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# Monitoring the Policy Configuration of IP Interfaces

#### Purpose

Display information about an IP interface (including policy list statistics).

#### Action

To display information about IP policy lists:

    host1#show ip interface serial 2/1:28/24.1
    serial2/1:28/24.1 is up, line protocol is up
      Network Protocols: IP
      Internet address is 172.24.1.101/255.255.255.0
      Broadcast address is 255.255.255.255
      Operational MTU = 1600 Administrative MTU = 0
      Operational speed = 155520000  Administrative speed = 0
      Discontinuity Time = 14695
      Router advertisement = disabled
      Administrative debounce-time = disabled
      Operational debounce-time    = disabled
      Access routing = disabled

      In Received Packets 15, Bytes 3135
      In Policed Packets 0, Bytes 0
      In Error Packets 0
      In Invalid Source Address Packets 0
      Out Forwarded Packets 0, Bytes 0
      Out Scheduler Drops Packets 0, Bytes 0

    IP Policy input pl28241
    Classifier-group clacl28241X01 entry 1
        0 packets, 0 bytes
    exception http-redirect
    Classifier-group clacl28241X01 entry 1
        0 packets, 0 bytes
        filter
      Classifier-group clacl28241X02 entry 1
        1 packets, 202 bytes
        filter
      Classifier-group clacl28241X03 entry 1
        1 packets, 203 bytes
        filter
      Classifier-group clacl28241X04 entry 1
        1 packets, 204 bytes
        filter
      Classifier-group clacl28241X05 entry 1
        1 packets, 205 bytes
        filter

#### Meaning

Table 33 lists the show ip interfaces command output fields.

Table 33: show ip interfaces Output Fields

Field Name | Field Description
--- | ---
Network Protocols | Protocols configured on the interface
Internet address | IP address of the interface
Broadcast address | Broadcast address used by the interface
Operational MTU | Operational maximum transmission unit (MTU) for packets sent on this interface
Administrative MTU | Administrative maximum transmission unit for packets sent on this interface
Operational speed | Speed known to the IP layer in bits per second; equal to the administrative speed if configured, otherwise inherited from the lower layer
Administrative speed | Configured speed known to the IP layer in bits per second
Discontinuity Time | Time since the counters on the interface became invalid; for example, when the line module was reset
Router Advertisement | When enabled by the ip irdp command, the router advertises its presence via the ICMP Router Discovery Protocol (IRDP)
Administrative debounce-time | Administrative time delay that an interface must remain in a new state before the routing protocols react to the state change
Operational debounce-time | Time delay that an interface must remain in a new state before the routing protocols react to the state change
Access routing | When enabled, an access route is installed to the host on the other end of the interface
In Received Packets | Number of packets received on the interface; indicates whether packets are unicast or multicast
In Received Bytes | Number of bytes received on the interface; indicates whether bytes are unicast or multicast
In Policed Packets | Number of packets policed on the interface; discarded because they exceeded a traffic contract to their destination
In Policed Bytes | Number of bytes policed on the interface; discarded because they exceeded a traffic contract to their destination
In Error Packets | Number of packets determined to be in error at the interface
In Invalid Source Address Packets | Number of packets determined to have originated from an invalid source address
Out Forwarded Packets | Number of packets forwarded from the interface; indicates whether packets are unicast or multicast
Out Forwarded Bytes | Number of bytes forwarded from the interface; indicates whether bytes are unicast or multicast
Out Scheduler Drops Packets | Number of packets dropped by the out scheduler; indicates whether packets are committed, conformed, or exceeded
Out Scheduler Drops Bytes | Number of bytes dropped by the out scheduler; indicates whether bytes are committed, conformed, or exceeded
Policy | Indicates which policy is attached and whether it is on the input or output of the interface
classifier-group | Name of a CLACL attached to the interface and number of entry
exception http-redirect | Number of packets and bytes assigned to http-redirect
filter | Number of packets and bytes dropped because of the CLACL
color | Explicit color applied to packet flow for queuing; green, yellow, or red:
Packets logged | Number of packets colored
Bytes logged | Number of bytes colored
next hop | Address of the next-hop destination:
Packets transmitted | Number of packets sent to the next-hop address
Bytes transmitted | Number of bytes sent to the next-hop address
forward | Number of packets and bytes forwarded because of the CLACL
rate-limit-profile | Name of the rate-limit profile
committed | Number of packets and bytes within the committed rate limit
conformed | Number of packets and bytes exceeding the committed rate limit but within the peak rate
exceeded | Number of packets and bytes exceeding the peak rate
action | Action performed on the packets matched by the rules in the rate-limit profile

#### Related Topics

- show ip interface

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