What is distribute list in OSPF?

The distribute-list command is used to filter routes from being installed in the routing table or redistributed into another routing protocol, it does not filter LSAs. Using the distribute-list command in the inbound direction is used to filter routes to be installed in the routing table.

What is distribute list in networking?

A distribute-list is used to control routing updates either coming TO your router or leaving FROM your router. Distribute-lists work on a variety of different IOS routing protocols. Because of that, learning how to use distribute-lists is very valuable.

What is distribution list in routing?

A distribution-list is used to control routing update either coming to your router or leaving from the router. Distribution-lists work on a variety of different IOS routing protocols like EIGRP, RIP, and OSPF.

What is BGP distribute list?

The distribute list performs route filtering based on IP network addresses and netmasks of routes being advertised. The distribute list refers to an ACL to match networks and netmasks. In fact, the use of distribute list for a particular BGP neighbor can be in any of particular direction i.e. either in or out.

What is the difference between prefix list and distribution list?

The most notable and important difference is that a prefix-list allows you to filter networks also based on their subnet mask. ACLs used in distribute list filter networks only by network addresses but they do not perform matching on subnet mask (in other words, for an ACL used in distribute list, the networks 192.0.

Where is the outbound distribute list applied in the configuration?

Refer to Chapter 8. Question 53 Where is the outbound distribute list applied in the configuration? Under BGP configuration with the neighbor command.

Can I use the distribute list in out command with OSPF to filter routes?

OSPF routes cannot be filtered from entering the OSPF database. The distribute-list in command filters routes only from entering the routing table, but it doesn’t prevent link-state packets (LSP) from being propagated. The command distribute-list out works only on the routes being redistributed by the ASBR into OSPF.

What is the difference between route map and prefix list?

Prefix-list syntax is easier to understand and more flexible. But using route-maps is much more flexible and powerful: you can match also other prefix attributes (not only IP addresses) and also to modify them when the route-map is applied!

When to use a distribute-list and access-list?

We can use a distribute-list for this, to keep it simple I’ll combine it with an access-list; When we want to remove something from the routing table we have to apply it inbound. The outbound distribute-list is used for LSA type 5 filtering.

How do I use EIGRP to distribute a list of routes?

Go to the configuration of the EIGRP process and use the distribute-list command to see your options. As you can see we can choose between an access-list, a prefix-list or a route-map.

What is the outbound distribute-list used for?

The outbound distribute-list is used for LSA type 5 filtering. Let’s create that access-list: It will now be gone from the routing table: As you can see it’s gone…it’s still in the LSDB though: