3Com 3500 manual Fields in the IP Route Display

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Fields in the IP Route Display

Field

Description

 

 

Destination

IP address of the destination network, subnetwork, or host. This

 

field can also identify a default route, which the system uses to

 

forward packets that do not match any other routing table entry.

 

You may want to use the default route in place of routes to

 

numerous destinations that all have the same gateway IP

 

address.

Subnet mask

Subnet mask that is associated with the IP address of the

 

destination network, subnetwork, or host.

Metric

Associated cost of sending a packet to the destination. The

 

system includes the metric in its RIP and OSPF updates to allow

 

other routers to compare routing information received from

 

different sources.

Gateway

Address that directs the router how to forward packets whose

 

destination addresses match the route’s IP address and subnet

 

mask. The system forwards such packets to the indicated

 

gateway.

Status

Status of the route. See the following status table.

TTL

Time To Live — Time remaining before the route expires or is

 

reset.

 

 

Status for Routes

Field

Description

 

 

Direct

Route is for a directly connected network

Learned

Route was learned using indicated protocol

Learned

Route was learned but is partially timed out. This condition is

RIP-Zombie

applied to all learned routes reached by an interface gateway

 

which is in the down state.

Learned RIP2

Route was learned using RIP-2 protocol

Local

Actual interface address

Static

Route was statically configured

Timed out

Route has timed out and is no longer valid

 

 

Page 421
Image 421
3Com 3500 manual Fields in the IP Route Display