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Configure ICMP-path-jitter Entity to Detect Network Communication

Network Requirement

  • Use the ICMP-path-jitter entity on Device1, detecting the path network communication from Device1 to Device3.

Network Topology

Networking of configuring the ICMP-path-jitter entity

Figure 3–3 Networking of configuring the ICMP-path-jitter entity

Configuration Steps

Step 1: Configure VLAN and add the port to the corresponding VLAN. (Omitted)

Step 2: Configure the IP address and route of the interface, making Device1, Device2, and Device3 communicate with each other. (Omitted)

Step 3: Configure the ICMP-path-jitter entity and add the attribute parameters.

#Configure Device1.

Device1#config terminal
Device1(config)#rtr enable
Device1(config)#rtr 1 icmp-path-jitter
Device1(config-rtr-icmppathjitter)#set dest-ipaddr 192.0.0.2 10 20 source-ipaddr 110.1.0.1
Device1(config-rtr-icmppathjitter)#number-of-history-kept 255
Device1(config-rtr-icmppathjitter)#targetOnly false
Device1(config-rtr-icmppathjitter)#exit

#View the ICMP-path-jitter entity parameters.

Device1#show rtr entity 1
------------------------------------------------------------------
 	 ID:1            name:IcmpPathJitter1            Created:TRUE 
**********************type:ICMPPATHJITTER****************
CreatedTime:WED OCT 24 10:54:31 2012
LatestModifiedTime:WED OCT 24 10:56:12 2012 
Times-of-schedule:0
TargetIp:192.0.0.2
SourceIp:110.1.0.1 
Transmit-packets:10 (each hop)
Packets-interval:20(ms)
Request-data-size:70
Timeout:5000(ms)
Frequency:60(s)
TargetOnly:FALSE 
Verify-data:FALSE
Alarm-type:none 
Threshold-of-rtt:9000(ms) direction:be
Threshold-of-pktLoss: 200000000 direction:be
Threshold-of-jitter:6000(ms) direction:be
Number-of-history-kept:255 
Periods:1 
In-scheduling:FALSE
Status:DEFAULT 

The result shows that the entity parameters are consistent with the configuration.

In-scheduling:FALSE indicates that the entity is not scheduled.

Status:DEFAULT indicates that the entity status is DEFAULT.

Step 4: Schedule the defined ICMP-path-jitter entity and define the attribute parameters of the scheduling.

#Configure Device1.

Device1(config)#rtr schedule 1 entity 1 start now ageout 100 life foreve

Step 5: Check the result.

#View the entity status.

Device1#show rtr entity 1 
---------------------------------------------------------------------
 	 ID:1            name:IcmpPathJitter1            Created:TRUE 
**********************type:ICMPPATHJITTER****************
CreatedTime:WED OCT 24 10:54:31 2012
LatestModifiedTime:WED OCT 24 10:56:12 2012 
Times-of-schedule:4 
Time-of-last-schedule:WED OCT 24 11:00:25 2012
TargetIp:192.0.0.2 
SourceIp:110.1.0.1 
Transmit-packets:10 (each hop)
Packets-interval:20(ms)
Request-data-size:70
Timeout:5000(ms)
Frequency:60(s)
TargetOnly:FALSE 
Verify-data:FALSE
Alarm-type:none 
Threshold-of-rtt:9000(ms) direction:be
Threshold-of-pktLoss: 200000000 direction:be
Threshold-of-jitter:6000(ms) direction:be
Number-of-history-kept:255 
Periods:1 
In-scheduling:TRUE
Status:REACHABLE 

In-scheduling: TRUE indicates that the entity is being scheduled.

Status:REACHABLE indicates that the entity status is reachable, that is, the network connection from Device1to Device3 is normal.

#View the history record content.

Device1#show rtr history 1 
---------------------------------------------------------------------------
ID:1    Name:IcmpPathJitter1 
History of hop-by-hop: 
 110.1.0.2   PktLoss:0    Rtt:1    (ms),Jitter:0    (ms) 
 192.0.0.2   PktLoss:0    Rtt:0    (ms),Jitter:0    (ms)
History of record from source to dest: 
CurHistorySize:4    MaxHistorysize:255
WED OCT 24 11:00:25 2012 
        PktLoss:0    ,Rtt:1    (ms),Jitter:0    (ms)
WED OCT 24 10:59:25 2012 
        PktLoss:0    ,Rtt:0    (ms),Jitter:0    (ms)
WED OCT 24 10:58:25 2012 
        PktLoss:0    ,Rtt:0    (ms),Jitter:0    (ms)
WED OCT 24 10:57:25 2012 
        PktLoss:0    ,Rtt:0    (ms),Jitter:0    (ms) 
---------------------------------------------------------------------------

In the history records, record the packet loss, delay and jitter of each scheduling.