So total 50 sec.
>> On Sat, May 9, 2009 at 7:33 PM, Ryan West
>> <rwest_at_zyedge.com<mailto:rwest_at_zyedge.com><mailto:rwest_at_zyedge.com
>> <mailto:rwe
>> st_at_zyedge.com>>> wrote:
>> Hello,
>>
>> I was going through some of the ASET exams and I was wondering if someone
>> might have some insight on key word detection for an STP question. What
>> wording would key you into accounting for blocking time when taking a port
>> from <state described in question> to forwarding?
>>
>> Thanks,
>>
>> -ryan
>>
>>
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Received on Sat May 09 2009 - 23:37:40 ART