Ip Router Table Read - Omron CJ1W-ETN11 Operation Manual

Command/Response Reference

11-3-22 IP ROUTER TABLE READ

Command Block
Response Block
Parameters
Number of Records
(Command, Response)
Maximum Number of
Stored Records
(Response)
Number of Stored
Records (Response)
IP Router Table Records
(Response)
Precautions
Response Codes
240
Reads the IP router table.
27 61
Command Number of
code records
27 61
Command Response Maximum
code code number
of stored
records
The number of records to read is specified between 0000 and 0008 (0 to 8
decimal) in the command. If this value is set to 0, the number of stored
records will be returned but the IP router table records will not be returned.
The response returns the actual number of records read.
The maximum number of records that can be stored in the IP router table is
returned. The maximum number of stored records is fixed at 0008 (8 records).
The number of IP router table records stored at the time the command is exe-
cuted is returned.
The number of IP router table records specified in the number of records
parameter is returned. The total number of bytes in the IP router table records
is calculated as the number of records x 8 bytes/record. The configuration of
the 8 bytes of data in each record is shown below.
1
IP Network address
(Network ID)
IP Network Address
The network ID from the IP address in hexadecimal. The network ID part cor-
responding to the address class (determined by the leftmost 3 bits; refer to 1-
7 IP Addresses) set here, is enabled.
Router IP Address
The IP address of a router connected to a network specified with IP
addresses.
If the IP router table contains fewer records than the number specified in the
number of records parameter, all the records contained in the IP router table
when the command is executed will be returned and the command execution
will end normally.
Response code
0000 Normal
1001 Command too large
1002 Command too small
8 bytes
Number Number IP router
of stored of records
table records
records
8 bytes
Router IP address
Description
Section 11-3
8 bytes
IP router
table records