[c-nsp] IOS DHCP server and VRF

[McCallum, Robert]

Is that supported on a BVI interface? 

> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net 
> [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Robert Blayzor
> Sent: 10 February 2006 15:04
> To: cisco-nsp at puck.nether.net
> Subject: [c-nsp] IOS DHCP server and VRF
> 
> I am having a problem getting IOS DHCP server to operate 
> correctly with interfaces in different VRF's.
> 
> Assume the config below:
> 
> ip dhcp excluded-address 10.100.8.1
> !
> ip dhcp pool rg0
>    vrf mot1
>    network 10.100.8.0 255.255.248.0
>    default-router 10.100.8.1
> !
> interface BVI5
>  ip vrf forwarding mot1
>  ip address 10.100.8.1 255.255.248.0
>  no ip redirects
>  no ip unreachables
>  no ip proxy-arp
>  load-interval 30
> 
> 
> When a client tries to DHCP an address, the IOS DHCP server 
> gets it, but then I get this error:
> 
> Feb  9 17:00:39.590: DHCPD: DHCPDISCOVER received from client 
> 0100.0f1f.9e36.cd on interface BVI5.
> Feb  9 17:00:39.590: DHCPD: there is no address pool for 10.100.8.1.
> 
> 
> Even though a pool actually exists:
> 
> Pool rg0 :
>  Utilization mark (high/low)    : 100 / 0
>  Subnet size (first/next)       : 0 / 0
>  VRF name                       : mot1
>  Total addresses                : 2046
>  Leased addresses               : 0
>  Pending event                  : none
>  1 subnet is currently in the pool :
>  Current index        IP address range                    
> Leased addresses
>  10.100.8.1           10.100.8.1       - 10.100.15.254     0
> 
> 
> If I remove the "vrf mot1" from the DHCP pool, the DHCP 
> server will then find the pool and try to reply, but the 
> reply seems to never make it back to the client.
> 
> --
> Robert Blayzor, BOFH
> INOC, LLC
> rblayzor\@(inoc.net|gmail.com)
> PGP: 0x66F90BFC @ http://pgp.mit.edu
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> 
> My opinion is neither copyrighted nor trademarked, and it's 
> price competitive. If you like, I'll trade for one of yours.
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