[c-nsp] Differences between WS-C3750E & WS-C3750G switches

[Marian Ďurkovič]

On Fri, Jan 25, 2008 at 07:49:22PM +0100, Peter Rathlev wrote:
> On Fri, 2008-01-25 at 12:47 -0500, Aaron wrote:
> > I'd look at assigning /31s instead. Most recent version of code support it
> > now.
> 
> IOS 12.2(35)SE5 does for the 3750s yeah, but since Ethernet strictly
> speaking never is a point-to-point interface, I don't think Cisco
> supports it. Configuring it gives:
> 
> Switch(config)#interface GigabitEthernet1/0/1
> Switch(config-if)#no switchport
> Switch(config-if)#ip address 10.0.0.0 255.255.255.254
> % Warning: use /31 mask on non point-to-point interface cautiously
> Switch(config-if)#do show version
> Cisco IOS Software, C3750 Software (C3750-IPBASEK9-M), Version
> 12.2(35)SE5, RELEASE SOFTWARE (fc1)
> <snip>
> 
> But it should work. :-)

Well, just a few days ago someone using those /31 netmasks on Cat3560
complained about 70 - 80 % CPU load for unknown reason...


     M.