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22
NTU-2V, NTU-RG
Optical Network Terminals
4.1.5
The
Route
Submenu.
The Routing Table
The menu shows the routing table.
Destination –
destination IP address;
Gateway –
gateway IP address;
Subnet mask –
subnet mask (Genmask);
Flag –
routing flag:
–
U –
active routing;
–
I –
inactive routing, packets will be rejected;
–
G
–
the routing uses gateway;
–
H –
destination is a separate host;
–
R
–
restored routing;
–
D –
the routing was created after receiving a redirected ICMP message;
–
M –
the routing was changed by a redirected ICMP message;
Metric –
routing priority;
Service –
a service the routing is associated with;
Interface –
an interface the routing is associated with.
4.1.6
The
ARP
Submenu.
Display of the ARP Protocol Cache
The ARP efficiency depends a lot on ARP cache presented in every host. The cache contains Internet
addresses and corresponding MAC addresses. Every record is stored in cache for 5 minutes since its creation.
IP-address –
client IP address;
Flags –
status flags:
–
Complete –
active client;
–
Incomplete –
client does not respond to ARP queries;
HW-Address –
client MAC address;
Device –
client interface.
