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936 CHAPTER 71: IP ROUTING TABLE COMMANDS
Parameters ip-address: Destination IP address, in dotted decimal format.
mask-length: IP address mask length in the range 0 to 32.
mask: IP address mask in dotted decimal format.
longer-match: Displays the route with the longest prefix.
verbose: Displays detailed routing table information, including both active and
inactive routes. With this keyword absent, the command displays only brief
information about active routes.
Description Use the
display ip routing-table ip-address command to display information
about routes to a specified destination address.
Executing the command with different parameters yields different output:
■ display ip routing-table ip-address
The system ANDs the input destination IP address with the subnet mask in each
route entry; and ANDs the destination IP address in each route entry with its
corresponding subnet mask.
If the two operations yield the same result for an entry and this entry is active, it is
displayed.
■ display ip routing-table ip-address mask
The system ANDs the input destination IP address with the input subnet mask; and
ANDs the destination IP address in each route entry with the input subnet mask.
If the two operations yield the same result for an entry and the entry is active with
a subnet mask less than or equal to the input subnet mask, the entry is displayed.
Only route entries that exactly match the input destination address and mask are
displayed.
■ display ip routing-table ip-address longer-match
The system ANDs the input destination IP address with the subnet mask in each
route entry; and ANDs the destination IP address in each route entry with its
corresponding subnet mask.
If the two operations yield the same result for multiple entries that are active, the
one with longest mask length is displayed.
■ display ip routing-table ip-address mask longer-match
The system ANDs the input destination IP address with the input subnet mask; and
ANDs the destination IP address in each route entry with the input subnet mask.
If the two operations yield the same result for multiple entries with a mask less
than or equal to the input subnet mask, the one that is active with longest mask
length is displayed.