Operation Manual – ARP
Quidway S5600 Series Ethernet Switches-Release 1510
Chapter 1 ARP Configuration
Huawei Technologies Proprietary
1-3
mapping table. S5600 series Ethernet switches provide the
display arp
command to
display the information about ARP mapping entries.. Figure 1-2 shows the structure of
an ARP mapping table.
Entry n
…
Entry 5
Entry 4
Entry 3
Entry 2
Entry 1
Type
IP ad dress
Physical addre ss
IF in dex
Figure 1-2
An ARP mapping table
Table 1-3 describes the APR mapping table fields.
Table 1-3
Description on the fields of an ARP table
Field
Description
IF index
Index of the physical interface/port on the device owning
the physical address and IP address contained in the
entry
Physical address
Physical address of the device, that is, the MAC address
IP address
IP address of the device
Type
Entry type, which can be:
z
1: An entry falling out of the following three cases
z
2: Invalid entry
z
3: Dynamic entry
z
4: Static entry
1.1.4 ARP Implementation Procedure
The ARP mapping table of a host is empty when the host is just started up. And when a
dynamic ARP mapping entry is not in use for a specified period of time, it is removed
from the ARP mapping table so as to save the memory space and shorten the interval
for the switch to look up entries in the ARP mapping table. For details, refer to Figure
