Guralp Systems CMG-DCM build <10,000 User Manual
Page 81

Acquisition Modules and Platinum Firmware
Networking Configuration
a new row. In the same way, rows can be deleted by clicking the
corresponding
button.
Type: The drop-down menu offers the following choices:
•
unicast: Normal setting for a host or network route. The route entry
describes real paths to the destinations specified in the Destination
column.
•
Unreachable: Destinations are unreachable. Packets are discarded and
the ICMP message host unreachable is generated. An EHOSTUNREACH
error may appear in /var/log/messages.
•
Blackhole: Destinations are unreachable. Packets are discarded silently.
An EINVAL error may appear in /var/log/messages.
•
Prohibit: Destinations are unreachable. Packets are discarded and the
ICMP message communication administratively prohibited is generated.
An EACCES error may appear in /var/log/messages.
•
Local: Destinations are assigned to this host. The packets are looped
back and delivered locally.
•
Broadcast: The broadcast addresses. The packets are sent as link
broadcasts.
Destination: The host or network to which this route offers access should be
entered here in CIDR format, where the address is followed by a slash and
then the number of bits defining the netmask, e.g. 192.168.0.1/24 for IPV4
or 2001:db8:/32 for IPV6.
Gateway: Enter the IP address of the host which serves as the gateway to the
specified destination.
ip route args: This field field can be used to modify the invocation of the
associated ip route add command in order to, e.g., set the route metric.
The options that can be set here are mostly highly technical and should rarely
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Issue E - February 2014