For lab of vtp lab sim-1 the interface connecting both
switches ALS and DLS must be in trunking mode to support vtp and updates. So
first of all you should configure them in trunk.
Secondly, place all config of
vlan creation/add/deletion etc. on DLS switch as it is in distribution layer and is in server mode by default as
per any campus style architecture. The DLS is server and ALS is client. ALS will take all vlan config via VTP updates from DLS. The vtp messgage type includes:
-Summary advertisements-Subset advertisement
-Advertisement requests
-VTP join messages
Use the
same domain name for it to run with MD5 match if provided. Always don't forget to check the md5 hex
value which should be same.
Run ip routing command for DLS switch to make it understand that the switch
will be used as multi layer switch. So that it will route packets from one vlan
to other. Subsequently, create vlan SVI
with proper vlan id and give them their IP address. At least one port must
belong to that vlan SVI to come up otherwise the protocol will always show
down while L1 connectivity remains up.
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