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4. Configuration Options
9700-A2-GB20-20 December 2002 4-39
Table 4-18. Node IP Options (1 of 2)
Node IP Address
Possible Settings: 001.000.000.000–126.255.255.255,
128.000.000.000–223.255.255.255, Clear
Default Setting: Clear (000.000.000.000)
Specifies the IP address needed to access the node. Since an IP address is not bound to
a particular port, it can be used for remote access via a management PVC.
001.000.000.000 – 223.255.255.255 – Shows the IP address for the node, which can be
viewed or edited. The first octet of the address cannot be decimal 0 or 127, or greater than
223.
Clear – Fills the node IP address with zeros.
Node Subnet Mask
Possible Settings: 000.000.000.000 – 255.255.255.255, Clear
Default Setting: 000.000.000.000
Specifies the IP address subnet mask that is needed to access the node. Since the
subnet mask is not bound to a particular port, it can be used with the Node IP address for
remote access via a management PVC.
000.000.000.000 – 255.255.255.255 – Shows the subnet mask for the node, which can be
viewed or edited.
Clear – Fills the node subnet mask with zeros. When the node’s subnet mask is all zeros,
the IP protocol creates a default subnet mask based upon the IP address class
(Class A: 255.000.000.000, Class B: 255.255.000.000, or Class C: 255.255.255.000).
Default IP Destination
Possible Settings: None, COM, Ethernet,
PVCname
Default Setting: None
Specifies an IP destination to route data that does not have a specifically defined route.
NOTE: If the link to the IP destination selected as the default route becomes disabled
or down, the data which cannot be routed will be discarded. Make sure that the link
selected is operational, and if that link goes down, the default destination is changed.
CAUTION: Use care when configuring a default route to an interface that has a subnet
route configured at a remote end where the NMS, router, LAN adapter, terminal server,
etc. is connected. Communicating with an unknown IP address on the subnet will
cause temporary routing loops, which will last 16 iterations multiplied by the retry
count.
None – No default IP network destination is specified. Unrouteable data is discarded. This
is the recommended setting.
COM – Specifies that the default IP destination is the COM port. Appears only when Port
Use is set to Net Link (see Table 4-25, Communication Port Options).
Ethernet – Specifies that the default IP destination is the Ethernet interface. Appears only
when the Ethernet interface’s Status is enabled. When selected, the Default Gateway
Address must also be configured (see Table 4-24, Ethernet Management Options).
PVCname
– Specifies a name for the management PVC. Appears only when a
management PVC name is defined for the node. For example, when the network is
connected to a remote device located in the London office, London can be specified as
the
PVCname
, which is the link between the local FrameSaver unit and the one located in
London. London would appear as one of the available selections (as defined by the Name
configuration option, Table 4-19, Management PVC Options).