Hi Guys,
Sorry if any of this has been posted before, but i have searched through
my archive of CCIE_RS posts and couldn't find anything relating to my
queries. P.S when i search at the blog web page at ipexpert, it doesn't
return any filtered results at all?? just the same posts on the front
page that are always there!
Just completed this Lab and found it great. Feel really at home with RIP
now and loved the way it pulled in other areas to various solutions.
I have a few questions to clarify, and few approached to check the
validity on etc etc.
my first question is just a general approach question. starting at task
1.1 when setting up rip on all routers. I took the approach of network
0.0.0.0 to enable it on all interfaces, knowing that i was going to
explicitly passive interface those not relevant. in the DSG, however
they go ahead an enable on specific networks for the relevant
interfaces. For production and protocols such as OSPF etc, i appreciate
the benefit of this, although with RIP's classless network command...
and the fact that we know we will want RIP every place this didn't seem
like the best approach for the lab. each to their own of course, but it
seem to me that this added in initial set up work, and then further work
every time a new interface was brought into play, or changed as per the
later tasks? Just wanted to check there was no reason not to do
0.0.0.0. I certainly didn't spot one in the lab requirements...
Another slightly general mismatch between my config and the DSG, was for
task 8.2, i included the summary route to point to the BB routers as well.
Task 8.4. was a nasty one! i am happy to say that i correctly diagnosed
that this needed to be a solution, outside of the box. However i chose
a different one, and interested to see if it would be deemed valid.
instead of NAT, i built a GRE tunnel directly between router 7 and 9
(included in RIP). I then turned that serial link into a passive
interface so that no multicasts would flow across it. Technically, the
only packets traversing the 150.100.78.0/24 subnet would be unicast GRE
encapsulated RIP multicasts. would this be suitable? atleast i now
have the experience to use NAT as well.
finally, task 8.8, the serial interface is reconfigured in to two
multipoint interfaces, and each is configured with the same IP address..
? again referring to Marko's Audio course, this is not supposed to be a
good idea.. IDB's etc? why is it acceptable in this case? i chose to
split them all out into point to points, and re-ip address them with in
the 150.100.100.0/24 subnet. Valid solution?
Thanks anyone you can spare the time!!
on to Lab 9 :)
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