[c-nsp] 4900M 10/100/1000 management interfaces

Jeff Fitzwater jfitz at Princeton.EDU
Wed Sep 10 15:14:06 EDT 2008


The interface is Fa1 and has a fixed config name of mgmtVrf
What they did was set up a VRF interface so that you can have an  
isolated management port that resides in a separate routing domain.     
One problem i found is that you need the latest code that supports the  
new interface  (12.2-46SG).    I had to load it on the flash card and  
then boot from flash.

The other trick is the  default route must be entered as follows...


ip route vrf mgmtVrf 0.0.0.0 0.0.0.0 n.n.n.n

Also... ntp server vrf mgmtVrf



Jeff Fitzwater
OIT Network Systems
Princeton University

On Sep 10, 2008, at 2:36 PM, Steve McNamara wrote:

> Hi,
>
> This is going is be something every embarrasing I feel :-)
>
> I've got a Cisco 4900M running 12.2(46)SG, it has a 10/100/1000 mgt
> interface on the back of the switch that I want to use to manage the
> switch, but when I boot it up I do not see an interface corresponding
> to this. I see the 20x Gig interfaces from Slot 2 and the 8x 10Gig
> interface from Slot 1.... any ideas how to configure the 10/100/1000
> mgt interface?
>
> Cheers
> Steve
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