96
9. (Optional.) Specify the next
echo requests.
• IPv4 address:
next-hop ip ip-address
• IPv6 address:
next-hop ipv6 ipv6-address
By default, no next hop IP address
is configured.
The
next-hop ipv6
command is
available in Release 1121 and
later.
Configuring the ICMP jitter operation
This feature is available in Release 1121 and later.
The ICMP jitter operation measures unidirectional and bidirectional jitters. The operation result helps
you to determine whether the network can carry jitter-sensitive services such as real-time voice and
video services.
The ICMP jitter operation works as follows:
1. The NQA client sends ICMP packets to the destination device.
2. The destination device time stamps each packet it receives, and then sends the packet back to
the NQA client.
3. Upon receiving the responses, the NQA client calculates the jitter according to the timestamps.
To configure the ICMP jitter operation:
1. Enter system view.
system-view
N/A
2.
Create an NQA operation
and enter NQA operation
view.
nqa
entry
admin-name
operation-tag
By default, no NQA operations
exist.
3. Specify the ICMP jitter type
and enter its view.
type icmp-jitter
N/A
4.
address of ICMP packets.
destination ip
ip-address
By default, no destination IP
address is specified.
5. (Optional.) Set the number of
ICMP
ICMP jitter operation.
probe packet-number
packet-number
The default setting is 10.
6.
(Optional.) Set the interval
for sending ICMP packets.
probe packet-interval
interval
The default setting is 20
milliseconds.
7. (Optional.) Specify how long
the NQA client waits for a
response from the server
before it regards the
response times out.
probe packet-timeout
timeout
The default setting is 3000
milliseconds.
8.
source IP address for ICMP
packets.
source ip
ip-address
By default, the packets take the
primary IP address of the output
interface as
address.
The source IP address must be
the IP address of a local interface,
and the interface must be up.
Otherwise, no ICMP packets can
be sent out.
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