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Troubleshooting Ethernet link
aggregation

This section provides troubleshooting information for common problems with Ethernet link
aggregation.

Link aggregation failure

Symptom

Some member ports fail to be placed in Selected state, and link aggregation does not operate
correctly.

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Содержание FlexNetwork 5130 Series

Страница 1: ...EI Switch Series Troubleshooting Guide Part number 5200 1218 Document version 6W102 20160429 The information in this document is subject to change without notice Copyright 2016 Hewlett Packard Enterp...

Страница 2: ...Symptom 7 Solution 7 Related commands 8 Troubleshooting ACL 9 ACL application failure with an error message 9 Symptom 9 Solution 9 ACL application failure without an error message 9 Symptom 9 Trouble...

Страница 3: ...rwarding failure 22 Symptom 22 Troubleshooting flowchart 22 Solution 22 Related commands 26 Layer 3 forwarding failure 27 Symptom 27 Troubleshooting flowchart 27 Solution 27 Related commands 28 Protoc...

Страница 4: ...ou have taken such as reconfiguration cable swapping and reboot Output from the commands executed during the troubleshooting process To ensure safety wear an ESD preventive wrist strap when you replac...

Страница 5: ...been saved to the file flash logfile logfile log 2 Identify the log file on each member device Display the log file on the master device Sysname dir flash logfile Directory of flash logfile 0 rw 2186...

Страница 6: ...ave operating statistics to a file to ensure that the information is retained NOTE The amount of time to collect statistics increases along with the number of IRF member devices To collect operating s...

Страница 7: ...delines Product serial numbers Technical support registration numbers if applicable This information will help the support engineer assist you as quickly as possible The following is the contact of He...

Страница 8: ...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 system...

Страница 9: ...perform the following steps a Verify that the power supply has not been disconnected from the power source If it has been disconnected from the power source connect the power source to it b Verify tha...

Страница 10: ...slot If the power supply remains in Absent state go to step 4 3 Remove and install the power supply into an idle power supply slot Then execute the display power command to verify that the power suppl...

Страница 11: ...s and directories display boot loader Displays current configuration files and system software images display environment Displays temperature information display fan Displays the operating states of...

Страница 12: ...acl resource command and then check the Remaining field for ACL resources insufficiency If this field displays 0 the ACL hardware resources are exhausted 2 To free hardware resources for packet filter...

Страница 13: ...orrectly reconfigure them If they are configured correctly go to step 2 2 Verify that the ACL is configured correctly Execute the display acl command to check whether the ACL is configured correctly I...

Страница 14: ...ies applied to the specified control plane display qos policy global Displays information about global QoS policies display qos policy interface Displays information about the QoS policies applied to...

Страница 15: ...on provides troubleshooting information for common problems with IRF IRF fabric establishment failure Symptom An IRF fabric cannot be established Troubleshooting flowchart Figure 3 Troubleshooting an...

Страница 16: ...the IRF port bindings c If there are binding errors or connection inconsistencies reconfigure the IRF port bindings or reconnect the physical IRF ports 4 Verify that the IRF links are 10 Gbps a Verif...

Страница 17: ...ction lists the commands that you might use for troubleshooting IRF Command Description display interface Displays interface information Use this command to verify that each IRF port has a minimum of...

Страница 18: ...tion This section provides troubleshooting information for common problems with Ethernet link aggregation Link aggregation failure Symptom Some member ports fail to be placed in Selected state and lin...

Страница 19: ...the reference port Are all physical connections correct Are all member ports up Connect physical links correctly Bring all member ports up No Yes No Yes Operational key attributes same as the referenc...

Страница 20: ...ber of Selected ports a Execute the link aggregation selected port maximum command to set the maximum number of Selected ports allowed in the aggregation group The value range is 1 to 16 b Execute the...

Страница 21: ...e on a fiber port No Yes No Yes No Yes Yes No No Yes Yes No No Yes Yes No No Yes Yes No A fiber port failed to come up Contact the support Resolved Speed duplex match on local and peer port Speed dupl...

Страница 22: ...that operates correctly If the port cannot come up you can determine that the local port fails Replace the local port with a new port that operates correctly 4 Verify that the transceiver module and c...

Страница 23: ...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 th...

Страница 24: ...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...

Страница 25: ...loss failure Solution To resolve the problem 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...

Страница 26: ...hardware failure To test the failure connect the cable that is connected to the local port to a correctly operating port for example Port A with the same configurations as the local port If Port A for...

Страница 27: ...ecute the command at least two times Sysname probe bcm slot 1 chip 0 show c ge16 RDBGC3 ge16 2 2 3 s GRMCA ge16 1 1 1 s GRBCA ge16 5 5 3 s GR64 ge16 5 5 3 s GR127 ge16 1 1 1 s GRPKT ge16 6 6 5 s GRBYT...

Страница 28: ...e STP on the port or configure the port as an edge port if the port is connected to a terminal device If the port belongs to an aggregation group execute the display link aggregation verbose command t...

Страница 29: ...iled information about the aggregation groups that correspond to the aggregate interfaces display mac address blackhole Displays blackhole MAC address entries display mac forced forwarding vlan Displa...

Страница 30: ...gging arp packet command to locate the problem If the switch learns no ARP entries you can execute the arp static command to configure static ARP entries b Execute the display mac address command to v...

Страница 31: ...e the reset command to clear the route entries Then the switch can learn route entries again 4 If the problem persists contact Hewlett Packard Enterprise Support Related commands This section lists th...

Страница 32: ...300 S On SMAC 0 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...

Страница 33: ...30 When you contact Hewlett Packard Enterprise Support provide diagnostic information if software related packet loss occurred...

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