Routing and Switch, Data Center Technology, Configuration, Troubleshooting, Setup and Design Architecture.
What is point of presence (POP)? A point of presence is an artificial demarcation point OR interface point between communicating entities. It may include a meet-me-room. In the US, this term became important during the court-ordered breakup of the Bell Telephone system. A point of presence was a location where a long-distance carrier could terminate […]
Point of Presence (POP) Read More »
3 major network performance indicators / Base for network troubleshooting: – Latency is the time required to vehiculate a packet across a network. Latency may be measured in many different ways: round trip, one way, etc… Latency may be impacted by any element in the chain which is used to vehiculate data: workstation, WAN links, routers,
Network Performance: Links Between Latency, Throughput, and Packet Loss Read More »
Cisco Express Forwarding (CEF) is advanced, Layer 3 IP switching technology. CEF optimizes network performance and scalability for networks with large and dynamic traffic patterns, such as the Internet, on networks characterized by intensive Web-based applications, or interactive sessions. Layer 3 switch process a. Process switching – Requires the CPU to be personally involved with
Understanding CEF? 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
