Hi Daniel,
you find mostl of you questions answered in "man
netstat" (the
relevant passage is posted below)
The missing part is the expiry, which IMHO are the seconds,
the ARP
entry is valid (after this time a new arp request would be
issued)
I hope this is the information you needed.
br,
Robert
+++++++++++++++
The routing table display indicates the available routes and
their sta-
tus. Each route consists of a destination host or
network, and
a gateway
to use in forwarding packets. The flags field shows a
collection of
information about the route stored as binary choices.
The
individual
flags are discussed in more detail in the route(8) and
route(4)
manual
pages. The mapping between letters and flags is:
1 RTF_PROTO1 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)
b RTF_BROADCAST The route represents a broadcast
address
C RTF_CLONING Generate new routes on use
c RTF_PRCLONING Protocol-specified generate new
routes on
use
D RTF_DYNAMIC Created dynamically (by
redirect)
G RTF_GATEWAY Destination requires forwarding
by
intermediary
H RTF_HOST Host entry (net otherwise)
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_WASCLONED Route was generated as a result
of cloning
X RTF_XRESOLVE External daemon translates proto
to link
address
Direct routes are created for each interface attached
to the
local host;
the gateway field for such entries shows the address
of the
outgoing
interface. The refcnt field gives the current number
of active
uses of
the route. Connection oriented protocols normally
hold on to a
single
route for the duration of a connection while
connectionless
protocols
obtain a route while sending to the same destination.
The use
field pro-
vides a count of the number of packets sent using that
route.
The inter-
face entry indicates the network interface utilized
for the route.
+++++++++++++++++++++
On 28.03.2008, at 00:39, Daniel Dias Gonçalves wrote:
> I would like an explanation on each field it command
"netstat - rn",
> example:
> Flags,Refs,Use,Expire
> In Flags: UGS, UC, UHLW, UH
> Somebody can explain me ?
>
> Thanks,
> Daniel
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