Cisco Nexus 5596UP SFP Problem

Hi All,
We are using Cisco Nexus 5596UP on DC.
we want to use 1g-mm gbic for fiber connection, but do not link up
sh int 1/29 trans det
    transceiver is present
    type is 1000base-SX
    name is CISCO-FINISAR
    part number is FTRJ-8519-7D-CSC
    revision is --
    serial number is FNS0841A2RK
    nominal bitrate is 1200 MBit/sec
    Link length supported for 50/125um fiber is 550 m
    Link length supported for 62.5/125um fiber is 300 m
    cisco id is --
    cisco extended id number is 4
   Transceiver calibration is invalid
sh int eth 1/29
Ethernet1/29 is down (Link not connected)
Hardware: 1000/10000 Ethernet, address: 0005.73e8.bea4 (bia 0005.73e8.bea4)
Description: Zer_fiber
MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,
     reliability 0/255, txload 1/255, rxload 1/255
Encapsulation ARPA
Port mode is access
full-duplex, 1000 Mb/s, media type is 10G
Beacon is turned off
Input flow-control is off, output flow-control is off
Rate mode is dedicated
Switchport monitor is off
EtherType is 0x8100
Last link flapped never
Last clearing of "show interface" counters 07:11:12
30 seconds input rate 0 bits/sec, 0 bytes/sec, 0 packets/sec
30 seconds output rate 0 bits/sec, 0 bytes/sec, 0 packets/sec
Load-Interval #2: 5 minute (300 seconds)
    input rate 0 bps, 0 pps; output rate 0 bps, 0 pps
RX
    0 unicast packets 928 multicast packets 0 broadcast packets
    928 input packets 6764 bytes
    0 jumbo packets 0 storm suppression bytes
    0 giants 928 input error 0 short frame 0 overrun   0 underrun
    0 watchdog 0 if down drop
    0 input with dribble 0 input discard
    0 Rx pause
TX
    0 unicast packets 0 multicast packets 0 broadcast packets
    0 output packets 0 bytes
    0 jumbo packets
    0 output errors 0 collision 0 deferred 0 late collision
    0 lost carrier 0 no carrier 0 babble
    0 Tx pause
0 interface resets

Hi,
We are using 1000Base-SX SFP in N7K with release 6.0.2,
But, we can't use 1000Base-SX in 5596UP with release 5.0(3)N2(2b)
1000Base-SX writes are supported on the web page you suggested. However, in accordance with the following configuration does not work.
sh run int eth1/29
interface Ethernet1/29
switchport access vlan 645
speed 1000
duplex full
sh int status | inc 1/29
Port          Name               Status    Vlan      Duplex Speed   Type
Eth1/29       ---          notconnec 645       full    1000    1/10g
sh int eth 1/29
Ethernet1/29 is down (Link not connected) - But link connected...
Hardware: 1000/10000 Ethernet, address: 0005.73e8.bea4 (bia 0005.73e8.bea4)
Description: ---
MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,
     reliability 0/255, txload 1/255, rxload 1/255
Encapsulation ARPA
Port mode is access
full-duplex, 1000 Mb/s, media type is 10G
Beacon is turned off
sh int eth 1/29 transceiver details
Ethernet1/29
    transceiver is present
    type is 1000base-SX
    name is CISCO-FINISAR
    part number is FTRJ-8519-7D-CSC
    revision is --
    serial number is FNS0841A2RK
    nominal bitrate is 1200 MBit/sec
    Link length supported for 50/125um fiber is 550 m
    Link length supported for 62.5/125um fiber is 300 m
    cisco id is --
    cisco extended id number is 4
   Transceiver calibration is invalid
thank you for your interest
Regards,
Yücel

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Ask the Expert: Cisco Nexus 2000, 5000, and 6000 Series Switches

with Cisco Expert Vinayak Sudame
Welcome to the Cisco Support Community Ask the Expert conversation. This is an opportunity to learn and ask questions how to configure and troubleshoot the Cisco Nexus 2000, 5000 and 6000 Series Switches with Cisco subject matter expert Vinayak Sudame. You can ask any question on configuration, troubleshooting, features, design and Fiber Channel over Ethernet (FCoE).
Vinayak Sudame is a Technical Lead in Data Center Switching Support Team within Cisco's Technical Services in RTP, North Carolina. His current responsibilities include but are not limited to Troubleshooting Technical support problems and Escalations in the areas of Nexus 5000, Nexus 2000, FCoE. Vinayak is also involved in developing technical content for Cisco Internal as well as external. eg, Nexus 5000 Troubleshooting Guide (CCO), Nexus 5000 portal (partners), etc. This involves cross team collaboration and working with multiple different teams within Cisco. Vinayak has also contributed to training account teams and partners in CAE (Customer Assurance Engineering) bootcamp dealing with Nexus 5000 technologies. In the past, Vinayak's responsibilities included supporting MDS platform (Fiber Channel Technologies) and work with EMC support on Escalated MDS cases. Vinayak was the Subject Matter Expert for Santap Technologies before moving to Nexus 5000 support. Vinayak holds a Masters in Electrical Engineering with Specialization in Networking from Wichita State University, Kansas. He also holds Cisco Certification CCIE (#20672) in Routing and Switching.
Remember to use the rating system to let Vinayak know if you have received an adequate response.
Vinayak might not be able to answer each question due to the volume expected during this event. Remember that you can continue the conversation on the Data Center sub-community, Other Data Center Topics discussion forum shortly after the event.
This event last through Friday July 12, 2013. Visit the community often to view responses to youe questions of other community members.

Hi Vinayak,
Output of "show cfs internal ethernet-peer database"
Switch 1
ETH Fabric
Switch WWN logical-if_index
20:00:54:7f:ee:b7:c2:80 [Local]
20:00:54:7f:ee:b6:3f:80 16000005
Total number of entries = 2
Switch 2
ETH Fabric
Switch WWN logical-if_index
20:00:54:7f:ee:b6:3f:80 [Local]
20:00:54:7f:ee:b7:c2:80 16000005
Total number of entries = 2
Output of "show system internal csm info trace"
Switch 1 in which "show cfs peers" show proper output
Mon Jul 1 05:46:19.145339 (CSM_T) csm_sp_buf_cmd_tbl_expand_range(8604): No range command in buf_cmd_tbl.
Mon Jul 1 05:46:19.145280 (CSM_T) csm_set_sync_status(6257): Peer RT status PSSed
Mon Jul 1 05:46:19.145188 (CSM_T) csm_sp_handle_local_verify_commit(4291):
Mon Jul 1 05:46:19.145131 csm_continue_verify_ac[597]: peer is not reachable over CFS so continuing with local verify/commit
Mon Jul 1 05:46:19.145071 csm_tl_lock(766): Peer information not found for IP address: '172.16.1.54'
Mon Jul 1 05:46:19.145011 csm_tl_lock(737):
Mon Jul 1 05:46:19.144955 (CSM_EV) csm_sp_build_tl_lock_req_n_send(941): sending lock-request for CONF_SYNC_TL_SESSION_TYPE_VERIFY subtype 0 to Peer ip = (172.16.1.54)
Mon Jul 1 05:46:19.143819 (CSM_T) csm_copy_image_and_internal_versions(788): sw_img_ver: 5.2(1)N1(2a), int_rev: 1
Mon Jul 1 05:46:19.143761 (CSM_T) csm_sp_get_peer_sync_rev(329): found the peer with address=172.16.1.54 and sync_rev=78
Mon Jul 1 05:46:19.143699 (CSM_T) csm_sp_get_peer_sync_rev(315):
Mon Jul 1 05:46:19.143641 (CSM_EV) csm_sp_build_tl_lock_req_n_send(838): Entered fn
Mon Jul 1 05:46:19.143582 (CSM_T) csm_set_sync_status(6257): Peer RT status PSSed
Switch 2 in which "show cfs peers" does not show proper output
Mon Jul 1 06:13:11.885354 (CSM_ERR) csm_pss_cmd_tree_walk_cb(2057): Parent command not found for cmd switchport mode trunk, cmd pseq 77 seq 482
Mon Jul 1 06:13:11.884992 (CSM_ERR) csm_pss_cmd_tree_walk_cb(2057): Parent command not found for cmd channel-group 51 mode active, cmd pseq 357 seq 369
Mon Jul 1 06:13:11.884932 (CSM_ERR) csm_pss_cmd_tree_walk_cb(2057): Parent command not found for cmd switchport trunk allowed vlan 2, 11, cmd pseq 357 seq 368
Mon Jul 1 06:13:11.884872 (CSM_ERR) csm_pss_cmd_tree_walk_cb(2057): Parent command not found for cmd switchport mode trunk, cmd pseq 357 seq 367
Mon Jul 1 06:13:11.884811 (CSM_ERR) csm_pss_cmd_tree_walk_cb(2057): Parent command not found for cmd description process_vpc, cmd pseq 357 seq 366
Mon Jul 1 06:13:11.884750 (CSM_ERR) csm_pss_cmd_tree_walk_cb(2057): Parent command not found for cmd channel-group 51 mode active, cmd pseq 352 seq 365
Mon Jul 1 06:13:11.884690 (CSM_ERR) csm_pss_cmd_tree_walk_cb(2057): Parent command not found for cmd switchport trunk allowed vlan 2, 11, cmd pseq 352 seq 364
Mon Jul 1 06:13:11.884630 (CSM_ERR) csm_pss_cmd_tree_walk_cb(2057): Parent command not found for cmd switchport mode trunk, cmd pseq 352 seq 363
Mon Jul 1 06:13:11.884568 (CSM_ERR) csm_pss_cmd_tree_walk_cb(2057): Parent command not found for cmd description process_vpc, cmd pseq 352 seq 362
Mon Jul 1 06:13:11.884207 (CSM_EV) csm_sp_acfg_gen_handler(3011): Preparing config into /tmp/csm_sp_acfg_1733916569.txt
Mon Jul 1 06:13:11.878695 csm_get_locked_ssn_ctxt[539]: Lock not yet taken.
Mon Jul 1 06:13:11.878638 (CSM_EV) csm_sp_acfg_gen_handler(2937): Recieved sp acfg merge request for type: running cfg
Mon Jul 1 06:12:29.527840 (CSM_T) csm_pss_del_seq_tbl(1989): Freeing seq tbl data
Mon Jul 1 06:12:29.513255 (CSM_T) csm_sp_acfg_gen_handler(3106): Done acfg file write
Mon Jul 1 06:12:29.513179 (CSM_EV) csm_sp_acfg_gen_handler(3011): Preparing config into /tmp/csm_sp_acfg_1733911262.txt
Mon Jul 1 06:12:29.508859 csm_get_locked_ssn_ctxt[539]: Lock not yet taken.
Mon Jul 1 06:12:29.508803 (CSM_EV) csm_sp_acfg_gen_handler(2937): Recieved sp acfg merge request for type: running cfg
Mon Jul 1 05:53:17.651236 Collecting peer info
Mon Jul 1 05:53:17.651181 Failed to get the argumentvalue for 'ip-address'
Mon Jul 1 05:40:59.262736 DB Unlocked Successfully
Mon Jul 1 05:40:59.262654 Unlocking DB, Lock Owner Details:Client:1 ID:1
Mon Jul 1 05:40:59.262570 (CSM_T) csm_sp_del_buf_cmd(1713): Deleting comand with Id = 1
Mon Jul 1 05:40:59.262513 DB Lock Successful by Client:1 ID:1
Mon Jul 1 05:40:59.262435 Recieved lock request by Client:1 ID:1
Mon Jul 1 05:40:41.741224 ssnmgr_ssn_handle_create_get: Session FSM already present, ID:1
Mon Jul 1 05:40:41.741167 ssnmgr_handle_mgmt_request: Create/Get request received for session[process_n5kprof]
show cfs lock gives no output.
Just to further clarify, we have 4 5548UP switches in the same management vlan. 2 switches are in one location lets say location A and they are CFS peers and are working fine.
These two switches which are having problem are in location B. All the switches are in the same vlan. Essentially the all CFS multicast messages will be seen by all 5548 switches as they are in the same vlan. I am assuming that this might not create any problems as we specify the peers in the respective configurations. Or do we have to change the CFSoIPv4 multicast addresses in location B or may be configure a different region.
Regards.

Cisco Nexus 3000 ssh access

I have a Cisco Nexus 3172T in a small environment running System version: 6.0(2)U3(1). I am using a vlan as management access, i.e. vlan100 is on every device and is using for snmp/ssh access. On the same switch I have one non-switchport (routed) port (eth1/6 in this case) connecting to a remote datacenter. I am able to SNMP poll and ping the vlan100 interface on the switch from everywhere, and I am able to SSH login while I am connected on any of the VLANs that are known to the switch. My problem comes when trying to access (SSH) the switch from the remote datacenter location (SNMP/Ping also works from the remote location). The only way to SSH access the switch from the remote location is only if I SSH in on the routed port (i.e. eth 1/6).
I am not using the dedicated management port on the switch (nor I have any plans in the future). I am also running very plain config, a few switchports, one routed port, and the default control-plane policy (which is only policy pps). There are the ACLs on the VTY.
Am I running into a known bug or is there some configuration requirement to allow this ?
thanks
dragan

Its not in a VRF or anything like that is it?
Also have you tried setting the ssh source interface to be vlan 100.
http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus3000/sw/security/6x/b_Cisco_n3k_Security_Config_6x/b_Cisco_n3k_Security_Config_6x_chapter_0110.html#task_4AFC76AF5CD04C728EF30CB15EAE2655

Changing the air flow in Nexus 5596UP without interuption.

We have a Nexus 5596UP and we want to change the air flow to the opposite direction.
I think it is possible to change it without an interruption but have no lab to test it.
I think when I remove all the fans and change 1 power supply the systems keeps running.
(don’t know if the Nexus can work with 2 different power supply’s, this is the catch !!!)
After the new power supply is inserted I will remove the other one (the old one) and push in the new fans.
Hopefully all within 30 seconds to prevent a shut down or mismatch errors.
Is this possible?
Please advise
Kind regards,
Remko van Gilst

Hi Remko,
The airflow through the other Cisco Nexus 5000 Series switches is from front to back, but you can change the airflow back-to-front
Note: The Cisco Nexus 5596 has front to back airflow so you must position it with the front facing a cold isle.
Cisco Nexus 5000 Platform switch with one power supply, removing the power supply causes the switch to shut down. If you are using two power supplies and you remove one of them, the switch can continue to operate.
The fan module is designed to be removed and replaced while the system is operating without presenting an electrical hazard or damage to the system, if the replacement is performed promptly.
I hope you will need some down time since you need flipped around physically to align the airflow anyway.
Please try the below steps,
Power Supplies replacement:
Pull one power supply (System operates normally).
Insert one new power supply (60 second timer will begin).
Pull the second power supply (60 second timer stops)
Insert the second new power supply
Fan replacement:
Pull one fan (System operates normally with 3 fans – N+1)
Insert one new fan
Remove second fan.
Insert second new fan.
Remove third fan.
Insert third new fan.
Remove fourth fan.
Insert final new fan.
Regards,
http://www.cisco.com/en/US/docs/switches/datacenter/nexus5000/hw/installation/guide/install5500.html#wp1258897
Regards,
Aru
*** Please rate if the post is useful ***

Nexus 5596UP igmp querier

Hi all,
Problem:
I want to implement "ip igmp snopping querier xxx.xxx.xxx.xxx" on a Test-Nexus 5596UP.
Question:
I can't see/implement the command "ig igmp snooping querier ....." on my nexus.
Test-nexus(config-vlan)# ip igmp snooping ?
*** No matching command found in current mode, matching in (config) mode ***
<CR>
event-history Configure event-history buffers
link-local-groups-suppression Configures Global link-local groups suppression
mrouter Configures static multicast router interface
report-suppression Configures Global IGMPv1/IGMPv2 Report Suppression
v3-report-suppression Configures Global IGMPv3 Report Suppression and Proxy Reporting
Test-nexus(config-vlan)#
Do I need to enable any features or install a different license?
Nexus 5500 Multicast Config Guide 6.x:
IGMP Snooping Querier
When PIM is not enabled on an interface because the multicast traffic does not need to be routed, you must configure an IGMP snooping querier to send membership queries. You define the querier in a VLAN that contains multicast sources and receivers but no other active querier.
When an IGMP snooping querier is enabled, it sends out periodic IGMP queries that trigger IGMP report messages from hosts that want to receive IP multicast traffic. IGMP snooping listens to these IGMP reports to establish appropriate forwarding
Example:
switch(config-vlan)# ip igmp snooping querier 172.20.52.106
My Test Nexus 5596UP:
kickstart: version 6.0(2)N2(3)
system: version 6.0(2)N2(3)
License:
sh license usage
Feature Ins Lic Status Expiry Date Comments
Count
FCOE_NPV_PKG No - Unused -
FM_SERVER_PKG No - Unused -
ENTERPRISE_PKG No - Unused -
FC_FEATURES_PKG No - Unused -
VMFEX_FEATURE_PKG No - Unused -
ENHANCED_LAYER2_PKG No - Unused -
LAN_BASE_SERVICES_PKG Yes - In use Never -
LAN_ENTERPRISE_SERVICES_PKG No - Unused -
Thanks for your support
Regards,
Bernhard

Bernhard,
Here you go :-)
"ip igmp snooping" is no longer available under vlan mode. Please reconfigure under "vlan configuration <vlan-id>"
example:
Nexus5596(config)# vlan configuration 101 ( 101 is the vlan id)
Nexus5596(config-vlan-config))#ip igmp snooping querier 1.1.1.1 >>> here is the way to configure.
HTH
Regards
Inayath
**Please dont forget to rate the post.

Nexus 3048, SFP invaild Issue

Hello Team,
I have Cisco 3064 Nexus switch using this nx-os code n3000-uk9.6.0.2.U2.1.bin. when we are inserting SFP in module, its showing SFP Invalid, These SFP are not cisco one, but its compatible one with Cisco, out of 16 ports 9 ports are up but 7 ports are showing SFP Invalid.
Is there any specific reason why its giving this error.
Kindly guide me.
Regards,
Harish Kansal

Did you try a different port such as e1/1? Sounds like a bug to me
http://www.cisco.com/en/US/prod/collateral/switches/ps9441/ps9670/data_sheet_c78-618603.html
Table 2.
Cisco Nexus 5500 Platform Transceiver Support Matrix

Nexus 5596 SFP Issue

We have a pair of Nexus 5596 switches, that each have a 1 gigabit conection to ISP CE switches (ME3400).
Switch 1 has a fibre connection using GLC-SX-MM with the following information...
sh int e1/48 trans
Ethernet1/48
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    type is SFP-1000BASE-SX
    name is CISCO-AVAGO
    part number is SFBR-5766PZ-CS2
    revision is
    serial number is AGA1549L2BE
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I cannot get the port to come up on switch 2, transceiver info...
sh int e1/48 trans
Ethernet1/48
    transceiver is present
    type is SFP-1000BASE-SX
    name is CISCO-AVAGO
    part number is SFBR-5766PZ-CS2
    revision is
    serial number is AGA1549L2BE
    nominal bitrate is 1300 MBit/sec
    cisco id is --
    cisco extended id number is 4
The port is up on the ISP switch, but down on the N5K...
Ethernet1/48 is down (Link not connected)
Hardware: 1000/10000 Ethernet, address: 547f.ee41.e337 (bia 547f.ee41.e337)
Description: Intech WAN ME3400-1 (BT)
MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec
reliability 255/255, txload 255/255, rxload 255/255
Encapsulation ARPA
Port mode is trunk
full-duplex, 1000 Mb/s, media type is 10G
Beacon is turned off
Input flow-control is off, output flow-control is off
Rate mode is dedicated
Switchport monitor is off
EtherType is 0x8100
Last link flapped 00:31:00
Last clearing of "show interface" counters 00:00:47
30 seconds input rate 0 bits/sec, 0 packets/sec
30 seconds output rate 0 bits/sec, 0 packets/sec
Load-Interval #2: 5 minute (300 seconds)
    input rate 242.30 Gbps, 163.37 Mpps; output rate 63.30 Gbps, 231.54 Mpps
RX
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    17831280714 input packets 3305852407174 bytes
    897530002 jumbo packets 0 storm suppression bytes
    20 runts 0 giants 0 CRC 0 no buffer
    20 input error 0 short frame 0 overrun   0 underrun 0 ignored
    0 watchdog 0 bad etype drop 0 bad proto drop 0 if down drop
    0 input with dribble 0 input discard Ethernet1/48 is down (Link not connected)
Hardware: 1000/10000 Ethernet, address: 547f.ee41.e337 (bia 547f.ee41.e337)
Description: Intech WAN ME3400-1 (BT)
MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec
reliability 255/255, txload 255/255, rxload 255/255
Encapsulation ARPA
Port mode is trunk
full-duplex, 1000 Mb/s, media type is 10G
Beacon is turned off
Input flow-control is off, output flow-control is off
Rate mode is dedicated
Switchport monitor is off
EtherType is 0x8100
Last link flapped 00:31:00
Last clearing of "show interface" counters 00:00:47
30 seconds input rate 0 bits/sec, 0 packets/sec
30 seconds output rate 0 bits/sec, 0 packets/sec
Load-Interval #2: 5 minute (300 seconds)
    input rate 242.30 Gbps, 163.37 Mpps; output rate 63.30 Gbps, 231.54 Mpps
RX
    17828772964 unicast packets 2506759 multicast packets 991 broadcast packets
    17831280714 input packets 3305852407174 bytes
    897530002 jumbo packets 0 storm suppression bytes
    20 runts 0 giants 0 CRC 0 no buffer
    20 input error 0 short frame 0 overrun   0 underrun 0 ignored
    0 watchdog 0 bad etype drop 0 bad proto drop 0 if down drop
    0 input with dribble 0 input discard
I have tested the SFP's in use on a pair of 2960's & they work fine!
If i replace the SFP's for copper, then they work fine also.
Does anyone know of any incompatibility issue with this SFP?
Thanks
Colin

Did you try a different port such as e1/1? Sounds like a bug to me
http://www.cisco.com/en/US/prod/collateral/switches/ps9441/ps9670/data_sheet_c78-618603.html
Table 2.
Cisco Nexus 5500 Platform Transceiver Support Matrix

Interoperability between Cisco Nexus 5548UP and IBM FC3171

Dear Techies,
We have a Cisco Nexus Switch 5548UP already in our environment with DS-SFP-FC8G-SW installed. We are planning to procure IBM Pure Flex Chassis without FC Switch, since we already have Nexus that can provide this facility. But in order to connect IBM Flex with Cisco Nexus we are planning to use IBM FC3171 Switch with IBM 44X1964 Transceivers which will act as a Mediator/Pass Through Switch for connecting IBM and Cisco.
If any expert knows OR have used this scenario, please let me know since I am interested to know if it will work in this scenario or not.
Regards,
Farhan.

Dear prkrishn
I am working on the Data Center Solution between two Data Center, details underneath
DC 1 Site
1. 2 x DC Core Switch (Nexus 7009) - will be used for Servers, Application, IBM V7000, Database, etc.
2. 2 x Network Core Switch (Cisco 6509) - Handle Campus and Inter Building connection.
3. IBM V7000 (SAN)
DC 2 Site
1. 2 x DC Core Switch (Nexus 7009) - will be used for Servers, Application, IBM V7000, Database, etc.
2. 2 x Network Core Switch (Cisco 6509) - Handle Campus and Inter Building connection.
3. IBM V7000 (SAN)
With the above mention setup, can I configure FCIP between DC1 & DC2 using Nexus 7009? or I need FCIP capable Switch such as IBM SAN Switch (SAN06-BR), I was wondering if I can configure FCIP on Nexus 7009 DC Switch.
Hoping for your kind response at earliest.
Kind Regards,
Arnold

Cisco Nexus 5596UP SFP Problem

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