Today I faced a problem and I want to discuss it with you, I have 3 MLS switches ( SW1:3750, SW2:3550, SW3:3560 ) connected to each other by trunks. SW1 connected SW2 and SW2 connected to SW3. all Trunks allowed all VLANs and ( VTP version 2 , null VTP domain name all switches).
SW1 connected to PE router and SW2 & SW3 to customers.
Q1: which one should be VTP Server, and others to be transperant? best practice!!
SW1 connected to PE router and also connected Trunk to SW2 and then SW2 trunked to SW3, all the customers terminated on SW2 and SW3 (as access layer switches).
VTP domain name is null
VTP version 2
We make SW1 as a VTP server and SW2+SW3 VTP transparent.
Note; all trunk allowed all vlans
Then I add VLAN in SW3 ( customer terminated in this switch) and I add the vlan manaullay to SW1 and SW2 to pass it but the customer can't reach our services, then I make SW1 and SW2 as a VTP transparent and SW3 to be as a VTP server with add the vlan manaullay to SW1 and SW2 ----> then everythings are working fine.
So I need your help why this thing happend with me and as I know even by this way should work? , please correct me.
VTP has gone out of fashion, so people just make the mode transparant, but then you have to configure the required Vlans on all the switches (if you are using trunks and there is not a vlan access port for that vlan on the switch) so I still like to have a server, and make the others clients, then any vlan change you do on the server vlan gets propagated to the clients
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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