---
title: NMP Lab 2
---
# Setup STP, ether channel

setup topology
p1 - s1
/ \
s2 = s3
s: switch, p: pc

##### *Options > Preferences > Port Labels Always Shown*

## 1. stp config 40%
### setup portfast, bpdu guard s1 to p1
Go into switch0 and open CLI

switch>en
Switch#conf t
Switch(config)#int fa0/1
Switch(config-if)#spanning-tree portfast
Switch(config-if)#spanning-tree bpduguard enable
Switch(config-if)#exit
Switch(config)#spanning-tree mode rapid-pvst

### change stp mode to rstp for s1,s2,s3
Go into switch1 and open CLI

switch>en
Switch#conf t
Switch(config)#spanning-tree mode rapid-pvst

Go into switch2 and open CLI

switch>en
Switch#conf t
Switch(config)#spanning-tree mode rapid-pvst

## 2. change root switch 40%
### show root bridge, blocked ports
Go into switch0 and open CLI

Switch(config)#exit
Switch#show spanning-tree

Go into switch1 and open CLI

Switch(config)#exit
Switch#show spanning-tree

Go into switch2 and open CLI

Switch(config)#exit
Switch#show spanning-tree

### change root bridge
Go into switch0 and open CLI

Switch#conf t
Switch(config)#spanning-tree vlan 1 root primary

## 3. setup ether channel 20%
### configure ether channel between s2,s3
Go into switch1 and open CLI

Switch#conf t
Switch(config)#int fa0/2
Switch(config-if)#channel1-group 1 mode on
Switch(config-if)#int fa0/3
Switch(config-if)#channel1-group 1 mode on

Go into switch2 and open CLI

Switch#conf t
Switch(config)#int fa0/2
Switch(config-if)#channel1-group 1 mode on
Switch(config-if)#int fa0/3
Switch(config-if)#channel1-group 1 mode on
Switch(config-if)#end
Switch#show spanning-tree

Go into switch1 and open CLI

Switch(config-if)#end
Switch#show spanning-tree

###### tags: `Network Management Practice` `CSnote`