Queuing and WFQ

Queuing comes into action when the interfaces are congested. Queuing techniques are used to manage the congestion. The reasons for a physical interface to experience congestion may be 1. Speed mismatched (traffic moving from LAN to WAN) 2. Traffic aggregation ( Traffic coming to one location from multiple...
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IP SLA

IP SLA stands for IP Service Level Agreement and it is a built in tool forĀ  testing and analyzing various network parameters like overall health of the network, or verify if the QoS is working properly. It is also a very handy tool in troubleshooting various network problems....
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Q-in-Q Tunneling

Q-inQ Enables the Service Provider to carry and transport the customer VLANs across the provider switches. When the Service Provider carries VLANs from multiple customers across their network infrastructure, one of the potential problem can be that the customer VLAN number is already being used in the service...
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Private VLANs

Using Private VLANs provides a very elegant solution to two of the most challenging problems in an ISP based switched network 1. Using Private Vlans can delay the VLAN exhaustion when you are almost out of the entire VLAN space. This can possibly happen when you are an...
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MSTP (802.1S)

Multiple Spanning Tree Protocol With Per Vlan Spanning Tree protocol, you can have a different spanning tree topology per Vlan, with Root Switch for one vlan on a switch and Root Switch for another vlan on another switch. If you have a large number of vlans then each...
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