The VLAN ID specifies where 802.1Q tagged packets are sent and received on a specified subinterface. An 802.1Q VLAN subinterface must have a configured VLAN ID to send and receive traffic; without a VLAN ID, the subinterface remains in the down state. All VLAN IDs must be unique among all subinterfaces configured on the same […]
Different physical interfaces with same Vlan ID Read More »
I. Overview We all know that in cisco in order to communicate vlans between different switches is we need to create a “Trunk Links” to pass the vlan traffic. Cisco switchport modes: 1. Dynamic – Pro-active DTP negotiation will begin and if the other-side is set to trunk, desirable, or auto. The interface will become a trunk.
How vlan Works on HP Switches Read More »
1. What is SPT? 2. What is BPDU? 3. BPDU send’s update every? 4. Criteria to be a root bridge? 5. What mac address are we using to BID? 6. PVSTP? 7. If we have 15 vlan how many instance we create on PVST? 8. RSTP? 9. If we have 15 vlan how many instance
