Operation Manual

Vigor1000 Series User’s Guide
223
Item Description
It is not used by recent kernels, but may be needed by
routing daemons.
Expires
Display the lifetime of the route.
MTU
Display the largest size (in bytes) of a packet.
Advmss
Display the largest size (in bytes) of an unfragmented piece
of a routing advertisement.
Hoplimit
Display the number of network segments on which the
packet is allowed to travel before discarded.
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4
4
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1
1
3
3
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5
5
I
I
P
P
v
v
6
6
N
N
e
e
i
i
g
g
h
h
b
b
o
o
u
u
r
r
IPv6 uses neighbor discovery protocol to find out neighbors on the same link.
Each item is explained as follows:
Item Description
Device
The interface name of the link where the neighbor is on.
IP Address
The IPv6 address of the neighbor.
MAC Address
The link-layer address of the neighbor.
State
Possible states include:
incomplete - address resolution is in progress.
reachable - neighbor is reachable.
stale – neighbor(s) may be unreachable but not verified
until a packet is sent).
delay - neighbor may be unreachable and a packet was sent.
probe - neighbor may be unreachable and probes are sent to
verify the reachability.
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