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Syntax
ipv6 icmpv6 error-interval interval [ bucketsize ]
undo ipv6 icmpv6 error-interval
Default
The bucket allows a maximum of 10 tokens, and a token is placed in the bucket every 100
milliseconds.
Views
System view
Predefined user roles
network-admin
Parameters
interval: Specifies the interval for tokens to arrive in the bucket. The value range is 0 to 2147483647
milliseconds. To disable the ICMPv6 rate limit, set the value to 0.
bucketsize: Specifies the maximum number of tokens allowed in the bucket. The value range is 1 to
200.
Usage guidelines
This command limits the rate at which ICMPv6 error messages are sent. Use this command to
prevent network congestion caused by excessive ICMPv6 error messages generated within a short
period. A token bucket algorithm is used with one token representing one ICMPv6 error message.
A token is placed in the bucket at intervals until the maximum number of tokens that the bucket can
hold is reached.
A token is removed from the bucket when an ICMPv6 error message is sent. When the bucket is
empty, ICMPv6 error messages are not sent until a new token is placed in the bucket.
Examples
# Set the bucket size to 40 tokens and the interval for tokens to arrive in the bucket to 200
milliseconds for ICMPv6 error messages.
<Sysname> system-view
[Sysname] ipv6 icmpv6 error-interval 200 40
ipv6 icmpv6 multicast-echo-reply enable
Use ipv6 icmpv6 multicast-echo-reply enable to enable replying to multicast echo requests.
Use undo ipv6 icmpv6 multicast-echo-reply to restore the default.
Syntax
ipv6 icmpv6 multicast-echo-reply enable
undo ipv6 icmpv6 multicast-echo-reply enable
Default
The device is disabled from replying to multicast echo requests.
Views
System view
Predefined user roles
network-admin
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