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20-26 SmartSwitch 1800 4.0 User Guide, Rev 01
IP Status Displays
IP Routing Table
To display a list of active IP routes, press
[A]
at the IP Status Displays Menu (or
[C],
[F], [G], [A]
from the Main Menu).
Information in this Display:
●
Destination
– Destination IP address.
●
Gateway
– IP address of router that provides access to the destination device.
(This corresponds to the
Router
parameter in static IP Routes. (See page 14-15.)
●
Ref
– (Reference) Internal count of the number of places the route is currently
being used in the SmartSwitch 1800 software. The route cannot be removed if
this count is greater than zero.
●
Use
– Number of times the route was used to send a packet.
●
Flags
:
C
= Route is on a LAN interface.
G
= Route is via a remote gateway (hop count is greater than zero).
H
= Route is a Host route.
S
= Route is a static route.
U
= Route is operational.
●
Intf
– (Interface) Identifier used in the IP Route Display. Each entry is the
interface number preceded by the interface type, which is one of these:
fr
Frame relay
x
X.25
en
Ethernet
tr
Token Ring
lo
Loopback
●
Netmask
– Network mask, used during routing to determine the portion of the
address associated with the network.
Point-to-point frame relay IP connections will display a
Netmask
of
255.255.255.255
, which is the default
Destination Mask
value (see
page 14-15) for Host IP routes. The
Netmask
configured on the IP
interface (see page 14-9) is used by RIP for route summarization.
Each entry is two lines on the screen, with the
Netmask
on the second line,
under the associated
Destination
.
ARP Table
To display a list of active ARP (Address Resolution Protocol) table entries, press
[B]
at the IP Status Displays Menu (or
[C], [F], [G], [B]
from the Main Menu).
Information in this Display:
●
IP Address
– Address of corresponding IP Interface.
●
MAC Address
– MAC address to which each IP address maps.
●
AgeOut Timer
– Time (in seconds) until the address will be removed from the
table if no traffic is received from that address. The address is added to the table
after the SmartSwitch sends an ARP request for an IP address and receives a
MAC address in response. The timer is reset if an IP frame is received from the
either the IP or MAC address.