R2511-HP MSR Router Series Layer 3 - IP Services Command Reference(V5)

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Default
The device is disabled from replying to multicast echo requests.
Views
System view
Default command level
2: System level
Examples
# Enable replying to multicast echo requests.
<Sysname> system-view
[Sysname] ipv6 icmpv6 multicast-echo-reply enable
ipv6 mtu
Use ipv6 mtu to set the MTU of IPv6 packets sent over an interface.
Use undo ipv6 mtu to restore the default MTU.
Syntax
ipv6 mtu mtu-size
undo ipv6 mtu
Default
The MTU is 1500.
Views
Interface view
Default command level
2: System level
Parameters
mtu-size: Specifies the size of the maximum transmission units (MTUs) of an interface in bytes. The value
range is 1280 to 1500.
Examples
# Set the MTU of IPv6 packets over Ethernet 1/1 to 1280 bytes.
<Sysname> system-view
[Sysname] interface ethernet 1/1
[Sysname-Ethernet1/1] ipv6 mtu 1280
ipv6 nd autoconfig managed-address-flag
Use ipv6 nd autoconfig managed-address-flag to set the managed address configuration (M) flag to 1
so that the host can acquire an IPv6 address through stateful autoconfiguration (for example, from a
DHCP server).
Use undo ipv6 nd autoconfig managed-address-flag to restore the default.
Syntax
ipv6 nd autoconfig managed-address-flag