Huawei Quidway S6500 Series Operation Manual page 132

Operation Manual - Network Protocol
Quidway S6500 Series Ethernet Switches
Debug IPX packets with the debugging ipx packet command; check that IPX
packets are correctly received, transmitted, forwarded.
Fault 2: Packets are discarded.
Troubleshooting:
If the IPX packet debugging information shows that a packet is discarded
because "Packet size is greater than interface MTU!", do the following:
View the MTU setting on the VLAN interface with the display interface command and
the RIP/SAP packet size with the display ipx interface command. Check that the
RIP/SAP packet size is smaller than the MTU setting on the VLAN interface.
Fault 3: The switch cannot receive SAP packets on a VLAN interface.
Troubleshooting:
Use the display ipx interface command to check that SAP is not disabled on the
VLAN interface.
Fault 4: A type 20 IPX packet cannot be transmitted to other network segments.
Troubleshooting:
Execute the display ipx interface command; check that the forwarding of type 20
IPX packets is enabled on the input and output interfaces.
Debug IPX packets with the debugging ipx packet command to check that there
is no prompt message of "Transport Control field of IPX type-20 packet >= 8!" A
type 20 IPX packet can only be forwarded up to eight times; for the ninth
forwarding attempt, the packet is dropped.
II. Troubleshoot IPX RIP
Fault 1: The switch cannot learn routes from the peer device.
Troubleshooting:
Debug IPX RIP with the debugging ipx rip packet verbose command; check
that there is a RIP packet with routing information from the peer device to make
sure the underlying connection is available between the two devices.
If there is a RIP packet with routing information from the peer device, you can use
the debugging ipx rip event command to check that the received routing
information is added into the routing table.
Fault 2: Try to import a static route to RIP, but no static route is sent out.
Troubleshooting:
Use the display ipx routing-table command to check that the static route exists.
If the static route is not in the routing table, use the display ipx routing-table
verbose command to check that it exists as an inactive route and to check for the
inactive reason. When the route becomes active, it can be advertised as a RIP
route.
Huawei Technologies Proprietary
7-16
Chapter 7 IPX Configuration