HP 6125XLG R2306-HP 6125XLG Blade Switch Layer 3 - IP Services Command Referen - Page 202

ipv6 redirects enable

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Parameters age-time: Specifies the aging time for Path MTU in minutes, in the range of 10 to 100. Usage guidelines After the path MTU from a source host to a destination host is dynamically determined, the source host sends subsequent packets to the destination host based on this MTU. After the aging time expires, the dynamic Path MTU is removed and the source host re-determines a dynamic path MTU through the Path MTU mechanism. The aging time is invalid for a static Path MTU. Examples # Set the aging time for a dynamic Path MTU to 40 minutes. system-view [Sysname] ipv6 pathmtu age 40 Related commands display ipv6 pathmtu ipv6 redirects enable Use ipv6 redirects enable to enable sending ICMPv6 redirect messages. Use undo ipv6 redirects enable to disable sending ICMPv6 redirect messages. Syntax ipv6 redirects enable undo ipv6 redirects enable Default Sending ICMPv6 redirect messages is disabled. Views System view Predefined user roles network-admin Usage guidelines The default gateway sends an ICMPv6 redirect message to the source of an IPv6 packet to inform of a better first hop. Sending ICMPv6 redirect messages enables hosts that hold few routes to establish routing tables and find the best route. Because this function adds host route into the routing tables, host performance degrades when there are too many host routes. As a result, sending ICMPv6 redirect messages is disabled by default. Examples # Enable sending ICMPv6 redirect messages. system-view [Sysname] ipv6 redirects enable 194

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Parameters
age-time
: Specifies the aging time for Path MTU in minutes, in the range of 10 to 100.
Usage guidelines
After the path MTU from a source host to a destination host is dynamically determined, the source host
sends subsequent packets to the destination host based on this MTU. After the aging time expires, the
dynamic Path MTU is removed and the source host re-determines a dynamic path MTU through the Path
MTU mechanism.
The aging time is invalid for a static Path MTU.
Examples
# Set the aging time for a dynamic Path MTU to 40 minutes.
<Sysname> system-view
[Sysname] ipv6 pathmtu age 40
Related commands
display ipv6 pathmtu
ipv6 redirects enable
Use
ipv6 redirects enable
to enable sending ICMPv6 redirect messages.
Use
undo ipv6 redirects enable
to disable sending ICMPv6 redirect messages.
Syntax
ipv6 redirects enable
undo ipv6 redirects enable
Default
Sending ICMPv6 redirect messages is disabled.
Views
System view
Predefined user roles
network-admin
Usage guidelines
The default gateway sends an ICMPv6 redirect message to the source of an IPv6 packet to inform of a
better first hop.
Sending ICMPv6 redirect messages enables hosts that hold few routes to establish routing tables and find
the best route. Because this function adds host route into the routing tables, host performance degrades
when there are too many host routes. As a result, sending ICMPv6 redirect messages is disabled by
default.
Examples
# Enable sending ICMPv6 redirect messages.
<Sysname> system-view
[Sysname] ipv6 redirects enable