PLANET XGS3-24040 - Manual (Page 267)

Chapter 35 RIP
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can be used during the operating procedure, including adding the contents of option 82, the
retransmitting policy adopted, the option 82 contents of the server peeled by the Relay Agent and etc.,
such information can help users to do troubleshooting.
 To implement the option 82 function of DHCP server, the “debug ip dhcp server packet” command can
be used during the operating procedure to display the procedure of data packets processing of the
server, including displaying the identified option 82 information of the request message and the option
82 information returned by the reply message.
 First ensure the physic connection is correct
 Second, ensure the interface and chain protocol are UP (use show interface command)
 Then initiate the RIP protocol (use router rip command) and configure the segment (use network
command) and set RIP protocol parameter on corresponding interfaces, such as the option between
RIP-I and RIP-II
 After that, one feature of RIP protocol should be noticed ---the Layer 3 switch running RIP protocol
sending route updating messages to all neighboring Layer 3 switches every 30 seconds. A Layer 3
switch is considered inaccessible if no route updating messages from the switch is received within 180
seconds, then the route to the switch will remains in the route table for 120 seconds before it is deleted.
Therefore, if to delete a RIP route, this route item is assured to be deleted from route table after 300
seconds. When exchanging routing messages with CE using RIP protocol on the PE router, we should
first create corresponding VPN routing/transmitting examples to associate with corresponding
interfaces. Then enter the RIP address family mode configuring corresponding parameters. If the RIP
routing problem remains unresolved, please use debug rip command to record the debug message in
three minutes, and send them to our technical service center.