Enabling Sending Of Icmpv6 Time Exceeded Packets; Displaying And Maintaining Ipv6 Basics Configuration - 3Com S7906E Configuration Manual

Follow these steps to enable replying to multicast echo requests:
To do...
Enter system view
Enable replying to multicast
echo requests

Enabling Sending of ICMPv6 Time Exceeded Packets

A device sends out an ICMPv6 time exceeded packet in the following cases:
If a received IPv6 packet's destination IP address is not the local address and its hop count is 1, the
device sends an ICMPv6 time-to-live count exceeded packet to the source.
Upon receiving the first fragment of an IPv6 datagram with the destination IP address being the
local address, the device starts a timer. If the timer expires before all the fragments arrive, an
ICMPv6 fragment reassembly time exceeded packet is sent to the source.
If large amounts of malicious packets are received, the performance of a device degrades greatly
because it has to send back ICMP time exceeded packets. You can disable sending of ICMPv6 time
exceeded packets.
Follow these steps to enable sending of ICMPv6 time exceeded packets:
To do...
Enter system view
Enable sending of ICMPv6 time
exceeded packets

Displaying and Maintaining IPv6 Basics Configuration

To do...
Display the IPv6 FIB entries (for
distributed devices)
Display the IPv6 FIB entries (for
distributed IRF devices)
Display the IPv6 interface settings
Display neighbor information (for
distributed devices)
Use the command...
system-view
ipv6 icmpv6
multicast-echo-reply enable
Use the command...
system-view
ipv6 hoplimit-expires enable
Use the command...
display ipv6 fib [ slot slot-number ]
[ ipv6-address ]
display ipv6 fib [ chassis
chassis-number slot slot-number ]
[ ipv6-address ]
display ipv6 interface [ interface-type
[ interface-number ] ] [ verbose ]
display ipv6 neighbors
{ { ipv6-address | all | dynamic |
static } [ slot slot-number ] | interface
interface-type interface-number | vlan
vlan-id } [ | { begin | exclude |
include } regular-expression ]
1-19
Remarks
—
Required
Not enabled by default.
Remarks
—
Optional
Enabled by default.
Remarks
Available in any view
Available in any view
Available in any view
Available in any view