Cisco Systems RJ-45-to-AUX Configuring Spanning Tree Protocol, Select E to enable Uplink Fast

Assigning a Static VLAN to an Interface on a 1900EN 156

Series

Configuring Spanning Tree Protocol

To configure Spanning Tree Protocol, start from the Main Menu and do the following:

1.Select option [N], Network Management.

2.From the Network Management menu, select option [B]:

Catalyst 1900 − Network Management

[I]IP Configuration

[S]SNMP Management

[B]Bridge − Spanning Tree

[C]Cisco Discovery Protocol

[G]Cisco Group Management Protocol

[H]HTTP Server Configuration

[R]Cluster Management

[X] Exit to Main Menu

Enter Selection: B

3.From this menu select option [U] for Uplink Fast. This allows for quick recovery should a root port fail:

Catalyst 1900 − Bridge − Spanning Tree Configuration

——————————————————————			Information ————————————————————————————————————————
[S] VLAN spanning trees enabled				1−64
——————————————————————			Settings ———————————————————————————————————————————
[U]	Uplink	Fast	Disabled
[R]	Uplink	Fast Frame	Generation rate 15

—————————————————————— Bridge Configuration ———————————————————————————————

[1]Configuration option 1

[2]Configuration option 2

[3]Configuration option 3

[4]Configuration option 4

[O] VLAN bridge operating parameters

—————————————————————— Actions ————————————————————————————————————————————

[E]	Enable	spanning tree(s)	[D]	Disable	spanning	tree(s)
[C]	Uplink	Fast statistics	[X]	Exit to	previous	menu

Enter Selection: U

4. Select [E] to enable Uplink Fast:

Uplink fast may be [E]nabled or [D]isabled:

Current setting ===> Disabled

New setting ===> Enabled

5.When you return to the Bridge Configuration menu, you can enable the Spanning Tree Protocol by selecting [E].

6.Select the VLAN you want to enable STP on. Notice we selected VLAN 2:

This command enables the Spanning Tree Protocol for a list of VLANs.

You may enable the Spanning Tree Protocol for a list of VLAN numbers.

VLAN numbers range from 1 to 1005.

VLAN numbers should be separated by commas or spaces. A VLAN number range may also be spe

Enter VLAN numbers: 2

7. To disable STP on a particular VLAN, you need to select option [D] from the same menu:

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