Cisco Systems routing with crossover cables

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Subject Author Date
routing with crossover cables ccnataker 02-09-07
Posted by on February 9, 2007, 8:42 am
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Hello all thanks in advance for any help. I bought four routers I plan
on using for the ccna and ccnp exams. Although I have four routers in
my new lab, I have solely one serial cable and just ordered two more
so my question is as follows: Has anyone used their ethernet ports
with crossover cables for routing (eigrp, bgp) is this even doable or
can I do something with a switch to get some practice while I wait for
my cables?

Here is my example; all of my routers have ethernet ports I'll call
them RAe0 = RouterA_Ethernet0, RB = RouterB_Ethernet0, etc.

RAe0
int eth0
ip address 5.6.7.1
ip routing
router eigrp 22
network 1.2.3.0 255.255.255.0
neighbor 5.6.7.2

RBe0
int eth0
ip address 5.6.7.2
ip routing
router eigrp 22
network 9.10.11.0 255.255.255.0
neighbor 5.6.7.3

RCe0
int eth0
ip address 5.6.7.3
ip routing
router eigrp 22
network 12.13.14.0 255.255.255.0
neighbor 5.6.7.4

RDe0
int eth0
ip address 5.6.7.4
ip routing
router eigrp 22
network 21.22.23.0 255.255.255.0

Is this doable until I get my serial cables? Or can I somehow use a
switch to get them to pass routing information into their ethernet
interfaces. Any help is sincerely appreciated.


Posted by Joe Beasley on February 9, 2007, 9:47 am
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The routing information will pass over the ethernet interfaces.
--
jbeasley@sdf.lonestar.org
SDF Public Access UNIX System - http://sdf.lonestar.org

Posted by on February 9, 2007, 11:04 am
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> The routing information will pass over the ethernet interfaces.
> --
> jbeas...@sdf.lonestar.org
> SDF Public Access UNIX System -http://sdf.lonestar.org

Much of the routing protocol behaviour is independent of
whether you have a broadcast, non-broadcast or point to point media.

I would imagine for example that BGP just won't care at all, ever.
RIP doesn't care, OSPF and (EIGRP I think) have some differences.

You can learn a lot (nearly everything) from using Ethernet alone.



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