Tips for CISCO LAB Certification Exam Success

15 Oct

CCIE RS Lab details: Spanning Tree Protocol

In the early days of network development, transparent bridges were an important role that had to be mentioned. It is much smarter than a hub that only amplifies and broadcasts signals. It will quietly record the source MAC address and port number of the data frame sent to it. The next time the packet that encounters the destination MAC address is sent from the port number in the record, unless the destination MAC address is not recorded, or the destination MAC address itself is a multicast addre

Category:Cisco Lab

15 Oct

CCIE Lab syllabus：Smart second generation—spanning tree protocol

Cisco quickly introduced the improved PVST+ protocol and became the default spanning tree protocol for switch products. The improved PVST+ protocol runs on VLAN 1 as the normal STP protocol, running the PVST protocol on other VLANs. The PVST+ protocol can communicate with STP/RSTP. The spanning tree state on VLAN 1 is calculated according to the STP protocol. On other VLANs, the common switch only forwards the PVST BPDUs as multicast packets according to the VLAN number. However, this does not a

Category:Cisco Lab

10 Oct

CCIE Lab brife Point: Maximum Transmission Unit (MTU)

How to identify the MTU in network layer as there is fragmentation happening in transport layer due to TCP/IP?

Category:Cisco Lab

27 Sep

CCIE lab Knowledge Point: Introduction to NetFlow

NetFlow is a toolkit released by Cisco for analyzing network packet information. Different schemes are customized according to different needs. Typically, it analyzes the source address and destination address of network data, analyzes various applications of traffic, or Statistics on the load of each port on the router. Statistics can be performed on the following parameters: addr, dstaddr, port, dstport, protocol, ToS, input interface, output interface, nexthop, masked, Packet count, byte coun

Category:Cisco Lab

27 Sep

CCIE Lab brife Point: Unicast Reverse Path Forwarding Unicast Reverse Path Forwarding

When the router receives a packet from an interface that has uRPF enabled, it will detect the source IP address of the packet and compare it with the routing entry in the routing table. After the judgment, if the source IP address is exported, it is indeed This is the interface that opened the uRPF, and the packet is forwarded, otherwise it is discarded.

Category:Cisco Lab

19 Sep

How much time will it take to pass the CCIE lab certification?

Just practice for ccie lab exam materials,it will take much less time to prepare the ccie lab certification. it just caculate the time you need to prepare the exam.Go CCIE R&S directly (written:1weeks+ lab:3–5 months)

Category:Cisco Lab

18 Sep

Passed ccie lab exam after two years of changes

I have been testing RS-CCIE lab for two years, and I feel very comforted to see that many people are still trying to realize their ccie lab dreams.

Category:Cisco Lab

17 Sep

CCIE lab exam module and scoring standard

CCIE lab exam is becoming moe and more popluar and lets talk about what is content and scoring standard?

Category:Cisco Lab

14 Sep

CCIE DC Written & lab learning & summary experience

Let me talk about the CCIE DC written and lab. In the more than two years of work before the written test, I was exposed to server and storage products, including ISCSI SAN BOOT and FC SAN BOOT, which were used in actual work. Before that, I was a pure IP network engineer.

Category:Cisco Lab

14 Sep

CCIE Service Provider written& lab exam updated to version v4.1

The CCIE Service Provider written and experimental exams have been updated from v4.0 to v4.1. The update made minor changes to the subject of the exam, including the unified version of the written and experimental exams, and clearly listed the changes in the exam and the proportion of each exam topic.

Category:Cisco Lab