The default allocation range is between VLAN 1006 and VLAN 4094.
| No Format |
|---|
## 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 |
The default settings might cause vlan collision if a internal vlan is in use already
| No Format |
|---|
d1(config)#show vlan internal usage
3006 Ethernet49/1
3007 Ethernet50/1
d1(config)#vlan 3006
% VLAN 3006 is in use as an internal VLAN. Cannot create it. |
Dynamic vlans will just move dynamically as is seems
| No Format |
|---|
d1(config)#show vlan dynamic
Dynamic VLAN source VLANS
dot1x NONE
dynvtep NONE
evpn 3997-3999
d1(config)#vlan 3997
d1(config-vlan-3997)#name test
d1(config-vlan-3997)#end
d1#show vlan dynamic
Dynamic VLAN source VLANS
dot1x NONE
dynvtep NONE
evpn 3996,3998-3999 |
Do not set a dynamic vlan range outside of internal range. Things does not really work as intended
| No Format |
|---|
d1(config)#vlan dynamic range 4000 - 4094
d1(config)#show vlan dynamic
Dynamic VLAN source VLANS
dot1x NONE
dynvtep NONE
evpn NONE <-- Something went wrong
d1(config)#show ip route vrf MGMT
VRF: MGMT
..
Gateway of last resort:
C 10.42.0.0/24 is directly connected, Vlan700
C 10.101.2.2/32 is directly connected, Loopback1
C 10.101.3.0/24 is directly connected, Vlan30
B E 10.101.4.6/32 [200/0] via
via
B E 10.101.4.0/24 [200/0] via
via
S 10.101.100.0/24 [1/0] via 192.168.2.25, Vlan99
C 192.168.0.0/24 is directly connected, Vlan1
C 192.168.2.0/24 is directly connected, Vlan99
S 192.168.222.0/24 [1/0] via 192.168.2.25, Vlan99
d1(config)#no vlan dynamic range
d1(config)#show vlan dynamic
Dynamic VLAN source VLANS
dot1x NONE
dynvtep NONE
evpn 3993-3995
d1(config)#show ip route vrf MGMT
VRF: MGMT
..
Gateway of last resort:
B E 0.0.0.0/0 [200/0] via VTEP 10.101.0.4 VNI 100001 router-mac fc:bd:67:e3:5e:dd
C 10.42.0.0/24 is directly connected, Vlan700
B E 10.101.2.0/32 [200/0] via VTEP 10.101.0.0 VNI 100001 router-mac fc:bd:67:d0:e6:bd
B E 10.101.2.1/32 [200/0] via VTEP 10.101.0.1 VNI 100001 router-mac fc:bd:67:d0:fb:5d
C 10.101.2.2/32 is directly connected, Loopback1
B E 10.101.2.3/32 [200/0] via VTEP 10.101.0.3 VNI 100001 router-mac fc:bd:67:b7:68:c9
B E 10.101.2.4/32 [200/0] via VTEP 10.101.0.4 VNI 100001 router-mac fc:bd:67:e3:5e:dd
B E 10.101.2.5/32 [200/0] via VTEP 10.101.0.5 VNI 100001 router-mac fc:bd:67:e3:4b:f7
C 10.101.3.0/24 is directly connected, Vlan30
B E 10.101.4.6/32 [200/0] via VTEP 10.101.0.5 VNI 100001 router-mac fc:bd:67:e3:4b:f7
via VTEP 10.101.0.4 VNI 100001 router-mac fc:bd:67:e3:5e:dd
B E 10.101.4.0/24 [200/0] via VTEP 10.101.0.5 VNI 100001 router-mac fc:bd:67:e3:4b:f7
via VTEP 10.101.0.4 VNI 100001 router-mac fc:bd:67:e3:5e:dd
S 10.101.100.0/24 [1/0] via 192.168.2.25, Vlan99
B E 10.103.0.0/31 [200/0] via VTEP 10.101.0.4 VNI 100001 router-mac fc:bd:67:e3:5e:dd
B E 172.30.89.1/32 [200/0] via VTEP 10.101.0.4 VNI 100001 router-mac fc:bd:67:e3:5e:dd
C 192.168.0.0/24 is directly connected, Vlan1
B E 192.168.1.0/24 [200/0] via VTEP 10.101.0.0 VNI 100001 router-mac fc:bd:67:d0:e6:bd
C 192.168.2.0/24 is directly connected, Vlan99
S 192.168.222.0/24 [1/0] via 192.168.2.25, Vlan99
B E 193.10.255.104/32 [200/0] via VTEP 10.101.0.4 VNI 100001 router-mac fc:bd:67:e3:5e:dd
|