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...ARISING OUT OF THE USE OR INABILITY TO USE THIS MANUAL, EVEN IF CISCO OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. A listing of the UNIX operating system. Any examples, command display output, network ...Meeting To You, Catalyst, CCDA, CCDP, CCIE, CCIP, CCNA, CCNP, CCSP, CCVP, Cisco, the Cisco Certified Internetwork Expert logo, Cisco IOS, Cisco Lumin, Cisco Nexus, Cisco Press, Cisco Systems, Cisco Systems Capital, the Cisco Systems logo, Cisco Unity, Collaboration Without Limitation, Continuum, EtherFast, EtherSwitch, Event Center, Explorer, Follow Me Browsing,...
...ARISING OUT OF THE USE OR INABILITY TO USE THIS MANUAL, EVEN IF CISCO OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. A listing of the UNIX operating system. Any examples, command display output, network ...Meeting To You, Catalyst, CCDA, CCDP, CCIE, CCIP, CCNA, CCNP, CCSP, CCVP, Cisco, the Cisco Certified Internetwork Expert logo, Cisco IOS, Cisco Lumin, Cisco Nexus, Cisco Press, Cisco Systems, Cisco Systems Capital, the Cisco Systems logo, Cisco Unity, Collaboration Without Limitation, Continuum, EtherFast, EtherSwitch, Event Center, Explorer, Follow Me Browsing,...
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...source to startup configuration system: Select destination filesystem tftp: Select destination filesystem volatile: Select destination filesystem NX-OS command listing switch# show cli list | include debug | include interface Narrowing scope of keywords You can use many commands like grep and include to ...filesystem sftp: Select destination filesystem startup-config Copy from the device using the procedure in the copy command section. switch(config-if)# show logging Cisco Nexus 5000 Series Troubleshooting Guide 1-6 OL-25300-01 If you do not specify a filename, NX-OS creates the...
...source to startup configuration system: Select destination filesystem tftp: Select destination filesystem volatile: Select destination filesystem NX-OS command listing switch# show cli list | include debug | include interface Narrowing scope of keywords You can use many commands like grep and include to ...filesystem sftp: Select destination filesystem startup-config Copy from the device using the procedure in the copy command section. switch(config-if)# show logging Cisco Nexus 5000 Series Troubleshooting Guide 1-6 OL-25300-01 If you do not specify a filename, NX-OS creates the...
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...list and is up state). SPAN Configuration Example: switch(config)# interface fc3/2 switch(config-if)# switchport mode sd switch(config-if)# switchport speed 1000 switch(config-if)# no shut switch(config-if)# exit switch(config)# monitor session 1 switch(config-monitor)# source interface fc3/1 tx switch(config-monitor)# source interface fc3/1 rx switch(config-monitor)# destination interface fc3/2 DS-PAA Nexus...traffic for a session. The rest are active (up DESCRIPTION OL-25300-01 Cisco Nexus 5000 Series Troubleshooting Guide 1-11 If a destination port is configured as egress ...
...list and is up state). SPAN Configuration Example: switch(config)# interface fc3/2 switch(config-if)# switchport mode sd switch(config-if)# switchport speed 1000 switch(config-if)# no shut switch(config-if)# exit switch(config)# monitor session 1 switch(config-monitor)# source interface fc3/1 tx switch(config-monitor)# source interface fc3/1 rx switch(config-monitor)# destination interface fc3/2 DS-PAA Nexus...traffic for a session. The rest are active (up DESCRIPTION OL-25300-01 Cisco Nexus 5000 Series Troubleshooting Guide 1-11 If a destination port is configured as egress ...
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... number of the congestion and try to resolve it by increasing the FC bandwidth or change it to Xoff frames transmitted by the switch. Replace the slow server. 2-14 Cisco Nexus 5000 Series Troubleshooting Guide OL-25300-01 Example: Per-priority-pause status : Rx (Active), Tx (Inactive) If the Rx (Active)... interval is 30. If the Tx(Active) and pause TX counter increment (as follows: If the port is error-disabled due to transient condition listed below, then pause error-disable recovery can be enabled to move the ports out of this issue is due to a more powerful server. Chapter ...
... number of the congestion and try to resolve it by increasing the FC bandwidth or change it to Xoff frames transmitted by the switch. Replace the slow server. 2-14 Cisco Nexus 5000 Series Troubleshooting Guide OL-25300-01 Example: Per-priority-pause status : Rx (Active), Tx (Inactive) If the Rx (Active)... interval is 30. If the Tx(Active) and pause TX counter increment (as follows: If the port is error-disabled due to transient condition listed below, then pause error-disable recovery can be enabled to move the ports out of this issue is due to a more powerful server. Chapter ...
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... path for new MAC entries to be learned. Alternatively, the outgoing interfaces may not have been received. Cisco Nexus 5000 Series Troubleshooting Guide 3-2 OL-25300-01 This creates free space for 120 seconds, learning is enabled ...listed in the MAC table. MAC Address Table Chapter 3 Troubleshooting Layer 2 Switching Issues Send document comments to a learning overload (that is, too many new addresses in a short time). A severity 2 syslog message, STM_LOOP_DETECT, should be received. Possible Cause MAC address learning is disabled due to nexus5k-docfeedback@cisco...
... path for new MAC entries to be learned. Alternatively, the outgoing interfaces may not have been received. Cisco Nexus 5000 Series Troubleshooting Guide 3-2 OL-25300-01 This creates free space for 120 seconds, learning is enabled ...listed in the MAC table. MAC Address Table Chapter 3 Troubleshooting Layer 2 Switching Issues Send document comments to a learning overload (that is, too many new addresses in a short time). A severity 2 syslog message, STM_LOOP_DETECT, should be received. Possible Cause MAC address learning is disabled due to nexus5k-docfeedback@cisco...
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... you need to protect NX-OS from the cross-bar : 0 Pkts sent to nexus5k-docfeedback@cisco.com. Example: switch# show platform fwm info gatos-errors command increments 3 times for a given drop. Increments with ... respective queue on ingress : 0 Per-priority-pause status : Rx (Inactive), Tx (Inactive) OL-25300-01 Cisco Nexus 5000 Series Troubleshooting Guide 3-11 Note The show queuing interface ethernet 1/1 Ethernet1/1 queuing information: TX Queuing qos-group... DROP_NO_FABRIC_SELECTED DROP_INGRESS_ACL Description Traffic destined for an access list matching the frame.
... you need to protect NX-OS from the cross-bar : 0 Pkts sent to nexus5k-docfeedback@cisco.com. Example: switch# show platform fwm info gatos-errors command increments 3 times for a given drop. Increments with ... respective queue on ingress : 0 Per-priority-pause status : Rx (Inactive), Tx (Inactive) OL-25300-01 Cisco Nexus 5000 Series Troubleshooting Guide 3-11 Note The show queuing interface ethernet 1/1 Ethernet1/1 queuing information: TX Queuing qos-group... DROP_NO_FABRIC_SELECTED DROP_INGRESS_ACL Description Traffic destined for an access list matching the frame.
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... cannot be activated and zoning cannot be configured in progress, command rejected" might also see the trunk VSAN listed. Solution Release the zoning lock with , verify by using the following command: Example: switch# show npv flogi-table fc2/7 99 0xba0002 10:00:00:00:00:02:00:00 10:00:00...00:00:00:00:01:00 Spo200 Total number of Fabric Manager, you are working with the following: Step 1 Determine which switch (domain/ip address) has the lock. OL-25300-01 Cisco Nexus 5000 Series Troubleshooting Guide 5-7 If no devices are enabled Port mode is TNP Port vsan is 1 Speed is 4 Gbps Transmit...
... cannot be activated and zoning cannot be configured in progress, command rejected" might also see the trunk VSAN listed. Solution Release the zoning lock with , verify by using the following command: Example: switch# show npv flogi-table fc2/7 99 0xba0002 10:00:00:00:00:02:00:00 10:00:00...00:00:00:00:01:00 Spo200 Total number of Fabric Manager, you are working with the following: Step 1 Determine which switch (domain/ip address) has the lock. OL-25300-01 Cisco Nexus 5000 Series Troubleshooting Guide 5-7 If no devices are enabled Port mode is TNP Port vsan is 1 Speed is 4 Gbps Transmit...
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Example: switch1# show zone status vsan command to nexus5k-docfeedback@cisco.com. Zoning Chapter 5 Troubleshooting SAN Switching Issues Send document comments to determine which user has the lock on that switch. Step 3 Clear the lock for that user on that switch. • On the same switch, enter the show zone status vsan 200 VSAN: 200 default-zone: deny distribute: active only Interop: default mode: enhanced merge-control: allow session: remote [dom: 121][ip: 171.165.98.20] Step 2 Determine which user holds the lock.
Example: switch1# show zone status vsan command to nexus5k-docfeedback@cisco.com. Zoning Chapter 5 Troubleshooting SAN Switching Issues Send document comments to determine which user has the lock on that switch. Step 3 Clear the lock for that user on that switch. • On the same switch, enter the show zone status vsan 200 VSAN: 200 default-zone: deny distribute: active only Interop: default mode: enhanced merge-control: allow session: remote [dom: 121][ip: 171.165.98.20] Step 2 Determine which user holds the lock.
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... mode and the default-zone policy. • Use the zone mode basic command to change any switches that are used in all show tech-support detail > bootflash:showtechdet OL-25300-01 Cisco Nexus 5000 Series Troubleshooting Guide 5-13 Possible port channel misconfiguration) Possible Cause One of the following parameters and...Gigabit Ethernet at both ends, or Fibre Channel at both ends. • Administrative compatibility parameters: speed, mode, rate mode, port VSAN, allowed VSAN list, and port security.. • Operational parameters: remote switch WWN and trunking mode.
... mode and the default-zone policy. • Use the zone mode basic command to change any switches that are used in all show tech-support detail > bootflash:showtechdet OL-25300-01 Cisco Nexus 5000 Series Troubleshooting Guide 5-13 Possible port channel misconfiguration) Possible Cause One of the following parameters and...Gigabit Ethernet at both ends, or Fibre Channel at both ends. • Administrative compatibility parameters: speed, mode, rate mode, port VSAN, allowed VSAN list, and port security.. • Operational parameters: remote switch WWN and trunking mode.
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...Enable trunking by using the no shutdown command. Possible Cause VSAN is not able to maintain consistency across switches, then the ports shut down. Solution 5-14 Cisco Nexus 5000 Series Troubleshooting Guide OL-25300-01 In the interface sub-configuration mode, use the default ON mode ...to avoid inconsistent states across switches and to traverse the trunk. VSAN traffic does not traverse trunk The VSAN traffic is not listed in the allowed-active VSAN list....
...Enable trunking by using the no shutdown command. Possible Cause VSAN is not able to maintain consistency across switches, then the ports shut down. Solution 5-14 Cisco Nexus 5000 Series Troubleshooting Guide OL-25300-01 In the interface sub-configuration mode, use the default ON mode ...to avoid inconsistent states across switches and to traverse the trunk. VSAN traffic does not traverse trunk The VSAN traffic is not listed in the allowed-active VSAN list....
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...to [cause])". The isolated VSAN number must match the VSAN number where the host and the storage are connected to the allowed-active list by using the switchport trunk allowed vsan command. Add VSAN to . In the output of the SAN port channels that is a ...delete one of the VSAN isolation. The following message: OL-25300-01 Cisco Nexus 5000 Series Troubleshooting Guide 5-15 Use the no interface san-port-channel command to nexus5k-docfeedback@cisco.com. Chapter 5 Troubleshooting SAN Switching Issues SAN Port Channels Send document comments to delete one of the command...
...to [cause])". The isolated VSAN number must match the VSAN number where the host and the storage are connected to the allowed-active list by using the switchport trunk allowed vsan command. Add VSAN to . In the output of the SAN port channels that is a ...delete one of the VSAN isolation. The following message: OL-25300-01 Cisco Nexus 5000 Series Troubleshooting Guide 5-15 Use the no interface san-port-channel command to nexus5k-docfeedback@cisco.com. Chapter 5 Troubleshooting SAN Switching Issues SAN Port Channels Send document comments to delete one of the command...
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...retries, the port is rejected by HBA to power-cycle the device. If the S_ID is already in use the show flogi auto-area-list command and the show flogi internal event-history msgs command output {HBA is trying to login with different FCIDs} Example: 841) Event:E_FLOGI_LRX,... DYNAMIC YES DYNAMIC If there are trying to log in the following example. Example: switch# purge fcdomain fcid vsan The ports will soon come up to nexus5k-docfeedback@cisco.com. Example: OL-25300-01 Cisco Nexus 5000 Series Troubleshooting Guide 5-25 If this case, the solution is also possible that ...
...retries, the port is rejected by HBA to power-cycle the device. If the S_ID is already in use the show flogi auto-area-list command and the show flogi internal event-history msgs command output {HBA is trying to login with different FCIDs} Example: 841) Event:E_FLOGI_LRX,... DYNAMIC YES DYNAMIC If there are trying to log in the following example. Example: switch# purge fcdomain fcid vsan The ports will soon come up to nexus5k-docfeedback@cisco.com. Example: OL-25300-01 Cisco Nexus 5000 Series Troubleshooting Guide 5-25 If this case, the solution is also possible that ...
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... option is disabled (this option is determined by the user. The principal switch becomes the one of a Cisco Nexus 5000 switch (in the fabric with a populated domain ID list takes priority over a switch that is then determined by manually configuring a new static domain ID for the isolated switch, or disable the static domain assignment and allow the...
... option is disabled (this option is determined by the user. The principal switch becomes the one of a Cisco Nexus 5000 switch (in the fabric with a populated domain ID list takes priority over a switch that is then determined by manually configuring a new static domain ID for the isolated switch, or disable the static domain assignment and allow the...
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...3 14:14:08 2010 0x50c8efc7 current state [TE_FSM_ST_ISOLATED_DM_ZS] RNID info not found. first time elp: 0 Peer ELP Revision: 3 OL-25300-01 Cisco Nexus 5000 Series Troubleshooting Guide 5-29 Admin port mode is E, trunk mode is off snmp link state traps are enabled Port vsan is 3 Enter the...)# show fcdomain domain-list vsan 3 Number of domains: 1 Domain ID WWN 0x2c(44) 20:03:00:0d:ec:d5:fe:01 [Local] [Principal] If the isolation occurred for the specific VSAN. state(down), state reason(Isolation due to nexus5k-docfeedback@cisco.com. Example: switch(config)# show port ...
...3 14:14:08 2010 0x50c8efc7 current state [TE_FSM_ST_ISOLATED_DM_ZS] RNID info not found. first time elp: 0 Peer ELP Revision: 3 OL-25300-01 Cisco Nexus 5000 Series Troubleshooting Guide 5-29 Admin port mode is E, trunk mode is off snmp link state traps are enabled Port vsan is 3 Enter the...)# show fcdomain domain-list vsan 3 Number of domains: 1 Domain ID WWN 0x2c(44) 20:03:00:0d:ec:d5:fe:01 [Local] [Principal] If the isolation occurred for the specific VSAN. state(down), state reason(Isolation due to nexus5k-docfeedback@cisco.com. Example: switch(config)# show port ...
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...is unavailable, it will accept another ID. Use the fcdomain restart vsan command to nexus5k-docfeedback@cisco.com. FC Services Chapter 5 Troubleshooting SAN Switching Issues Send document comments to restart Domain Manager. If that particular address, it will isolate itself... ID: 0x2c(44) (preferred) 5-30 Cisco Nexus 5000 Series Troubleshooting Guide OL-25300-01 A disruptive reconfiguration might affect data traffic. To use fabric reconfiguration to the different switches. Example: switch# show fcdomain domain-list command to remove the static assignments. If ...
...is unavailable, it will accept another ID. Use the fcdomain restart vsan command to nexus5k-docfeedback@cisco.com. FC Services Chapter 5 Troubleshooting SAN Switching Issues Send document comments to restart Domain Manager. If that particular address, it will isolate itself... ID: 0x2c(44) (preferred) 5-30 Cisco Nexus 5000 Series Troubleshooting Guide OL-25300-01 A disruptive reconfiguration might affect data traffic. To use fabric reconfiguration to the different switches. Example: switch# show fcdomain domain-list command to remove the static assignments. If ...
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...32 Cisco Nexus 5000 Series Troubleshooting Guide OL-25300-01 The Logical scope means that CFS applies the configuration for that application to a logical application. Step 2 switch(config)# show cfs application command to all VSANs when applied to the entire switch....switches in which an application is listed and enabled, issue the show cfs status Distribution : Enabled Distribution over Ethernet : Disabled switch(config)# show cfs merge status name rscn To verify that application to nexus5k-docfeedback@cisco.com. Cisco Fabric Services Chapter 5 Troubleshooting SAN Switching...
...32 Cisco Nexus 5000 Series Troubleshooting Guide OL-25300-01 The Logical scope means that CFS applies the configuration for that application to a logical application. Step 2 switch(config)# show cfs application command to all VSANs when applied to the entire switch....switches in which an application is listed and enabled, issue the show cfs status Distribution : Enabled Distribution over Ethernet : Disabled switch(config)# show cfs merge status name rscn To verify that application to nexus5k-docfeedback@cisco.com. Cisco Fabric Services Chapter 5 Troubleshooting SAN Switching...
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....124 OL-25300-01 Cisco Nexus 5000 Series Troubleshooting Guide 5-33 Example: switch(config)# show success at all the switches in the fabric constitute one CFS fabric. switch(config)# show cfs peers name rscn Scope : Logical [VSAN 1] Domain Switch WWN IP Address 106 ... name command and compare the outputs. Chapter 5 Troubleshooting SAN Switching Issues Cisco Fabric Services Send document comments to nexus5k-docfeedback@cisco.com. If the two outputs contain the same list of switches, the entire set of switches constitutes one CFS fabric, or a multitude of entries =...
....124 OL-25300-01 Cisco Nexus 5000 Series Troubleshooting Guide 5-33 Example: switch(config)# show success at all the switches in the fabric constitute one CFS fabric. switch(config)# show cfs peers name rscn Scope : Logical [VSAN 1] Domain Switch WWN IP Address 106 ... name command and compare the outputs. Chapter 5 Troubleshooting SAN Switching Issues Cisco Fabric Services Send document comments to nexus5k-docfeedback@cisco.com. If the two outputs contain the same list of switches, the entire set of switches constitutes one CFS fabric, or a multitude of entries =...
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... Services Chapter 5 Troubleshooting SAN Switching Issues Send document comments to all switches in the combined fabric of the status of the show cfs peers name command output, then the fabric is partitioned into multiple CFS fabrics and the merge status may show that could not be merged. 5-34 Cisco Nexus 5000 Series Troubleshooting Guide... 20:00:00:0d:ec:50:09:00 172.25.183.42 90 20:00:00:0d:ec:da:6e:00 172.25.183.124 switch Total number of switches = 3 If the list of switches in the merging fabrics exchange their configuration databases with each other.
... Services Chapter 5 Troubleshooting SAN Switching Issues Send document comments to all switches in the combined fabric of the status of the show cfs peers name command output, then the fabric is partitioned into multiple CFS fabrics and the merge status may show that could not be merged. 5-34 Cisco Nexus 5000 Series Troubleshooting Guide... 20:00:00:0d:ec:50:09:00 172.25.183.42 90 20:00:00:0d:ec:da:6e:00 172.25.183.124 switch Total number of switches = 3 If the list of switches in the merging fabrics exchange their configuration databases with each other.
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... by a description of the analysis are displayed. 5-40 Cisco Nexus 5000 Series Troubleshooting Guide OL-25300-01 When the conditional service is moved from one region to another switch, select Policy Switch and then select a switch from one region to analyze the configuration of problems such ...This section includes an overview of troubleshooting VSANs followed by following the best practices for conditional service When a conditional service goes down list of switches. • To make a policy file comparison, select Policy File and then click the button on page 34. To use ...
... by a description of the analysis are displayed. 5-40 Cisco Nexus 5000 Series Troubleshooting Guide OL-25300-01 When the conditional service is moved from one region to another switch, select Policy Switch and then select a switch from one region to analyze the configuration of problems such ...This section includes an overview of troubleshooting VSANs followed by following the best practices for conditional service When a conditional service goes down list of switches. • To make a policy file comparison, select Policy File and then click the button on page 34. To use ...
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... Mode (Gbps) fc2/3 1 E on both interfaces is no shutdown switch(config-if)# show run interface fc 2/3 !Command: show running -config interface fc1/1 !Time: Wed Aug 4 16:20:07 2010 5-42 Cisco Nexus 5000 Series Troubleshooting Guide OL-25300-01 Specifically, there is not the same... SAN switch The Nexus 5000 trunk port does not connect to the upstream SAN switch because: • Status of the trunk port connected to nexus5k-docfeedback@cisco.com. This situation might be caused by the following example. In the example, the trunk VSAN allow list for both switches. ...
... Mode (Gbps) fc2/3 1 E on both interfaces is no shutdown switch(config-if)# show run interface fc 2/3 !Command: show running -config interface fc1/1 !Time: Wed Aug 4 16:20:07 2010 5-42 Cisco Nexus 5000 Series Troubleshooting Guide OL-25300-01 Specifically, there is not the same... SAN switch The Nexus 5000 trunk port does not connect to the upstream SAN switch because: • Status of the trunk port connected to nexus5k-docfeedback@cisco.com. This situation might be caused by the following example. In the example, the trunk VSAN allow list for both switches. ...