RSTP defined new 4 port roles:-
1. Root Port (Old One)
2. Designated Port (Old One)
3. Alternate Port (New One)
4. Backup Port (New One)
Alternate Port:- The alternate port is the port blocked by superior BPDU from a different bridge.
Backup Port:- The backup port is the port blocked by the BPDU sent from the same switch.
SDN and NFV is the next phase of technology change which will help service provider to launch the services in single click. This is all about the programmability of the networks by using open source software defined network controller.
Sunday, May 20, 2012
Rapid Spanning Tree Capsule
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