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Posted by Trendkill on July 10, 2008, 7:32 am
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On Jul 10, 6:23=A0am, "BigDaveKe...@googlemail.com"
> We have two 3825s, and I'm struggling to get them to talk to each
> other. =A0Interface GigabitEthernet0/0/0 (A HWIC-1GE-SFP with a
> 1000Base-T SFP) on each router is connected to the other with a
> tested straight cable - changing it to crossover makes no
> difference.
>
> router1:
> interface GigabitEthernet0/0/0
> =A0 description Connection to router2
> =A0 ip address 10.0.0.1 255.255.255.252
> =A0 negotiation auto
>
> router2:
> interface GigabitEthernet0/0/0
> =A0 description Connection to router1
> =A0 ip address 10.0.0.2 255.255.255.252
> =A0 negotiation auto
>
> And a bit of output showing the line is up:
>
> router1#show ip interface brief | include 0/0/0
> GigabitEthernet0/0/0 =A0 =A0 =A0 10.0.0.1 =A0 =A0 =A0YES manual up
> =A0 =A0 =A0down
>
> router2#show ip interface brief | include 0/0/0
> GigabitEthernet0/0/0 =A0 =A0 =A0 10.0.0.2 =A0 =A0 =A0YES manual up
> =A0 =A0 =A0down
>
> Now the problem - neither router can ping each other, and even though
> I
> believe these should show up as connected routes, they do not:
>
> router2#show ip route | include 10.0.0
> router2#
>
> router1#show ip route | include 10.0.0
> router1#
>
> Can anyone let me know if there's anything else I can provide that
> will help, or ideally tell me what I'm doing wrong?
First, I think you need a crossover (unless its a switch module in the
router). Second, have you tried hard-setting the speed/duplex?
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