| QoS is a big topic on your BCMSN and CCNP
| |
| | be configured on the appropriate
|
| exams, and for good reason. As more and
| |
| | distribution layer switches.Any traffic
|
| more traffic flows through today's
| |
| | received by core switches should already
|
| networks, accurately applying QoS to both
| |
| | be classified and marked as needed. The
|
| your routers and switches becomes more
| |
| | key with core switches is to use a simple
|
| important.Note the phrase "accurately
| |
| | queuing setup to keep the switching
|
| applying". You must have a plan in place
| |
| | process fast. Fast, fast,
|
| before you start configuring QoS on your
| |
| | fast!Real-world note - Low Latency
|
| switches, and to create such a plan you
| |
| | Queuing (LLQ) is an excellent choice for
|
| should use Cisco's Three-layer
| |
| | core switches. The name says it all -
|
| Hierarchical Model.This model breaks
| |
| | low latency! The configuration of LLQ is
|
| switches down into three main groups -
| |
| | not a BCMSN topic, but a quick search on
|
| Access, Distribution, and Core. You're
| |
| | the term low latency queuing will quickly
|
| familiar with these groups from your CCNA
| |
| | bring up several Cisco LLQ configuration
|
| studies, and now you've got to apply this
| |
| | documents.Knowing the three layers of
|
| knowledge.The QoS workload should be
| |
| | Cisco's networking model and the basic
|
| borne by the Access and Distribution
| |
| | QoS operation and commands is vital to
|
| layers, because the Core layer switches
| |
| | passing the CCNP exams, but even more
|
| need to be left alone as much as possible
| |
| | importantly, you've got to apply this
|
| to their primary purpose -
| |
| | knowledge carefully and accurately to
|
| switching!Traffic should generally be
| |
| | make QoS work for you in today's
|
| classified and marked at the Access
| |
| | production networks.Chris Bryant, CCIE
|
| layer. This allows traffic to be
| |
| | #12933, is the owner of The Bryant
|
| assigned the desired QoS values and carry
| |
| | Advantage, home of free CCNP and CCNA
|
| that value throughout the network.If you
| |
| | tutorials, The Ultimate CCNA Study
|
| choose to change CoS-DSCP mappings, this
| |
| | Package, and Ultimate CCNP Study
|
| will generally be done at the
| |
| | Packages.You can also join his RSS feed
|
| Distribution layer. Since distribution
| |
| | and visit his blog, which is updated
|
| layer switches will be receiving frames
| |
| | several times daily with new Cisco
|
| and packets with QoS values from the
| |
| | certification articles, free tutorials,
|
| access layer switches, the appropriate
| |
| | and daily CCNA / CCNP exam questions!
|
| "trust" and "no trust" statements should
| |
| | Details are on the website.
|
