From: Gary Lee (gary.tf.lee@gmail.com)
Date: Tue Oct 16 2007 - 06:40:31 ART
Hi Antonio,
Thanks, I have tried to use the same IOS as yours and it works.
Not quite sure is it the problem of the particular IOS I used (
c3640-ik9o3s-mz.124-5c.bin on 3640). I will check about this when later
Gary
On 10/16/07, Antonio Soares <amsoares@netcabo.pt> wrote:
>
> This must be related with the IOS release you have in FRS. See here what
> should happen:
>
> ++++++++++++++++++++
> Rack1R4#sh arp
> Protocol Address Age (min) Hardware Addr Type Interface
> Internet 10.10.10.4 - c205.0154.0000 ARPA
> FastEthernet0/0
> Internet 10.10.10.5 0 c206.0154.0000 ARPA
> FastEthernet0/0
> Rack1R4#
> Rack1R4#
> Rack1R4#
> Rack1R4#
> Rack1R4#ping 5.5.5.5
>
> Type escape sequence to abort.
> Sending 5, 100-byte ICMP Echos to 5.5.5.5, timeout is 2 seconds:
> !!!!!
> Success rate is 100 percent (5/5), round-trip min/avg/max = 32/263/1084 ms
> Rack1R4#
> *Mar 1 00:02:01.279: IP ARP: creating incomplete entry for IP address:
> 5.5.5.5 interface FastEthernet0/0
> *Mar 1 00:02:01.283: IP ARP: sent req src 10.10.10.4 c205.0154.0000,
> dst 5.5.5.5 0000.0000.0000 FastEthernet0/0
> *Mar 1 00:02:01.411: IP ARP: rcvd rep src 5.5.5.5 c206.0154.0000, dst
> 10.10.10.4 FastEthernet0/0
> Rack1R4#
> ++++++++++++++++++++
> Rack1R4#sh ver | inc IOS
> Cisco IOS Software, 3700 Software (C3725-ADVENTERPRISEK9-M), Version
> 12.4(12), RELEASE SOFTWARE (fc1)
> Rack1R4#
> ++++++++++++++++++++
>
>
>
> Regards,
>
> Antonio Soares
> CCIE #18473 (R&S),CCNP,CCIP,JNCIA-ER
> http://pwp.netcabo.pt/amsoares/
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Gary
> Lee
> Sent: segunda-feira, 15 de Outubro de 2007 7:31
> To: ccielab@groupstudy.com
> Subject: ODR / proxy-arp problem
>
> I have a problem about proxy arp and ODR when doing the netmaster lab.
>
> There is an ethernet connection between a router R3 and another router
> FRS.
> The router R3 is the hub and FRS is a spoke router.
>
> I configured ODR in R3, and R3 can learn the routes from FRS. And the
> router
> FRS can also learn the default route from R3. Everything works normally.
>
> But there is a requirement in the lab that the default route should not
> appear in the routing table of any router. The answer of the lab said that
> after turned off ip routing of FRS, the router will then use proxy-arp to
> reach other networks.
>
> But what I found is that the solution does not work. I turned on debug
> arp,
> and did not see FRS to ask for the MAC address for networks other than the
> local subnet. Proxy arp was enabled in the ethernet of R3. Did I miss
> anything ?
>
> I found that some people also had this problem and asked before, but seems
> no one had an answer.
> Gary
>
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