CCIE R&S Written

Preparation for CCIE certification.

8 cards   |   Total Attempts: 188
  

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Name 3 ways to filter Type 3 LSAs
Distribute-list
area x filter-list /
area x range n/n not-advertise
Describe the area x filter-list / command
It goes under the router ospf process, when using the "in" keyword you will be filtering type 3 LSAs going into the configured area. "out" keyword is for filtering type 3 LSAs coming out of the configured area.
What are three ways to prevent suboptimal routing when using mutual redistribution at multiple routrers?
Administrative Distance
Route Tags
Metrics & Metric Types
Under RIP, EIGRP and IS-IS routing process, how does the "distance" command work?
distance {distance-value ip-address {wildcard-mask} [ip-standard-list] [ip-extended-list]
-the AD to be set, the IP address of the router advertising the routes, optionally, an ACL which matches routes. With these routing protocols "ip-address" parameter identifies the neighboring router's interface address.
Under OSPF routing process, how does the "distance" command work?
distance {distance-value ip-address {wildcard-mask} [ip-standard-list] [ip-extended-list]
-the AD to be set, the IP address of the router advertising the routes, optionally, an ACL which matches routes. With OSPF routing protocols "ip-address" parameter identifies the RID of the router owning (creating) the LSA for the route.
When using Route Tags to prevent suboptimal routing loops, you should tag all routes taken from the ________ AD domain and advertise INTO the _________ AD domain.
Higher
lower
What is a negative side effect of tagging and filtering redistributed routes?
The redistribution routers don't have the alternate route due to the fact that they filtered the routing advertisement. Although, internal routers will.
How is the BGP router ID determined?
In order:
The bgp router-id command
The highest IP of an up/up loopback at the time that the BGP process starts.
The highest IP of another up/up interface at the time the BGP process starts.