Learning commands for Arista VLAN configuration ##FAQ #####How do you create a VLAN:
switch(config)#vlan 45
switch(config-vlan-45)#
- The default name for VLAN 45 Is VLAN0045
#####How do you view all VLANs?
show VLAN
Shows all VLANs
show vlan [VLAN_LIST] [PORT_ACTIVITY]
| VLAN_LIST | PORT_ACTIVITY | |
|---|---|---|
show VLAN |
All | n/a |
show VLAN 40-60 |
40-60 | n/a |
show VLAN active-configuration |
All | active |
show VLAN configured-ports |
All | active/inactive |
e.g. This command displays status and ports of VLANs 1-1000.
switch>show vlan 1-1000
| VLAN | Name | Status | Ports |
|---|---|---|---|
| 1 | default | active | Po1 |
| 184 | fet.arka | active | Cpu, Po1, Po2 |
| 262 | mgq.net | active | PPo2, Po1 |
| 512 | sant.test | active | Cpu, Et16, Po1 |
| 821 | ipv6.net | active | Cpu, Po1, Po7 |
#####Other VLAN commands
| Command | Description |
| ------------- |:-------------:| -----:|
| >show vlan dynamic | displays the source and quantity of dynamic VLANs on the switch. |
| >show vlan internal allocation policy | the list of VLANs that are allocated to routed ports along with the direction by which VLANs are allocated |
| >show vlan internal usage | displays the VLANs that are allocated to routed ports. |
| >show vlan private-vlan | lists the VLAN type and attached ports configuration of the private VLANs |
| >show vlan summary | Returns number of VLANs on this switch |
|>show vlan [VLAN_LIST] trunk group' | displays the trunk group membership of all configured VLANs|
#####How do I change VLAN transmission state?
state active | allows traffic
state suspend | blocks traffic
switch(config)#vlan 100-102
switch(config-vlan-100-102)#state suspend
switch(config-vlan-100-102)#
#####What is switchport mode?
There are 5 switching modes:
| Mode | Description |
|---|---|
| access | |
| trunk | |
| dot1q-tunnel | |
| tap | |
| tool |
You can restore switchport modes by using
>default switchport mode