Mocomtech CDM-570L Manuel D’Utilisation
CDM-570/570L Satellite Modem with Optional IP Module
Revision 4
IP Module - CLI and Telnet Operation
MN/CDM570L.IOM
The IP Statistics page contains the following options/fields:
Menu Options/Fields
Entry
Description
From Ethernet - Total
Ethernet Statistics Page, Rx Good Frames
To Ethernet - Total
Ethernet Statistics Page, Tx Good Frames
To Ethernet - Unicast
Unicast packets to LAN
To Ethernet - Multicast
Multicast packets to LAN
To Ethernet - Broadcast
Broadcast packets to LAN
From Satellite - Total
WAN Statistics Page, Rx HDLC Packet Count
To Sat - Total
WAN Statistics Page, Tx HDLC Packet Count
To Sat - Unicast
Unicast packets to WAN
To Sat - Multicast
Multicast packets to WAN
To Sat - Broadcast
Broadcast packets to WAN
From Endstation - Total
Packets sent from
IP M
odule
To Endstation - Total
Packets directed to
IP M
odule
Received IGMP Packets
Internet Group Management Packets received (used
for management of multicast traffic).
for management of multicast traffic).
Received IP Options
Packets
Packets
Number of IP Options packets received.
Dropped - Total
Total Dropped Packets
Dropped - Bad IP Header
Checksum
Checksum
Total Dropped Packets due to incorrect IP Header
Checksum.
Checksum.
Dropped - Bad Buffer
Length
Length
IP length (as specified in packet header) was greater
than payload received in the Ethernet packet. This
would indicate the packet was truncated before
arriving.
than payload received in the Ethernet packet. This
would indicate the packet was truncated before
arriving.
Dropped - Bad IP Version
Total Dropped IP Version 6 Packets (
IP M
odule only
supports IP Version 4).
Dropped - TTL Expired
Total Dropped Packets due to Time To Live counter
expired (TTL limits the number of hops, or seconds,
before a packet reaches it’s destination).
expired (TTL limits the number of hops, or seconds,
before a packet reaches it’s destination).
Dropped - No Route
Total Dropped Packets due to no Route for the
destination in the
destination in the
IP M
odule Route Table. These are
packets that are directed to the
IP M
odule’s MAC
address and the
IP M
odule will reply to the sender with
a ICMP ‘Destination net unreachable’ message.
Dropped - No ARP Entry
Total Dropped Packets due to no ARP entry in
IP
M
odule ARP Table. For example, if a
IP M
odule
receives packets from the satellite for a host that is not
in the ARP table, the
in the ARP table, the
IP M
odule will send an ARP
request. If there is no response, the packets will be
dropped.
dropped.
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