Re: Disable port from STP

From: _ _ <krzysiek.zalewski_at_gmail.com>
Date: Tue, 9 Apr 2013 09:59:24 +0200

When I have below

interface FastEthernet0/24
 switchport trunk encapsulation isl
 switchport trunk allowed vlan 2
 switchport mode trunk
 switchport nonegotiate
 spanning-tree portfast trunk

SW1_H#sh spann vlan 2

VLAN0002
  Spanning tree enabled protocol ieee
  Root ID Priority 32768
             Address 000f.cbfc.e81b
             Cost 19
             Port 25 (FastEthernet0/23)
             Hello Time 2 sec Max Age 20 sec Forward Delay 1 sec

  Bridge ID Priority 32770 (priority 32768 sys-id-ext 2)
             Address 001b.2b75.0d80
             Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
             Aging Time 300

Interface Role Sts Cost Prio.Nbr Type
------------------- ---- --- --------- -------- --------------------------------
Fa0/1 Desg FWD 19 128.3 Shr
Fa0/23 Root FWD 19 128.25 P2p
Fa0/24 Desg FWD 19 128.26 P2p Edge <--- I see
this port here
Po23 Desg FWD 19 128.232 P2p

- But when I will use flex-link or span session it will dissapear form
above output.
  And the question is that maybe it is other configuration besides,
flex and span when port will be removed from STP.

On 4/9/13, Imran Ali <immrccie_at_gmail.com> wrote:
> i am not sure if i got you question properly , portfast also
> partially disables STP. it makes port skips listening and learning states
> and jump to forwarding state
>
>
>
>
>
> On Mon, Apr 8, 2013 at 3:30 PM, _ _ <krzysiek.zalewski_at_gmail.com> wrote:
>
>> Hi.
>> I have question about situation when port is disabled form STP.
>> I know two options:
>> > Flex link
>> > Monitor session
>> > Any other ideas?
>> --
>> Krzysiek
>>
>>
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-- 
Krzysiek
Blogs and organic groups at http://www.ccie.net
Received on Tue Apr 09 2013 - 09:59:24 ART

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