---
# System prepended metadata

title: LABS
tags: [TP_CCNA, __ccna_EN]

---

---
title: LABS
---

###### tags: `__ccna_EN`,`TP_CCNA`



#1 Etherchannel 
![](https://i.imgur.com/uRGu4WG.png)


## 1 création des channel-group sur les ranges

Sur DU
```
interface range g0/1 - 2
channel-group 1 mode active
*Creating a port-channel interface Port-channel 1*
exit
```

Sur ASHISH
```
interface range g0/1 - 2
channel-group 1 mode passive/active
exit
```

## Configure le trunk 
le port channel doit avoir le même numéro commun

Sur DU

```
interface port-channel 1
switchport mode trunk
```


Sur ASHISH

```
interface port-channel 1
switchport mode trunk
```



# h1 

# lab 11: Port Fast

https://www.cisco.com/c/en/us/support/docs/lan-switching/spanning-tree-protocol/24062-146.html
## ROOT GUARD vs BPDU Guard
![](https://i.imgur.com/ioXROv6.png)
![](https://i.imgur.com/nx7C5fh.png)
https://www.cisco.com/c/en/us/support/docs/lan-switching/spanning-tree-protocol/10588-74.html#diff



Changement de Root Bridge
ASHISH(config)#spanning-tree vlan 1 root primary



DU(config)#spanning-tree vlan 1 priority 4096