F3726, F3211, F3174, R5135, R3816-HP Firewalls and UTM Devices Network Management Configuration Guide-6PW100

690
Ste
p
Command Remarks
985. Enter system view. system-view N/A
986. Enable sending ICMPv6 destination
unreachable messages.
ipv6 unreachables enable Disabled by default.
842BEnabling sending ICMPv6 redirect messages
When a device receives a large number of attack packets that require the device to send ICMPv6 redirect
packets, the device's performance is degraded for processing these packets. To protect the device from
such attacks, you can use the undo form of the following command to disable sending ICMPV6 redirect
packets.
To enable sending ICMPv6 redirect messages:
Ste
p
Command Remarks
987. Enter system view system-view N/A
988. Enable sending ICMPv6
redirect messages
ipv6 redirects enable
Optional.
By default, this function is disabled.
225B
Displaying and maintaining IPv6 basics
Task Command Remarks
Display IPv6 FIB entries.
display ipv6 fib [ vpn-instance vpn-instance-name ]
[ acl6 acl6-number | ipv6-prefix ipv6-prefix-name ]
[ | { begin | exclude | include }
regular-expression ]
Available in any
view.
Display the IPv6 FIB entry of a
specific destination IPv6
address.
display ipv6 fib [ vpn-instance vpn-instance-name ]
ipv6-address [ prefix-length ] [ | { begin | exclude |
include } regular-expression ]
Available in any
view.
Display the IPv6 information
about an interface.
display ipv6 interface [ interface-type
[ interface-number ] ] [ brief ] [ | { begin | exclude
| include } regular-expression ]
Available in any
view.
Display IPv6 prefixes
information.
display ipv6 prefix [ prefix-number ] [ | { begin |
exclude | include } regular-expression ]
Available in any
view.
Display neighbor information.
display ipv6 neighbors { ipv6-address | all |
dynamic | interface interface-type
interface-number | static | vlan vlan-id } [ verbose ]
[ | { begin | exclude | include }
regular-expression ]
Available in any
view.
Display the total number of
neighbor entries satisfying the
specified conditions.
display ipv6 neighbors { all | dynamic | interface
interface-type interface-number | static | vlan
vlan-id } count [ | { begin | exclude | include }
regular-expression ]
Available in any
view.
Display the neighbor
information for a specific VPN.
display ipv6 neighbors vpn-instance
vpn-instance-name [ count ] [ | { begin | exclude |
include } regular-expression ]
Available in any
view.