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Properway to right a network statement.
So I'm going through the Route and have always typed out the network statement under EIGRP/OSPF with out much thought. So the test networks I always use are 10.2.76.1 255.255.254.0, 10.2.78.1 255.255.254.0, 172.16.1.1 255.255.255.0 EIGRP network 10.2.76.0 network 10.2.78.0 network 172.16.1.0 OSPF network 10.2.76.0… -
Re: Properway to right a network statement.
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Re: Properway to right a network statement.
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Re: Properway to right a network statement.
I always prefer to use 0.0.0.0 network statements in a production environment along with passive-default. On the newer IOS releases that support interface based OSPFv2 config I much prefer that. In a lab I just do whatever. I usually use the 10/8 for my router links and do a 10.0.0.0 0.255.255.255 network statement so I… -
Re: Properway to right a network statement.
Just started to watch the Cisco Video Mentor CCNP Route video series from Kevin Wallace and boy is it good. He throws a lot of cool tips as he goes. One was a short cut for writing your wildcard statements. You take 255 minus each octet. So if you have 255.255.254.0, you subtract 255 from each which leaves you 0.0.1.255.… -
Re: Properway to right a network statement.
What networker050184 said. I prefer -- router eigrp 1 no auto-summary network 0.0.0.0 passive-interface default no passive-interface FastEthernet 0/0 no passive-interface Serial 0/0 exit That said, you will be expected [on Cisco exams] to know how to write a network statement for a specific subnet or interface. BTW, I… -
Re: Properway to right a network statement.
In a production environment I would want to be exact with network statements. It's sloppy to do like, 0.0.255.255 or something similar. Oh, and it's a security thing - if you enable a new interface then you could have OSPF going off in directions you don't want. In a lab, I generally don't care though. -
Re: Properway to right a network statement.
That is not what I meant theodoxa sorry for the confusion. What I prefer is what FloOz put. A /32 network statement with the interface IP. If I was going to use your method I'd use whatever block you are going to address your router to router links off rather than a blanket everything. I really like to control what get's… -
Re: Properway to right a network statement.
I think a lot has to do with the design, I mean why would you want stuff that's non area zero with anything other than it's own area and a default route towards A0 anyway? Inside A0 I'm sure I read like, 500 routers should be in A0, so that by itself can create a few thousand routes if we imagine that each router has a leg… -
Re: Properway to right a network statement.
So here is another question I thought of while watching the video series and it deals with route summarization. What is the rule for how may routes have to be on a router before you have to summarize? OSPF was written on a cave wall and we Cisco students tell the stories to our children of our elders ways. I mean…
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