Zyxel MES3500-24F — iPv6 Commands for Ethernet Switch: CLI Reference Guide [158/364]

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Zyxel MES3500-24F [158/364] This example shows the switch owns l displays in the t field two manually configured permanent ip addresses 2001 1234 and fe80 219 cbff fe00 1 it also displays a neighbor f...
Chapter 33 IPv6 Commands
Ethernet Switch CLI Reference Guide
158
This example shows the Switch owns (L displays in the T field) two manually configured
(permanent) IP addresses, 2001::1234 and fe80::219:cbff:fe00:1. It also displays a neighbor
fe80::2d0:59ff:feb8:103c in VLAN 1 is reachable from the Switch.
The following table describes the labels in this screen.
sysname# show ipv6 neighbor
Address MAC VLAN S T Expire
--------------------------------------- ----------------- ---- -- - ----------
2001::1234 0:19:cb:0:0:1 1 R L permanent
fe80::219:cbff:fe00:1 0:19:cb:0:0:1 1 R L permanent
fe80::2d0:59ff:feb8:103c 0:d0:59:b8:10:3c 1 R D 23h53m34s
S: reachable(R),stale(S),delay(D),probe(P),invalid(IV),incomplete(I),unknown(?)
T: local(L),dynamic(D),static(S),other(O)
sysname# show ipv6 neighbor
Address MAC S T Interface
--------------------------------------- ----------------- -- - ------------
2001::1234 00:19:cb:0:0:0:1 R L vlan 1
fe80::219:cbff:fe00:1 00:19:cb:0:0:0:1 R L vlan 1
fe80::2d0:59ff:feb8:103c 00:d0:59:b8:10:3c R D vlan 1
S: reachable(R),stale(S),delay(D),probe(P),invalid(IV),incomplete(I),unknown(?)
T: local(L),dynamic(D),static(S),other(O)
Table 94 show ipv6 neighbor
LABEL DESCRIPTION
Address This is the IPv6 address of the Switch or a neighboring device.
MAC This is the MAC address of the neighboring device or itself.
VLAN This is the VLAN of which an IPv6 interface is a member.
S This field displays whether the neighbor IPv6 interface is reachable. In
IPv6, “reachable” means an IPv6 packet can be correctly forwarded to a
neighbor node (host or router) and the neighbor can successfully receive
and handle the packet. The available options in this field are:
reachable(R): The interface of the neighboring device is reachable.
(The Switch has received a response to the initial request.)
stale(S): The last reachable time has expired and the Switch is
waiting for a response to another initial request. The field displays this
also when the Switch receives an unrequested response from the
neighbor’s interface.
delay(D): The neighboring interface is no longer known to be
reachable, and traffic has been sent to the neighbor recently. The
Switch delays sending request packets for a short to give upper-layer
protocols a chance to determine reachability.
probe(P): The Switch is sending request packets and waiting for the
neighbor’s response.
invalid(IV): The neighbor address is with an invalid IPv6 address.
unknown(?): The status of the neighboring interface can not be
determined for some reason.
incomplete(I): Address resolution is in progress and the link-layer
address of the neighbor has not yet been determined (see RFC 2461).
The interface of the neighboring device did not give a complete
response.

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1264

Explore the essential IPv6 commands for Ethernet switches, including neighbor discovery and address management. Understand the status indicators and their meanings.

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