Routing Commands
248
M4100 Series ProSAFE Managed Switches
show ip route summary
Use this command to display the routing table summary. Use the optional all parameter to
show the number of all routes, including best and non-best routes. To include only the
number of best routes, do not use the optional parameter.
If you enter the optional all keyword, some statistics, such as the number of routes from
each source, include counts for alternate routes.
An alternate route is a route that is not the
most preferred route to its destination and therefore is not installed in the forwarding table.
If you do not enter the optional all keyword, the output reports only the best routes.
• Privileged EXEC
• User EXEC
Format show ip route summary [all]
Modes
Term Definition
Connected
Routes
The total number of connected routes in the routing table.
Static Routes Total number of static routes in the routing table.
RIP Routes Total number of routes installed by RIP protocol.
OSPF Routes Total number of routes installed by OSPF protocol.
Reject Routes Total number of reject routes installed by all protocols.
Total Routes Total number of routes in the routing table.
Best Routes The number of best routes currently in the routing table. This number counts only the
best route to each destination.
Alternate Routes The number of alternate routes currently in the routing table. An alternate route is one
that was not selected as the best route to its destination.
Route Adds The number of routes added to the routing table.
Route Modifies The number of routes that changed after they were initially added to the routing table.
Route Deletes The number of routes that deleted from the routing table.
Unresolved
Route Adds
The number of route adds that failed because none of the route’s next hops were on a
local subnet. Note that static routes can fail to be added to the routing table at startup
because the routing interfaces are not up yet. This counter gets incremented in this case.
The static routes are added to the routing table when the routing interfaces come up.
Invalid Route
Adds
The number of routes that failed to be added to the routing table because the route was
invalid. A log message is written for each of these failures.
Failed Route
Adds
The number of routes that failed to be added to the routing table because of a resource
limitation in the routing table.
Reserved Locals The number of routing table entries reserved for a local subnet on a routing interface that
is down. Space for local routes is always reserved so that local routes can be installed
when a routing interface bounces.
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