Destination field: Displays the destination IP address/mask. All packets matching an address in the mask bits of this route, but not any route with a higher number of bits set, exit this interface toward the next hop. A route to an individual host has all 32 bits of the destination mask set.


Gateway field: The dotted-decimal or hexadecimal identifier of the next-hop IP router.


Flags field: Any flags listed are turned on. The following routing flags may appear in your routing table:

Flag

Name

Definition

1

RTF_PROTO2

Protocol specific routing flag #1

2

RTF_PROTO2

Protocol specific routing flag #2

3

RTF_PROTO3

Protocol specific routing flag #3

B

RTF_BLACKHOLE

Just discard pkts (during updates)

C

RTF_CLONING

Generate new routes on use

c

RTF_PRCLONING

Generate new routes on use (protocol-specified)

D

RTF_DYNAMIC

Created dynamically (by redirect)

G

RTF_GATEWAY

Destination requires forwarding by intermediary

H

RTF_HOST

Host entry (otherwise, net)

L

RTF_LLINFO

Valid protocol to link address translation

M

RTF_MODIFIED

Modified dynamically (by redirect)

R

RTF_REJECT

Host or net unreachable

S

RTF_STATIC

Manually added

U

RTF_UP

Route usable

W

RTF_WASHCLONED

Route was generated as a result of cloning

X

RTF_XRESOLVE

External daemon translates proto to link address


Refs field: Displays the number of current references to the route.


Use field: Displays the number of times the route has been used.


Netif field: Displays the identifier of the output port associated with the route.


Expire field: Displays the time, in seconds, until this routing entry is removed from the routing table.