[c-nsp] Fwd: IP unnumbered on the SVI interface

Rodney Dunn rodunn at cisco.com
Wed Oct 26 10:33:15 EDT 2005


If I remember right for this to work the ip addresses must
be handed out via DHCP to the clients because that is how
we install the /32 route to the client. You can't do
this with statically defined ip addresses on the clients.

Rodney

On Wed, Oct 26, 2005 at 11:05:01AM +0530, Atiqur Rahman Mohammed wrote:
> ---------- Forwarded message ----------
> From: Atiqur Rahman Mohammed <atiqurrahman.mohammed at gmail.com>
> Date: Oct 25, 2005 4:29 PM
> Subject: IP unnumbered on the SVI interface
> To: cisco-nsp <cisco-nsp at puck.nether.net>
> 
>  The new feature introduced in the release Cisco IOS 12.22(18)SXF for Cisco
> 7609 switch IP unnumeberd on the SVI interface is not working.
>  The following configs were made on Cisco 7609
>  sorry i dont know the configs are missing.
>   *Configs on Cisco 7609*
> 
> MCCTY1LOC1B001C76001#sh run interface loopback 33
> 
> Building configuration...
> 
> Current configuration : 92 bytes
> 
> !
> 
> interface Loopback33
> 
> ip address 5.5.5.1 <http://5.5.5.1> 255.255.255.128 <http://255.255.255.128>
> 
> end
> 
> MCCTY1LOC1B001C76001#sh run interface vlan 225
> 
> Building configuration...
> 
> Current configuration : 79 bytes
> 
> !
> 
> interface Vlan225
> 
> ip unnumbered Loopback33
> 
> end
> 
> *Config of Cisco 3550
> *
> 
> MCCTY1LC01Y001C35001#sh running-config interface fastEthernet 0/20
> 
> Building configuration...
> 
> Current configuration : 86 bytes
> 
> !
> 
> interface FastEthernet0/20
> 
> switchport access vlan 225
> 
> switchport mode access
> 
> end
>  ------------------- ------------ -------------
>  Cisco 7609 -----------------------------> Cisco 3550
> --------------------------------> PC
>  ------------------- ------------- --------------
> 
> The vlan is created on the cisco 3550.
>  The link between 7609 and 3550 is trunk link.
>  PC is no able to ping the 5.5.5.1 <http://5.5.5.1> address.
> 
> --
> Regards,
> Atiqur Rahman
> Infocomm Technology Cente
> Reliance Infocomm
> Mobile: 09324621784
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