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Troubleshooting flowchart
Figure 7 Troubleshooting a forwarding failure
Solution
To resolve the problem:
1. Identify the characteristics of the packets that are not forwarded correctly.
Use a packet capture tool to identify the characteristics of the traffic, such as the IP address, MAC
address, or VLAN. Make sure the characteristics are unique among traffic to be forwarded.
2. Configure a QoS policy and apply it to interfaces:
Figure 8 Traffic path
a. Configure a QoS policy according to the traffic characteristics. This example uses destination
IP address 2.2.2.2.
<Sysname> system-view
System View: return to User View with Ctrl+Z.
[Sysname] time-range t1 from 12:00 11/11/2013 to 12:01 11/11/2013
[Sysname] acl number 3000 name geliACL
[Sysname-acl-adv-3000-geliACL] rule 0 permit ip destination 2.2.2.2 0 time-range
t1
[Sysname-acl-adv-3000-geliACL] quit
[Sysname] traffic classifier count
[Sysname-classifier-count] if-match acl 3000
[Sysname-classifier-count] quit
[Sysname] traffic behavior count
[Sysname-behavior-count] accounting packet
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