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| blackwidow 2003-08-27, 6:33 pm |
| You have four routers configured to exchange routes with one another. Using Rip V2 you set passwords on all four to exchange routes.
The interfaces are configured with proper IP addresses, and before you had set the passwords the network was working just fine.
Yet no routes get exhanged now and cross-subnet traffic is not going through.
What's the problem?
(Read carefully. You can find the trick in the question itself.) | |
| jeff_j_black 2003-08-28, 12:01 am |
| Something to do with the plural form of a word? | |
| blackwidow 2003-08-28, 12:04 am |
| Uh Jeff, i'm not trying to stump people on grammar. 
Nah, it's something else. | |
| jeff_j_black 2003-08-28, 12:40 am |
| Aw, that's low, there's nothing wrong with my grandma...
Okay folks! Let's here it? | |
| blackwidow 2003-08-28, 12:42 am |
| Hold on.. let me roll up my sleeves....
alright.
Bring it on! | |
| karlisi 2003-08-28, 2:17 am |
| Perhaps passwords are not the same on all routers? Just guess... | |
| blackwidow 2003-08-28, 2:48 am |
| Applause for Karlisi. Your guess is in fact correct and the trick in the question. Good job.
I only said in the question that passwords were set, but did not say they were the same. For adjacent routers to exchange routes using RIPV2, if you are going to set passwords, they have to be identical for two or more to communicate the routes.
See, it's not that tough even without the multiple choice stuff. | |
| karlisi 2003-08-28, 3:31 am |
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| nero64 2003-08-28, 5:49 am |
| Here's a tough one from the MS book.
Your admin for a W2K server. The server computer on the network uses Routing Information Protocol(RIP).
You have been informed that the RIP routers are not receiving expected routes. What can you check to resolve the problem?(choose all that apply)
A. Ensure that RIP authentication is enabled.
B. Ensure that you have configured RIP peer filtering.
C. ensure that you are not deploying variable-length subnetting.
D. ensure that IP Packet filtering is not preventing the input or output of RIP announcements.
Tough one. If you got it first go then you either know your stuff or you did a lucky guess. | |
| karlisi 2003-08-28, 7:29 am |
| quote:
Originally posted by nero64
Tough one. If you got it first go then you either know your stuff or you did a lucky guess.
Yep! It is difficult question. And I missed them  | |
| Ngittins 2003-08-28, 6:01 pm |
| The answer is
C | |
| karlisi 2003-08-29, 12:36 am |
| The answers are A, B, C, D (I missed B at first guess) | |
| nero64 2003-08-29, 9:43 am |
| The MS book says C & D.
But yeah i was scratching my head to. Maybe if i did the extra reading that MS recommend then i would understand stuff like this. | |
| Ngittins 2003-08-29, 7:56 pm |
| Yeah but then again this is something that you should know really well be for you do the exam. Judging by your certs this shouldn't really be a problem for you. | |
| blackwidow 2003-08-29, 8:09 pm |
| the problem with some questions (theory) is that some important stuff is not clear.
In this question, the word "Ensure" kind of means "Make sure", which would make all answer choices really strange.
Then, question does not say which other routers the win2k server is exchanging with, and how many adjacent ones are having the problem. If this is the only router, what' the RIP for anyway?
Also, only RIP is mentioned, but which version (1 or 2 for incoming and outgoing is important to know). And what protocols are being accepted on adjacent routers is also another variable not known.
Based on all of this and the wording of the question, i refrain from answering it altogether. | |
| karlisi 2003-08-30, 8:22 am |
| quote:
Originally posted by nero64
The MS book says C & D.
But yeah i was scratching my head to. Maybe if i did the extra reading that MS recommend then i would understand stuff like this.
From MS TechNet
http://www.microsoft.com/technet/pr...sp?frame=true#b
quote:
Troubleshooting RIP for IP
RIP routers are not receiving expected routes
Verify that you are not deploying variable length subnetting, disjointed subnets, or supernetting in a RIP v1 or mixed RIP v1 and RIP v2 environment.
If authentication is enabled, verify that all interfaces on the same network are using the same case-sensitive password.
If RIP peer filtering is being used, verify that the correct IP addresses for the neighboring peer RIP routers are configured.
(...)
Verify that IP packet filtering is not preventing the receiving (through input filters) or sending (through output filters) of RIP announcements on the router interfaces enabled for RIP. RIP traffic uses UDP port 520.
(...)
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| nero64 2003-08-30, 10:02 am |
| Yeah i see the point about A,B,C,D. Makes it confusing when you read conflicting answers from the same source. Doesn't help us at all. |
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