[c-nsp] 3750 Metro internal vlan allocation for loopback?

[Peter Rathlev]

On Wed, 2011-10-26 at 09:41 +0200, Michele Bergonzoni wrote:
> You might try to trade the Lo1 for a VLAN:
> 
> vlan 4000
> exit
> 
> no spanning-tree vlan 4000
> 
> int Vlan4000
>   description Primary Management/Peering IP
>   ip address a.b.c.d 255.255.255.255

I don't think SVIs can take /32 masks:

Router(config)#vlan 4000
Router(config-vlan)#name test
Router(config-vlan)#exit
% Applying VLAN changes may take few minutes.  Please wait...

Router(config)#int vlan 4000
Router(config-if)#ip addr 192.0.2.1 255.255.255.255
Bad mask /32 for address 192.0.2.1
Router(config-if)#do sh run int vlan 4000
Building configuration...

Current configuration : 51 bytes
!
interface Vlan4000
 no ip address
 shutdown
end

Router(config-if)#

On a C6kSup720 running 12.2(33)SXI1 AIS. The 3750ME might behave
differently.

-- 
Peter