Cisco Systems RJ-45-to-AUX manual Disabling STP on a Set/Clear Command−Based Switch, 213

Enabling STP on a Set/Clear Command−Based Switch for All VLANs

To enable STP on all VLANs, use the following command in Privileged mode:

set spantree enable all

Related solutions:	Found on page:
Configuring a Static VLAN on a Catalyst 5000 Series	154
Switch
Configuring Multiple VLANs on a Catalyst 5000	154
Series Switch

Disabling STP on a Set/Clear Command−Based Switch

To disable STP on a Set/Clear command−based switch, use the following Privileged mode command:

catalyst5000> (enable) set spantree disable all Spantree disabled.

Disabling STP on a Set/Clear Command−Based Switch by VLAN

To selectively disable specific ports on the switch by VLAN, use this Privileged mode command:

set spantree disable [VLAN] set spantree disable all

For example, you could use disable STP on VLAN 2 with the following command:

set spantree disable 2

Viewing the STP Configuration on a Set/Clear Command−Based Switch

To view the current configuration of STP on your switch, use this Privileged mode command:

show spantree <VLAN number>

In the following example, the VLAN number is 5:

show spantree 5

The output should look similar to the following (Table 10.6 defines each of the fields in this output):

Spanning tree enabled
Spanning tree type		ieee
Designated Root		00—ac—15—22—a5—12
Designated Root	Priority 8192
Designated Root	Cost	0
Designated Root	Port	1/0
Root Max Age 10	Sec	Hello Time 2 sec Forward Delay 7 sec
Bridge ID MAC ADDR		00—ac—15—22—a5—12
Bridge ID Priority		8192

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