Tag Archives: pvst

Issue#2: Packets were not seen at the egress interface in a snake test

Issue: Snake test is usually performed to check whether a device can handle traffic Tx/Rx to/from all active interfaces at line-rate. The snake test is usually performed as below; Traffic SENDER—- 0/1(Router)0/2 —- 0/3(same router)0/4—-0/5(same router)0/6— Traffic RECEIVER ports 0/1-2 … Continue reading

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STP: 802.1d and PVST

Traditional Spanning Tree Protocol: To avoid bridging loops in L2 network with redundant paths. Defined in IEEE 802.1d standard. Bridge Protocol Data Unit (BPDU)s’ are used to communicate among all switches(bridges). SRC MAC = Mac address of the port on … Continue reading

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