Members

Blog Posts

Sports Gun Market Expected to Reach $2,779.0 Million by 2027

Posted by sarika on May 27, 2022 at 10:54am 0 Comments

According to a new report published by Allied Market Research, titled, “Sports Gun Market By Gun Type, Application, And Distribution Channel: Global Opportunity Analysis And Industry Forecast, 2020–2027,” the global sports gun market is expected to reach $2,779.0 Million by 2027 at a CAGR of 9.7%from 2020 to 2027.Sports gun is non-lethal weapon which is used in shooting sports such as target shooting, Benchreat shooting, popinjay, Clay pigeon shooting, trap shooting, metallic silhouette… Continue

How to Pick What to Include In Your Nursing Assignment

Posted by Eddy Smith on May 27, 2022 at 10:53am 0 Comments

In the course of learning, students are always advised to sharpen their skills. Subsequently, they are also encouraged to think critically and analytically. After this, they are empowered to answer questions, write reports, and solve problems. Therefore, the education department anticipates that teachers will equip themselves with specific equipment for solving these tasks. These tools enable the instructors to keep an eye on the taught lessons. This enables the educators to Effectively…

Continue

Travel Planner Or Travel Agency-Why You Need One

Posted by Toso Tour LLC on May 27, 2022 at 10:52am 0 Comments

Arranging the hotly anticipated get-away is something which everybody appreciates, except why not let the travel planner take all the pressure of arranging it? You may be exceptionally amped up for it from the start, and it's OK, as it's a hotly anticipated get-away and you need to have some good times and delight, however, you first need to comprehend that it's a tedious job and you lack the opportunity to design the much-anticipated excursion. This is the thing…

Continue

Does Your SV388 Pass The Test? 7 Things You Can Improve On Today

Cisco CCNP / BSCI Exam Tutorial: Introduction To Policy Routing

Policy routing is a major topic on your BSCI exam, and you’ll find quite a bit of policy routing going on in today’s production networks. But what exactly is policy routing?

Policy-based routing, generally referred to as “policy routing”, is the use of route maps to determine the path a packet will take to get to its final destination. As you progress through your CCNP studies and go on to the CCIE (or to a Cisco Quality Of Service certification), you’ll find that traffic can be “marked” by policy routing in order to give different levels of service to various classes of traffic. (This is done by marking the traffic and placing the different classes of traffic in different queues in the router, allowing the administrator to give some traffic higher priority for transmission.)

There are SV388 some basic policy routing rules you should know:

Policy routing doesn’t affect the destination of the packet, but does affect the path that is taken to get there.

Policy routing can forward traffic based on the source IP address or the destination IP address (with the use of an extended ACL).

Policy routing can be configured at the interface level, or globally.

Applying policy routing on an interface affects only packets arriving on that interface:

R2(config)#int s0

R2(config-if)#ip policy route-map CHANGE_NEXT_HOP

Applying the policy globally applies the route map to packets generated on the router, not on all packets received on all interfaces.

Whether you’re running policy routing at the interface level, on packets created locally, or both, always run the command show ip policy to make sure you’ve got the right route maps on the proper interfaces.

R2#show ip policy

Interface Route map

local CHANGE_NEXT_HOP

Serial0 CHANGE_NEXT_HOP

And here’s the big rule to remember….

If a packet doesn’t match any of the specific criteria in a route map, or does match a line that has an explicit deny statement, the data is sent to the routing process and will be processed normally. If you don’t want to route packets that do not meet any route map criteria, the set command must be used to send those packets to the null0 interface. This set command should be the final set command in the route map.

There are four possibilities for an incoming packet when route maps are in use. The following example illustrates all of them.

R2(config)#access-list 29 permit host 20.1.1.1

R2(config)#access-list 30 permit host 20.2.2.2

R2(config)#access-list 31 permit host 20.3.3.3

R2(config)#access-list 32 permit host 20.4.4.4

R2(config)#route-map EXAMPLE permit 10

R2(config-route-map)#match ip address 29

R2(config-route-map)#set ip next-hop 40.1.1.1

R2(config-route-map)#route-map EXAMPLE permit 20

R2(config-route-map)#match ip address 30

Assuming the route map has been applied to the router’s ethernet0 interface, a packet sourced from 20.1.1.1 would meet the first line of the route map and have its next-hop IP address set to 40.1.1.1.

A packet sourced from 20.2.2.2 would match the next permit statement (sequence number 20). Since there is no action listed, this packet would return to the routing engine to undergo the normal routing procedure. All traffic that did not match these two addresses would also be routed normally – there would be no action taken by the route map.

Perhaps we want to specifically block traffic sourced from 20.3.3.3 or 20.4.4.4. We can use multiple match statements in one single route map, and have packets matching those two addresses sent to the bit bucket – the interface null0.

R2(config)#route-map EXAMPLE permit 30

R2(config-route-map)#match ip address 31

R2(config-route-map)#match ip address 32

R2(config-route-map)#set ?

as-path Prepend string for a BGP AS-path attribute

automatic-tag Automatically compute TAG value

comm-list set BGP community list (for deletion)

community BGP community attribute

dampening Set BGP route flap dampening parameters

default Set default information

extcommunity BGP extended community attribute

interface Output interface

ip IP specific information

level Where to import route

local-preference BGP local preference path attribute

metric Metric value for destination routing protocol

metric-type Type of metric for destination routing protocol

origin BGP origin code

tag Tag value for destination routing protocol

weight BGP weight for routing table

R2(config-route-map)#set interface null0

Any traffic matching ACLs 31 or 32 will be sent to null0, resulting in its being discarded by the router. Any traffic that didn’t match any of the route map statements will be returned to the routing engine for normal processing.

Knowing policy routing and how to apply it are essential skills for passing the BSCI exam, earning your CCNP, and becoming more valuable in today’s job market. Get some hands-on practice in a CCNA / CCNP home lab or rack rental to go along with learning the theory, and you’ll be writing and applying policy routing in no time at all.

Views: 4

Comment

You need to be a member of On Feet Nation to add comments!

Join On Feet Nation

© 2022   Created by PH the vintage.   Powered by

Badges  |  Report an Issue  |  Terms of Service