Manual

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debug ipv6 security-ra
no debug ipv6 security-ra
Enable the debug information of IPv6 security
RA module, the no operation of this command
will disable the output of debug information of
IPv6 security RA.
show ipv6 security-ra [interface <interface-
list>]
Display the distrust port and whether globally
security RA is enabled.
47.3 IPv6 Security RA Typical Examples
IPv6 Security RA sketch map
Instructions: if the illegal user in the graph advertises RA, the normal user will receive the RA,
set the default router as the vicious IPv6 host user and change its own address. This will
cause the normal user to not be able to connect the network. We want to set security RA on
the 1/2 port of the switch, so that the RA from the illegal user will not affect the normal user.
Switch configuration task sequence:
Switch#config
Switch(config)#ipv6 security-ra enable
Switch(Config-If-Ethernet1/2)# ipv6 security-ra enable
47.4 IPv6 Security RA Troubleshooting Help
The function of IPv6 security RA is quite simple, if the function does not meet the expectation
after configuring IPv6 security RA:
 Check if the switch is correctly configured.
Illegal User
PC
User
Other IPv6 network
RA
Ethernet1/1
Ethernet1/3
Ethernet1/2
RA
X