Product specifications

CDD-562L/564 Demodulator with IP Module Revision 1
Appendix D MN/CDD564L.IOM
D–18
D.4.1.4 Protocol Commands and Queries
Parameter
Type
Command
(Instruction
Code and
Qualifier)
Arguments
for Command
or Response
to Query
Description of Arguments
Response to
Command
Query
(Instruction
Code and
Qualifier)
Response to Query
Delete an ARP
entry
ARD= ARD=xxx.xxx
.xxx.xxx
Command Only.
DeleteS the ARP entry associated with the specified IP Address.
xxx.xxx.xxx.xxx IP address of ARP entry to delete.
Example: <1/ARD=192.168.001.100
ARD =
ARD!
N/A ARD=xxx.xxx.xxx.xxx
(see description of
arguments)
Number of ARP
entries
None 4 bytes,
numerical
Query Only.
Returns the number of static arp entries.
Note: This command should be issued whenever a new ARP Entry is
added/deleted.
ARN =
ARN!
ARN? ARN=nnnn
(see description of
arguments)
Static Arp table ARP= 256 bytes
characters
Command or Query.
ARP Entry in format xxx.xxx.xxx.xxx|mm:mm:mm:mm:mm:mm where:
xxx.xxx.xxx.xxx = IP address.
mm:mm:mm:mm:mm:mm. = MAC Address.
Note: Duplicate IP addresses are not allowed. They must also be locally
attached (on the same subnet as the Ethernet interface). Using a different
index with existing IP address may modify the existing ARP entry, rather
than creating new one.
Example: <1/arp[1]=010.020.030.040|00:11:ab:33:44:66
Returns >0001/ARP! When there is no ARP entry.
ARP =
ARP!
ARP[1..256]? ARP=x [1..256]
(see description of
arguments)
DHCP Relay IP
Address
DRA= 15 bytes,
numerical
Command or Query.
Used to set the IP address of the DHCP Server, in the format
xxx.xxx.xxx.xxx where:
xxx.xxx.xxx.xxx is the IP address
Example: <1/DRA=010.006.030.001
Returns >0001/DRA=0.0.0.0 when not configured.
DRA =
DRA!
DRA? DRA = xxx.xxx.xxx.xxx
(see description of
arguments)
IGMP Client:
Version
ICV 1 byte, 0 or 1 Command or Query.
Set the IGMP Version for Unsolicited Reports, where:
0 = V1
1 = V2
Recognize IGMP Queries
Example: ICV =0
ICV =
ICV!
ICV? ICV =xxx
(see description of
arguments)
IGMP Server:
IGMP Query
Period
IGQ= IGQ=xxx
Where xxx is
1 to 600
Command or Query
Sets the IGMP Query period in seconds while modem acting as IGMP
Server.
IGQ=
IGQ!
IGQ? IGQ=xxx
xxx – value of 1 to 600.