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Netmask display

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alechko

Technical User
Jul 28, 2002
32
IL
How do I configure the 3640 router to show IP addresses with netmasks as bit-counts rather than dotted notation?
 
ip netmask-format
To specify the format in which netmasks are displayed in show command output, use the ip netmask-format line configuration command. To restore the default display format, use the no form of this command.

ip netmask-format {bitcount | decimal | hexadecimal}
no ip netmask-format [bitcount | decimal | hexadecimal]

bitcount Addresses are followed by a slash and the total number of bits in the netmask. For example, 131.108.11.0/24 indicates that the netmask is 24 bits.
decimal Network masks are displayed in dotted decimal notation (for example, 255.255.255.0).
hexadecimal Network masks are displayed in hexadecimal format, as indicated by the leading 0X (for example, 0XFFFFFF00).
 
It does not recognize this command!
I have IOS 12.0(4)T

Any suggestions?
 
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