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PRIMECLUSTER Global Link Services Configuration and AdministrationGuide 4.3Redundant Line Control Function

6.1.2 Collecting packet traces

If you want to collect packet traces of virtual interfaces, follow the example below.

  1. Execute hanetconfig print to check the physical interfaces bundled with the virtual interface which you want to obtain.

    [IPv4,Patrol / Virtual NIC]                                                
     Name        Hostname        Mode Physical ipaddr   Interface List              
    +-----------+---------------+----+-----------------+---------------------------+
     sha0        192.168.1.110    t                     eth0,eth1                   
     sha1        192.168.10.110   d   192.160.10.10     eth2,eth3                   
     sha12       -                p   -                 sha1                        
     sha2        192.168.100.110  c                     eth4,eth5                   
  2. Execute the tethereal command or tcpdump command to collect packet traces.

    If a virtual interface bundles several physical interfaces, execute tethereal(1) command or tcpdump(1) command for all physical interfaces in the bundle.

    Execution examples are shown below:

    • sha0

      # tethereal -i eth0 -w /tmp/packet_trace.eth0
      # tethereal -i eth1 -w /tmp/packet_trace.eth1
    • sha1 and sha12

      # tethereal -i eth2 -w /tmp/packet_trace.eth2
      # tethereal -I eth3 -w /tmp/packet_trace.eth3
    • sha2

      # tethereal -i eth4 -w /tmp/packet_trace.eth4
      # tethereal -i eth5 -w /tmp/packet_trace.eth5

    See

    For tethereal(1) command or tcpdump(1) command, refer to the Linux manual.

    Note

    If you execute the tethereal(1) command or tcpdump(1) command for a virtual interface, you can only collect some packets. Execute the command for a physical interface to collect packet traces.