Re: Disable port from STP

Switch#Show run int f0/1

interface FastEthernet0/1

switchport access vlan 100

switchport mode access

Switch#Show Spanning-tree int f0/1

Vlan Role Sts Cost Prio.Nbr Type

---------------- ---- --- --------- -------- --------

VLAN0100 Desg FWD 19 128.3 P2p

Switch(config)#no spanning-tree vlan 100

 Switch#sh spanning-tree int f0/1

no spanning tree info available for FastEthernet0/1

Switch#sh spannin vlan 100

Spanning tree instance(s) for vlan 100 does not exist.

On Tue, Apr 9, 2013 at 12:59 AM, _ _ <krzysiek.zalewski_at_gmail.com> wrote:

> 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
>
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-- 
*Narbik Kocharians
*CCSI#30832, CCIE# 12410 (R&S, SP, Security)
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