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AAAHHH, when I was typing you the response, I just understood what you said and the solution.
RIP update task is not related to no validate source command.
The other interface is getting (Serial) its IP from DHCP. So, the “no validate-update-source” command belongs to the DHCP address task which it was in task 3.1.
Great, thanks. I should have figured this out, but I got focused too much on the rip updates on this task.
Thanks.

—–Original Message—– From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of Sean C. Sent: Sunday, September 03, 2006 1:01 PM To: CharlesB; ccielab@groupstudy.com Subject: Re: InternetworkExpert Ver3 Lab 13 Task 4.2 RIP
HI Charles,
I don’t have the lab in front of me, but if I had to guess, I’d ask what is R4’s addy and is it in the same subnet as it’s neighbor on the RIP link. Is the addy different (ip unnumbered loop) or is R4 receiving it’s address from somewhere else (i.e. DHCP)?
Just guessing (I think I remember seeing this in one of their labs), Sean —– Original Message —– From: “CharlesB” To: “tonynguyenchi” ; Sent: Sunday, September 03, 2006 9:24 AM Subject: RE: InternetworkExpert Ver3 Lab 13 Task 4.2 RIP
Group, I am sorry to resurrect this topic again, but I think I am still not clear.
I understand and read the other emails about this rip do not send/receive updates on this ethernet interface, using distro lists, access lists etc. But my point here is to understand the provided solution by IE.
It seems that redistribution of the network block in to RIP by redistro connected does accomplish the task. I did debug the rip updates and events. No rip sent on this interface and no rip updates received on this interface when redistro connected solution used.
But what is the point of “no validate-update-source” here. I know that the command and what it does, but I just could not relate it to this task.
router rip version 2 no validate-update-source redistribute connected metric 1 route-map CONNECTED2RIP network 139.1.0.0 network 150.1.0.0 no auto-summary
route-map connected2rip permit 10 match interface FastEthernet0/0
r4#sh ip int brie Interface IP-Address OK? Method Status Prot ocol FastEthernet0/0 204.12.5.4 YES manual up up

—–Original Message—– From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of tonynguyenchi Sent: Thursday, August 31, 2006 2:34 AM To: ccielab@groupstudy.com Subject: InternetworkExpert Ver3 Lab 13 Task 4.2 RIP
Dear Group,
The task requires: configure R4 to advertise the 204.12.1.0/24 (F0/0) subnet via RIP, but do not send and receive RIP update on this interface.
Can I do this as the following:
router rip version 2 passive-interface FastEthernet0/0 network 139.1.0.0 network 150.1.0.0 network 204.12.1.0 distribute-list BLOCK_RIP in FastEthernet0/0 no auto-summary ! ip access-list standard BLOCK_RIP deny any
Thanks and best regards,
Tony