My plans are to run Routed acces in my LAN, However that requires lot of addresses so thought of using 31-bit prefixes. Now I am facing a problem. After using 31-bit prefixes in my point to point interfaces, those IP addresses dont ping at all from each other.
I am also running EIGRP in these devices and I am continuously getting the following errors.
"Neighbor a.b.c.d not on common subnet for GigabitEthernet1/0/2"
I am using Catalyst 6509 running Version 12.2(18)SXF10, Catalyst 3750 and 7206VXR
I know that catalyst 6509 with 12.2(18)SXF10 supports 31-bit mask, however not sure if Catalyst 3750 supports the same.
Can somebody help me know if Catalyst 3750 supports 31-bit mask and which IOS do i need to use for the same?
While technically you can do that, its not common practice. Common practice is /30 for point to point networks which leaves the standard network number and broadcast addresses intact and the host addresses seperate.
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