Set Up Security - Harris CM-30 Installation & Operation Manual

4 – Configuration & Operation
Default TTL: The default Time to Live (TTL) value put in each IP packet sent by the CM-30 system.
This defines the number of router hops that can be made before this packet is dropped.
Error Statistics
Inbound datagrams discarded: The number of input IP datagrams that were received by CM-30 IP
protocol stack with no errors but were discarded for other reasons (for example, for lack of buffer
space).
Outbound datagrams discarded: The number of output IP datagrams received by the IP protocol
stack with no errors but were discarded for other reasons (e.g., for lack of buffer space).
Received header errors: The number of packets containing header errors.
Received address errors: The number of packets received by the CM-30 system containing
addressing errors.
Unknown protocols errors: The number of packets received by the CM-30 system containing
unknown protocols.
Unroutable datagrams: The number of datagrams received by the CM-30 IP protocol stack that
could not be routed.
Fragmentation Statistics
Fragments received: The number of received packets fragmented successfully.
Fragments sent: The number of frames requiring fragmentation before sending.
Datagrams reassembled: The number of fragmented datagrams that have been reassembled by the
CM-30 IP protocol stack.
Datagrams fragmented: The number of fragmented datagrams received by the CM-30 IP protocol
stack.
Datagrams failing reassembly: The number of attempted datagram reassemblies by the CM-30
system.
Datagrams failing fragmentation: The number of datagram fragmentations that failed.
4.3.7

Set Up Security

4.3.7.1 Accounts
Use the Web Interface User Accounts configuration table (Figure 4-64) to view existing user
accounts and to establish and control user access and FTP privileges through password entry. To
access the table, click Security | Accounts. You can change account passwords and user groups and
delete user accounts from this table.
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NetXpress LX & CM-30 Installation & Operation Manual
Security configuration in the CM-30 system includes these tables:
Accounts: A list of existing user accounts. You can add, edit, and delete
accounts from this table.
IP Access List: A list of IP addresses that are allowed to manage the
system via the interface. You can add or delete accounts from this table.
Version 1, September 2010
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