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For questions about Spanning Tree Protocol (STP), originally defined by IEEE 802.1D, to prevent bridge loops at OSI layer-2.

2
votes
Mainly due to two reasons: Allow enough time for all bridges to hear the change in the topology. Avoid duplicate frames. From Understanding and Tuning Spanning Tree Protocol Timers see below: The …
answered Jan 7 '18 by DRP
4
votes
End election is validated when no more better (lower BID's) are received from neighbor switches. When the switches first come up, they start the root switch selection process. Each switch transmits a …
answered Jan 5 '18 by DRP
4
votes
eth.src is the media access control address (MAC address) of the device which is a unique identifier assigned to network interfaces for communications at the data link layer of a network segment. In …
answered Jan 18 '18 by DRP
2
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Let me break down as the following: STP is used when you have redundant paths in order to avoid an endless loop which can harm your network. Based on your topology A<->B<->C this is a straight topo …
answered Dec 20 '17 by DRP
3
votes
Regarding MSTP, is it possible to have different VLAN mapping for different regions ? Example: Region 1: Instance 1: VLAN 10,20,30 Instance 2: VLAN 40,50,60 Region 2: Instance 1: VLAN 1 …
answered Feb 4 '18 by DRP