WebMy testing below shows "switchp trunk allow vlan remove 20" removes vlan 20 from the trunk totally. While "switchport trunk pruning vlan remove 20" or "add 20" doesn't seem to do anything. SW2 (config-if)#do show int trunk. Port Mode Encapsulation Status Native vlan. Gi3/3 on 802.1q trunking 99. WebNov 9, 2024 · I found whatever I tried was dropping some VLANS i.e. the data VLAN was no longer passing traffic etc. Here is what works on the Cisco: Uplink interface:! interface GigabitEthernet1/0/24 switchport mode trunk! and the interface where the AP is connected:! interface GigabitEthernet1/0/13 switchport access vlan 130 switchport …
VLAN Configuration Guide, Cisco IOS XE Dublin 17.11.x …
WebJun 5, 2008 · The native vlan is the only vlan that is not tagged when it is sent across a trunk link. This is why it is important to have both sides of the trunk link agreeing on what the native vlan is as there is no vlan ID attached to the frame. WebMar 5, 2024 · The native vlan is the vlan that is not tagged with a vlan ID on an 802.1q trunk. All other vlans traversing the trunk are tagged with a vlan ID. Using the trunk allowed command lets you specify exactly which vlans are allowed over the trunk link, if they aren't in the list the vlan traffic will not go over the link. HTH Jon 0 Helpful Share Reply poppy 57mm diamond sunglasses chloe
Can I configure multiple native vlans on a single trunk link on ... - Cisco
WebBy default, the native VLAN of all trunk ports on Cisco switches is assigned to VLAN 1 but it can be any valid VLAN number. Figure 2. Figure 2. Untagged frames coming in a trunk link There is another very important angle to this concept. WebIf I remove vlan 1 from a trunk but don't change the default native vlan, does this mean that any vlan 1 data traffic traverses the trunk. I would think that al though it's disallowed the trunk won't recognise it as vlan 1because it is not tagged and hence will pass regardless of being disallowed on the trunk WebThe network administrator has configured the Cisco Meraki uplink port as trunk mode, native VLAN 1, allowed VLANs 1,10,20,30, and the non-Meraki switch to the left as its default configuration of trunk mode, native VLAN 1, allowed VLANs 1. sharing activity for kindergarten