Internal VLANs are allocated for L3 interfaces etc. The default allocation range is between VLAN 1006 and VLAN 4094. Internal VLANS are assigned either in ascending (default) order starting with the lowest number and dynamic VLANS ( EVPN / VRF's ) are assigned from the other end of the range.
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## default d1#show vlan internal allocation policy Internal VLAN Allocation Policy: ascending Internal VLAN Allocation Range: 1006-4094 ## Specify range d1#show running-config section internal vlan internal order ascending range 3006 3999 d1#show vlan internal allocation policy Internal VLAN Allocation Policy: ascending Internal VLAN Allocation Range: 3006-3999 d1#show vlan internal usage 3006 Ethernet49/1 3007 Ethernet50/1 # Specify dynamic range as well d1(config)#vlan dynamic range 3900-3999 d1(config)#show vlan dynamic Dynamic VLAN source VLANS dot1x NONE dynvtep NONE evpn 3997-3999 |
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