H3C S6300 Series, Troubleshooting Manual

Page 1: ...reproduced or transmitted in any form or by any means without prior written consent of New H3C Technologies Co Ltd Except for the trademarks of New H3C Technologies Co Ltd any trademarks that may be m...

Page 2: ...wchart 7 Solution 7 Related commands 8 Troubleshooting IRF 9 IRF fabric establishment failure 9 Symptom 9 Troubleshooting flowchart 10 Solution 10 Related commands 12 Troubleshooting Ethernet link agg...

Page 3: ...rding failure 24 Symptom 24 Troubleshooting flowchart 25 Solution 25 Related commands 26 Protocol flapping 26 Symptom 26 Troubleshooting flowchart 26 Solution 26 Fan failure 27 Symptom 27 Troubleshoot...

Page 4: ...mation for common hardware issues NOTE This section describes how to troubleshoot unexpected switch reboot power supply failure and fan tray failure To troubleshoot ports see Troubleshooting ports Une...

Page 5: ...in to the switch through the console port and restart the switch If the system reports that a CRC error has occurred or that no system software image is available reload the system software image The...

Page 6: ...he power source If it has been disconnected from the power source The switch is being powered up with another power supply connect the power source to it b Verify that the power supply surface is clea...

Page 7: ...tom A trap or log is generated indicating that an operating fan tray or a newly installed fan tray is faulty Solution To resolve the issue 1 Execute the display fan command to display the operating st...

Page 8: ...operating temperature below 60 C 140 F the switch can be used temporarily 4 If the issue persists contact H3C Support Related commands This section lists the commands that you might use for troublesho...

Page 9: ...on To resolve the issue 1 Execute the display qos acl resource command and then check the Remaining field for ACL resources insufficiency If this field displays 0 the ACL hardware resources are exhaus...

Page 10: ...splay qos policy control plane slot slot number b If the QoS policy does not contain a class behavior association associate the traffic behavior with the traffic class c If the QoS policy contains a c...

Page 11: ...ACL is configured incorrectly reconfigure it If the ACL is configured correctly go to step 3 3 If the issue persists contact H3C Support Related commands This section lists the commands that you migh...

Page 12: ...9 Troubleshooting IRF This section provides troubleshooting information for common issues with IRF IRF fabric establishment failure Symptom An IRF fabric cannot be established...

Page 13: ...No Yes Yes No Yes No Yes You cannot add devices to the IRF fabric Yes No Member ID unique Modify IRF port bindings or reconnect physical ports Number of members fewer than the upper limit IRF port bin...

Page 14: ...ure the IRF port bindings or reconnect the physical IRF ports 4 Verify that the IRF links are 10 Gbps or 40 Gbps a Verify that the transceiver modules or cables for IRF connection are labeled with 10G...

Page 15: ...leshooting IRF Command Description display interface Displays interface information Use this command to verify that each IRF port has at least one physical port in up state display irf Displays IRF fa...

Page 16: ...ation This section provides troubleshooting information for common issues with Ethernet link aggregation Link aggregation failure Symptom Some member ports fail to be placed in Selected state and link...

Page 17: ...ational key attribute configurations same as the reference port Set operational key attribute configurations same as the reference port No Yes Set the number of member ports less than or equal to allo...

Page 18: ...rence port 6 Verify that the number of member ports in the aggregation group does not exceed the configured maximum number of Selected ports a Execute the link aggregation selected port maximum comman...

Page 19: ...To resolve the issue Speed duplex match at both ends Speed duplex match on port and transceiver module Configure matching speed duplex Resolved Configure matching speed duplex A fiber port failed to...

Page 20: ...rt operating correctly 4 Verify that the transceiver module and cable are operating correctly a Use the display transceiver alarm interface command to display the alarms present on the transceiver mod...

Page 21: ...and to set the rate and duplex mode for the port 2 Replace the network cable with a new one to verify that the network cable is in good condition 3 Replace the local port with a new one to verify that...

Page 22: ...c information Displays or saves running status data for multiple feature modules display interface brief Displays brief interface information display transceiver alarm interface Displays alarms presen...

Page 23: ...ayer 2 packet loss failure Incoming error packets No Yes Yes Troubleshoot the problem End No Yes Layer 2 packet loss Packets filtered by ACLs or QoS policies Troubleshoot the problem Port blocked No T...

Page 24: ...ulticast max ratio 100 Unicast max ratio 100 PVID 13 MDI type Automdix Port link type Access Tagged VLANs None Untagged VLANs 13 Port priority 0 Last link flapping Never Last clearing of counters Neve...

Page 25: ...hip port with which the interface is associated H3C probe debug port mapping slot 1 Interface Unit Port Name Combo Active IfIndex MID Link XGE1 0 1 0 1 xe0 no no 0x1 4 up XGE1 0 2 0 2 xe1 no no 0x2 4...

Page 26: ...ing or display ipv6 source binding command If IP source guard is configured but the packets match no entry further troubleshoot the issue based on the way the binding entries are created 3 Verify that...

Page 27: ...Displays whether an ACL has been successfully applied to an interface for packet filtering display qos policy Displays user defined QoS policy configuration information display qos policy interface Di...

Page 28: ...es are the same by using the display mac address command If the output interfaces are not the same execute the reset command to clear the ARP entries Then the switch can learn ARP entries again 3 Veri...

Page 29: ...routing table display mac address Display MAC address entries display fib Display FIB entries Protocol flapping Symptom The switch cannot send or receive protocol packets Troubleshooting flowchart Fig...

Page 30: ...1 ISIS 0 0 0 200 D On SMAC 8 2 ESIS 0 0 0 100 S On SMAC 8 3 CLNP 0 0 0 100 S On SMAC 8 4 VRRP 0 0 0 1024 S On SMAC 8 5 UNKNOWN_IPV4MC 0 0 0 100 S On SMAC 8 6 UNKNOWN_IPV6MC 0 0 0 100 S On SMAC 8 7 IPV...

Page 31: ...FanDirectionFault Airflow Direction Port to power Prefer Airflow Direction Power to port b If the preferred airflow direction is different use the fan prefer direction slot slot number power to port p...

Page 32: ...erate correctly check whether the fans are damaged If the fan status is fault replace the fan tray 3 If the issue persists contact H3C Support Related commands This section lists the commands that you...