Cisco Systems ME 3400

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Subject Author Date
ME 3400 flamer die.spam@hotmail.com 08-05-08
| `--> Re: ME 3400 flamer die.spam...08-05-08
`--> Re: ME 3400 flamer die.spam...08-05-08
Posted by flamer die.spam@hotmail.com on August 5, 2008, 7:30 pm
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When Im configuring this 12G switch and I add a vlan I get no spanning
tree instance for it? I thought perhaps it was because it had no
ethernet connections up but even when bringing an interface up I still
get no stp instance.

heres what I have done:

vlan 123
name test

interface GigabitEthernet0/13
description trunk port
port-type nni
switchport trunk allowed vlan 2-4094
switchport mode trunk
udld port


interface GigabitEthernet0/1
switchport access vlan 123
media-type rj45
speed 100
duplex full

spanning-tree mode rapid-pvst
spanning-tree extend system-id
spanning-tree vlan 123 priority 0


switch#sh span vlan 50

Spanning tree instance(s) for vlan 50 does not exist.

switch#sh vlan br

VLAN Name Status Ports
---- -------------------------------- ---------
-------------------------------
1 default active Gi0/4, Gi0/5, Gi0/6,
Gi0/7
Gi0/8, Gi0/9, Gi0/10,
Gi0/11
Gi0/12, Gi0/13,
Gi0/14, Gi0/15
Gi0/16
123 test active Gi0/1
1002 fddi-default act/unsup
1003 token-ring-default act/unsup
1004 fddinet-default act/unsup
1005 trnet-default act/unsup


any ideas? I have tried shutting and no shutting the vlan etc but cant
get spanning tree to work?

Flamer.

Posted by Brian V on August 5, 2008, 9:16 pm
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> When Im configuring this 12G switch and I add a vlan I get no spanning
> tree instance for it? I thought perhaps it was because it had no
> ethernet connections up but even when bringing an interface up I still
> get no stp instance.
>
> heres what I have done:
>
> vlan 123
> name test
>
> interface GigabitEthernet0/13
> description trunk port
> port-type nni
> switchport trunk allowed vlan 2-4094
> switchport mode trunk
> udld port
>
>
> interface GigabitEthernet0/1
> switchport access vlan 123
> media-type rj45
> speed 100
> duplex full
>
> spanning-tree mode rapid-pvst
> spanning-tree extend system-id
> spanning-tree vlan 123 priority 0
>
>
> switch#sh span vlan 50
>
> Spanning tree instance(s) for vlan 50 does not exist.
>
> switch#sh vlan br
>
> VLAN Name Status Ports
> ---- -------------------------------- ---------
> -------------------------------
> 1 default active Gi0/4, Gi0/5, Gi0/6,
> Gi0/7
> Gi0/8, Gi0/9, Gi0/10,
> Gi0/11
> Gi0/12, Gi0/13,
> Gi0/14, Gi0/15
> Gi0/16
> 123 test active Gi0/1
> 1002 fddi-default act/unsup
> 1003 token-ring-default act/unsup
> 1004 fddinet-default act/unsup
> 1005 trnet-default act/unsup
>
>
> any ideas? I have tried shutting and no shutting the vlan etc but cant
> get spanning tree to work?
>
> Flamer.

Uhm, because you created a VLAN 123 and are trying to look at VLAN 50 ?


Posted by flamer die.spam@hotmail.com on August 5, 2008, 10:02 pm
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>
>
>
>
> > When Im configuring this 12G switch and I add a vlan I get no spanning
> > tree instance for it? I thought perhaps it was because it had no
> > ethernet connections up but even when bringing an interface up I still
> > get no stp instance.
>
> > heres what I have done:
>
> > vlan 123
> > name test
>
> > interface GigabitEthernet0/13
> > description trunk port
> > port-type nni
> > switchport trunk allowed vlan 2-4094
> > switchport mode trunk
> > udld port
>
> > interface GigabitEthernet0/1
> > switchport access vlan 123
> > media-type rj45
> > speed 100
> > duplex full
>
> > spanning-tree mode rapid-pvst
> > spanning-tree extend system-id
> > spanning-tree vlan 123 priority 0
>
> > switch#sh span vlan 50
>
> > Spanning tree instance(s) for vlan 50 does not exist.
>
> > switch#sh vlan br
>
> > VLAN Name =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 Statu=
s =A0 =A0Ports
> > ---- -------------------------------- ---------
> > -------------------------------
> > 1 =A0 =A0default =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0act=
ive =A0 =A0Gi0/4, Gi0/5, Gi0/6,
> > Gi0/7
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=
=A0 =A0 =A0 =A0 =A0 =A0Gi0/8, Gi0/9, Gi0/10,
> > Gi0/11
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=
=A0 =A0 =A0 =A0 =A0 =A0Gi0/12, Gi0/13,
> > Gi0/14, Gi0/15
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=
=A0 =A0 =A0 =A0 =A0 =A0Gi0/16
> > 123 test =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 ac=
tive =A0 =A0Gi0/1
> > 1002 fddi-default =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 act/unsup
> > 1003 token-ring-default =A0 =A0 =A0 =A0 =A0 =A0 =A0 act/unsup
> > 1004 fddinet-default =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0act/unsup
> > 1005 trnet-default =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0act/unsup
>
> > any ideas? I have tried shutting and no shutting the vlan etc but cant
> > get spanning tree to work?
>
> > Flamer.
>
> Uhm, because you created a VLAN 123 and are trying to look at VLAN 50 ?

ah sorry, i was looking at the right vlan, i had changed numbers
around to not show anything sensitive (obviously didnt change all of
them), but thank you for pointing that out

it should read:

switch#sh span vlan 123
>
Spanning tree instance(s) for vlan 123 does not exist.

My real question should really be, if i create a vlan while there are
no active network connections on the switch is a stp instance created?

Posted by flamer die.spam@hotmail.com on August 5, 2008, 11:10 pm
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On Aug 6, 11:30=A0am, "flamer die.s...@hotmail.com"
> When Im configuring this 12G switch and I add a vlan I get no spanning
> tree instance for it? I thought perhaps it was because it had no
> ethernet connections up but even when bringing an interface up I still
> get no stp instance.
>
> heres what I have done:
>
> vlan 123
> name test
>
> interface GigabitEthernet0/13
> =A0description trunk port
> =A0port-type nni
> =A0switchport trunk allowed vlan 2-4094
> =A0switchport mode trunk
> =A0udld port
>
> interface GigabitEthernet0/1
> =A0switchport access vlan 123
> media-type rj45
> =A0speed 100
> =A0duplex full
>
> spanning-tree mode rapid-pvst
> spanning-tree extend system-id
> spanning-tree vlan 123 priority 0
>
> switch#sh span vlan 50
>
> Spanning tree instance(s) for vlan 50 does not exist.
>
> switch#sh vlan br
>
> VLAN Name =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 Status =
=A0 =A0Ports
> ---- -------------------------------- ---------
> -------------------------------
> 1 =A0 =A0default =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0activ=
e =A0 =A0Gi0/4, Gi0/5, Gi0/6,
> Gi0/7
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 Gi0/8, Gi0/9, Gi0/10,
> Gi0/11
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 Gi0/12, Gi0/13,
> Gi0/14, Gi0/15
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 Gi0/16
> 123 test =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 acti=
ve =A0 =A0Gi0/1
> 1002 fddi-default =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 act/unsup
> 1003 token-ring-default =A0 =A0 =A0 =A0 =A0 =A0 =A0 act/unsup
> 1004 fddinet-default =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0act/unsup
> 1005 trnet-default =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0act/unsup
>
> any ideas? I have tried shutting and no shutting the vlan etc but cant
> get spanning tree to work?
>
> Flamer.

Ok I have figured it out, it allows you to tag one port as "nni" this
port must be up/up for spanning tree to start its thing.. (I had set
nni on an optical interface and was testing it by plugging the trunk
into a copper interface)

Similar ThreadsPosted
ME 3400 August 5, 2008, 7:30 pm