1-2
Router advert: 0
Router solicit: 0
Time exceed: 0
IP header bad: 0
Timestamp request: 0
Timestamp reply: 0
Information request: 0
Information reply: 0
Netmask request: 0
Netmask reply: 0
Unknown type: 0
Table 1-1 display ip interface command output description
Field Description
current state
Current physical state of the interface, which can be
z Administrative DOWN: Indicates that the interface is
administratively down; that is, the interface is shut down with
the shutdown command.
z DOWN: Indicates that the interface is administratively up but
its physical state is down, which may be caused by a
connection or link failure.
z UP: Indicates that both the administrative and physical
states of the interface are up.
Line protocol current state
Current state of the link layer protocol, which can be
z DOWN: Indicates that the protocol state of the interface is
down, which is usually because that no IP address is
assigned to the interface.
z UP: Indicates that the protocol state of the interface is up.
Internet Address
IP address of an interface followed by:
z Primary: Identifies a primary IP address, or
z Sub: Identifies a secondary IP address.
Broadcast address Broadcast address of the subnet attached to an interface
The Maximum Transmit Unit Maximum transmission units on the interface, in bytes
input packets, bytes, multicasts
output packets, bytes, multicasts
Unicast packets, bytes, and multicast packets received on an
interface (the statistics start at the device startup)
ARP packet input number:
Request packet:
Reply packet:
Unknown packet:
Total number of ARP packets received on the interface (the
statistics start at the device startup), including
z ARP request packets
z ARP reply packets
z Unknown packets
TTL invalid packet number
Number of TTL-invalid packets received on the interface (the
statistics start at the device startup)
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