Unsolved
1 Rookie
•
8 Posts
0
388
November 5th, 2021 10:00
RPVST+ Port priority option doesn't work
Hello,
i want to set a specific port to be a Root Port, but the spanning-tree priority option doesn't change anything.
This my lab.
interface ethernet1/1/1
no shutdown
switchport mode trunk
switchport access vlan 1
switchport trunk allowed vlan 10,200,300
flowcontrol receive off
!
interface ethernet1/1/2
no shutdown
switchport mode trunk
switchport access vlan 1
switchport trunk allowed vlan 10,200,300
flowcontrol receive off
spanning-tree vlan 10 priority 16
0 events found
No Events found!
DELL-Tim G
4 Apprentice
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73 Posts
0
December 23rd, 2021 06:00
Hi,
a bridge priority of "16" is not valid, please choose according to the standards:
This is because RPVST needs to identify for which VLAN the BPDU is designated for which is done by adding the VLAN number up on the bridge priority if that makes sense.
Regards,
Tim