Command:

show ip cache

Mode:

Router>


Syntax:

show ip cache [prefix mask] [type number]


Syntax Description:

prefix

(Optional) Display only the entries in the cache that match the prefix and mask combination.

mask

(Optional) Display only the entries in the cache that match the prefix and mask combination.

type

(Optional) Display only the entries in the cache that match the interface type and number combination.

number

(Optional) Display only the entries in the cache that match the interface type and number combination.

 


Command Description:

To display the routing table cache used to fast switch IP traffic, use the show ip cache EXEC command. The show ip cache display shows MAC headers up to 92 bytes.


Example:
Router#show ip cache

  IP routing cache version 4490, 141 entries, 20772 bytes, 0 hash overflows
  Minimum invalidation interval 2 seconds, maximum interval 5 seconds,
     quiet interval 3 seconds, threshold 0 requests
  Invalidation rate 0 in last 7 seconds, 0 in last 3 seconds
  Last full cache invalidation occurred 0:06:31 ago

  Prefix/Length      
  Age      
  Interface       MAC Header
  131.108.1.1/32      0:01:09  
  Ethernet0/0     AA000400013400000C0357430800
  131.108.1.7/32      0:04:32  
  Ethernet0/0     00000C01281200000C0357430800
  131.108.1.12/32     0:02:53  
  Ethernet0/0     00000C029FD000000C0357430800
  131.108.2.13/32     0:06:22  
  Fddi2/0        
  00000C05A3E000000C035753AAAA030000000800
  131.108.2.160/32    0:06:12  
  Fddi2/0        
  00000C05A3E000000C035753AAAA030000000800
  131.108.3.0/24      0:00:21  
  Ethernet1/2     00000C026BC600000C03574D0800
  131.108.4.0/24      0:02:00  
  Ethernet1/2     00000C026BC600000C03574D0800
  131.108.5.0/24      0:00:00  
  Ethernet1/2     00000C04520800000C03574D0800
  131.108.10.15/32    0:05:17  
  Ethernet0/2     00000C025FF500000C0357450800
  131.108.11.7/32     0:04:08  
  Ethernet1/2     00000C010E3A00000C03574D0800
  131.108.11.12/32    0:05:10  
  Ethernet0/0     00000C01281200000C0357430800
  131.108.11.57/32    0:06:29  
  Ethernet0/0     00000C01281200000C0357430800

  

Misconceptions:
None

Related commands:
ip route-cache
ip route-cache cef

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