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Turn my Cisco 2801 into a very expensive cable modem

Posted on 2009-03-30
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Last Modified: 2012-05-06
I have a Cisco 2601 router with a Docsis cable hwic installed(HWIC-CABLE-D-2). I am trying to connect this to my fatpipe so that the fatpipe manages the public IPs.  I enable bridging and when I plug into that port I don't get an IP address from the cable DHCP.

It should be noted if  I remove the bridge group and tell the cable interface to DHCP it gets an ip addres, so problem is not with cable connection or hwic

version 12.4

service timestamps debug datetime msec

service timestamps log datetime msec

no service password-encryption

!

hostname Router

!

boot-start-marker

boot-end-marker

!

!

no aaa new-model

ip cef

!

!

!

!

multilink bundle-name authenticated

!

!

voice-card 0

!

 

archive

 log config

  hidekeys

!

!

bridge irb

!

!

!

!

interface FastEthernet0/0

 no ip address

 duplex auto

 speed auto

 bridge-group 59

!

interface FastEthernet0/1

 no ip address

 shutdown

 duplex auto

 speed auto

!

interface Cable-Modem0/3/0

 no ip address 

 no fair-queue

 bridge-group 59

!

interface BVI59

 no ip address

!

ip forward-protocol nd

!

!

no ip http server

!

!

!

!

control-plane

!

bridge 59 protocol ieee

bridge 59 route ip

!

!

!

!

!

!

!

!

gatekeeper

 shutdown

!

!

line con 0

line aux 0

line vty 0 4

 login

!

scheduler allocate 20000 1000

end

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Question by:TahoeDonner
  • 2
4 Comments
 
LVL 50

Expert Comment

by:Don Johnston
ID: 24023395
You need to issue the command "ip address dhcp" on the BVI 59 interface.
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Accepted Solution

by:
cstosgale earned 500 total points
ID: 24023403
you need to set your BVI interface to get an ip address from dhcp.

interface BVI59
ip address dhcp
0
 

Author Comment

by:TahoeDonner
ID: 24023616
I issued that command but it did not give me an ip
0
 
LVL 50

Expert Comment

by:Don Johnston
ID: 24024448
I just looked through your config.and something's not making any sense. Your router only has one layer 3 interface.

What is it you're trying to accomplish?

If all you want is "an expensive cable modem" then remove the "bridge irb", delete the bvi interface and you're all set.



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