40G ports on nexus 5k

hi all ,
in datasheet of nexus 5k, below is written
Four port QSFP Ethernet module that provides 4 40 Gigabit Ethernet ports using QSFP interface. Each QSFP 40GE port can only work in 4x10G mode and supports DCB and FCoE.
does it mean we cant use 40G ports by themselves, is it necassary to convert them to 10g ?

Add an snmp view or I should say RBAC on Nexus for the specific OID that includes the interface
So in this case look at ifAdminStatus or ifOperStatus for the e1/1 or e1/2
A snmpwalk of ifTable will give you something like:
ifDescr.2 = Ethernet 1/1
ifDescr.3 = Ethernet 1/2
Then you would add it allowing/disallowing polling of the OID ifAdminStatus.2 or ifOperStatus.2 and so on

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Firewall ports for Nexus 1000v

hi all,
There is firewall between nexus 1000v and vcentre and ESX 4.1i hosts.
Could u pls advise which TCP/UDP ports to be opened for communication among Nexus1000v, vcentre and ESX hosts?
Thank you very much!
Best Regards,

David,
Between your VSM & VC you'll need TCP ports 80 & 443 open
http://www.cisco.com/en/US/docs/switches/datacenter/nexus1000/sw/4_0_4_s_v_1_3/troubleshooting/configuration/guide/n1000v_trouble_5modules.html
Between your VEM & VSM you'll need port this should be layer 2 so no ports need to be open.
If you're using Layer 3 mode then enusre you have UDP 4785 open.
http://www.ciscosystemsverified.biz/en/US/docs/switches/datacenter/nexus1000/sw/4_0_4_s_v_1_3/system_management/configuration/guide/n1000v_system_3domain.pdf
Regards,
Robert

FC ports on nexus 5548?

Hi, I would like to know how many maximum FC ports can one have on a Nexus 5548 (N5K-C5548UP) without any expansion module? I have the FC_FEATURES_PKG license installed.

Cisco Nexus 5548UP Switch
The Cisco Nexus 5548UP (Figure 2) is a 1RU 10 Gigabit Ethernet, Fibre Channel, and FCoE switch offering up to 960 Gbps of throughput and up to 48 ports. The switch has 32 unified ports and one expansion slot.

USB port on Nexus 5548UP

Hi!
I doubted that there is no command "format" in N5K since i want to move a license file from my USB and when i plugged it, N5K didn't accept and keep said that i need to format my USB stick. But there is no "format" command. so, how can use this USB port?
Thank you in advance!

Hello all ... Did using the FAT16 format allow the Nexus 5k to see the usb flash drive when inserted? I know this was over a year ago, but there is no final resolve in this thread. For that matter ... were we talking a nexus 5000 or a nexus 5500? May not matter ... just checking.
Thank you!!

HDMI port in Nexus 2000

All models of the nexus 2000 has HDMI port
Installation guide says it is for console connectivity. There was no special cable supplied with Nexus 2000.
anyone tried to use that port? I want to what type of cable connector to use to console in to the FEX. Anyone knows what type of cable to use??
I know FEX can be consoled in using attach fex 101 command on parent switch but then what is purpose of this HDMI port.

Krunal,
It is not an HDMI port, though it kind of resembles one. This port is utility port used by manfucaturing & TAC. As the N2K is managed by the N5K which has your traditional console port, it's not necessary for console access direclty to the FEX. It's stictly for diagnositcs. These ports are standard on FEXs including the IO Modules within a UCS Chassis.
These cables are not supplied to customer or available for purchase.
Regards,
Robert

Fc ports on nexus 5548up.

Hi Guyz,
I have a pair of nexus 5548UP with expansion module N55-M16UP. both switches have below licensing.
Feature Ins Lic Status Expiry Date Comments
Count
FCOE_NPV_PKG No - Unused -
FM_SERVER_PKG No - Unused -
ENTERPRISE_PKG Yes - Unused Never -
FC_FEATURES_PKG Yes - In use Never -
VMFEX_FEATURE_PKG Yes - Unused Never -
ENHANCED_LAYER2_PKG No - Unused -
LAN_BASE_SERVICES_PKG Yes - In use Never -
LAN_ENTERPRISE_SERVICES_PKG Yes - Unused Never -
on first switch i made slot 2 as fc ports & after reload i can see fc ports.
slot 2
port 1-16 type fc
However with same procedure on switch 2 , i cant see any FC ports nor module 2 ports.
if i turn module 2 ports to ethernet i can see E2/1 - E2/16 , but no ports when they are configures as FC.
any idea ???
Confused as both switches have same lic installed.
Thanks in Advance.

After the port type has been changed from Ethernet to FC, the FC port will not be enabled on the switch until FCOE feature is enabled:
N5K(config)#feature FCOE
C license checked out successfully
fc_plugin extracted successfully
FC plugin loaded successfully
FCoE manager enabled successfully
FC enabled on all modules successfully
Enabled FCoE QoS policies successfully
After that, we verify that the port type is changed successfully and the FC ports appear on the switch:
N5K# show interface brief

The management port in Nexus 7k

Is the mgmt port in the Nexus 7K shared by all VDC's? I came across a configuration which looks to be something like that but I just want to confirm.
Regards,
Nikhil

Yes the physical port is shared - however there is a unique logical mgmt port per VDC. Which means you configure the mgmt0-interface on a per VDC basis with a spearate IP:
VDC1
int mgmt0
ip address 192.168.1.84/24
VDC2
int mgmt0
ip address 192.168.1.85/24
etc.
Regards
Marcel

Pvlan promiscuous port on port-channel (Nexus)

Dear All,
I am getting the followin error:
(config)# interface port-channel4001
(config-if)# switchport mode private-vlan promiscuous
ERROR: port-channel4001: requested config change not allowed
Is there any workaround to have LACP etherchanel to the promiscous port?
Does Cisco ever plan to have promiscous port support on FEXs?

Required info:
system image file is: bootflash:///n5000-uk9.6.0.2.N2.2.bin
system compile time: 10/4/2013 12:00:00 [10/04/2013 22:23:49]
interface port-channel4001
description SERVER1
switchport mode trunk
switchport access vlan 201
switchport trunk native vlan 201
storm-control broadcast level 1.00
storm-control multicast level 1.00
storm-control unicast level 1.00
vpc 4001
interface Ethernet107/1/47
description SRV1
no lldp transmit
no cdp enable
switchport mode trunk
switchport access vlan 201
switchport trunk native vlan 201
storm-control broadcast level 1.00
storm-control multicast level 1.00
storm-control unicast level 1.00
channel-group 4001 mode active
no shutdown

NEXUS span session getting twice the data to the span port

I'm setting up a montitor session on a NEXUS 7K as below.
we are receiving in 150M of data and 0 data going out port 9/25.
but port 4/24 shows 300M to the span port?
Am I doing something wrong here or is that normal?
monitor session 10
     no shutdown
     source int e 9/25 both
     destination int e 4/24

i just confirmed that when I span port on NEXUS 7K ios version 6.1(1) the RX data is duplicated to teh span port.
does anyone know of bugs related to that ?

Port-channel L2 problem with Fabric Interconnect and Nexus 7010

Hi,
i using port-channel from both fabric interconnect to N7k with 3 cables per Fabric Interconnect.
but, my problem is when i creating port-channel, Fabric Interconnect don't support mode ON dan rate-mode share in Interface 10G Nexus 7010.
I was trying :
1. I using non dedicated port in Nexus 7010.
      - rate-mode share
      - channel-group 1 mode active
      - switchport mode trunk
when i using this option, the port-channel in Nexus 7010 was suspended
2. I using non dedicated port in Nexus 7010
     - rate-mode share
     - channel group 1 mode on
     - switchport mode trunk
when i using this option, the port-channel in Nexus 7010 was came up, but in Fabric interconnect was failed.
3. I using dedicated port in Nexus 7010
     - rate-mode share
     - channel group 1 mode active
     - switchport mode trunk
when i using this option, the port-channel in Nexus 7010 was suspended
4. I using dedicated port in Nexus 7010
     - rate-mode dedicated
     - channel group 1 mode active
     - switchport mode trunk
when i using this option, the port-channel in Nexus 7010 was came up and running well.
but, the problem is my costumer do not want using a dedicated rate-mode. if i using dedicated mode the only available port is 8 interfaces instead of 32 ports. i want to using rate-mode share in nexus 7010.
is there any way to configuring port-channel using mode on in fabric interconnect ? i was trying using CLI to create port-channel in Fabric interconect but i cannot configure the channel group protocol.
i attach the topology of N7K with Fabric interconnect.
regards,
Berwin H

Hi Manish,
the issue was solved, i was fix it last week.
the solution is:
i enable the license grace-priode (since my license is Enterprise so cannot create VDC) then i create a VDC (ex: VDC 2) so i allocate the interface on all module
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N7K-M132XP-12 to VDC 2. after that i delete VDC 2 then all interface back to VDC 1 (default vdc). then i enable the rate-mode share in dedicated port and bundle into port-channel and its working.
i dont know why it must move to VDC first then it will working, maybe cisco can explain the reasons.
So here the result of my port-channel :
SVRN7KFARM-HO-01# show port-channel summary
Flags: D - Down        P - Up in port-channel (members)
        I - Individual H - Hot-standby (LACP only)
        s - Suspended   r - Module-removed
        S - Switched    R - Routed
        U - Up (port-channel)
Group Port-       Type     Protocol Member Ports
      Channel
1     Po1(SU)     Eth      LACP      Eth1/1(P)    Eth1/2(P)    Eth1/3(P)
                                     Eth1/4(P)    Eth1/25(P)
2     Po2(SU)     Eth      LACP      Eth1/9(P)    Eth1/10(P)   Eth1/11(P)
                                     Eth1/12(P)   Eth1/26(P)
3     Po3(SU)     Eth      LACP      Eth1/17(P)   Eth1/18(P)
4     Po4(SU)     Eth      NONE      Eth10/32(P) Eth10/34(P) Eth10/35(P)
                                     Eth10/36(P)
Thanks.
Berwin H

QSFP-40G-SR4 to four SFP-10G-SR

Hello,
In 40G QSFP transceivers data sheet, regarding SFP-40G-SR4, Cisco wrote: "It can also be used in a 4x10G mode for interoperability with 10GBASE-SR interfaces up to 100m and 150m on OM3 and OM4 fibers, respectively."
So, can i connect Nexus 5572UP equipped with "six true QSFP ports" to Nexus 7706 using QSFP-40G-SR4 on the side of 5572UP, and 4 x SFP-10G-SR on the side of 7706? Somehow, i think that this is not possible, but i want to be sure...
Thanks,
Wojtek

You can break out the single 40G port into 4 separate 10G ports and use a QSFP to 4 LC breakout cable to connect one or more of the 10G ports to the 7706. You have to enter the following command to enable the 10G breakout of the 40G port though:
interface breakout slot <slot #> port <port range> map 10g-4x
I believe you have to specify the port range as groups of 3 on the 5600 platform and they are on module 2 so the command would look like this:
interface breakout slot 2 port 1-3 map 10g-4x to breakout the first 3 40G ports into 12 10G ports.

Nexus 9508 Using The CVR-QSFP-SFP10G

Hi, we have a Nexus 9508 with a 36-Port 40GE module (N9K-X9636PQ).
The servers, with 10GE SFP+ optics, are too far to use the 5m passive breakout cable.
Does the 40GE modules support the QSA module(CVR-QSFP-SFP10G) so that we can connect a 10GE SFP+ optic into it?
We looked at the doc below and it does not mention the Nexus 9508.
http://www.cisco.com/c/en/us/td/docs/interfaces_modules/transceiver_modules/compatibility/matrix/OL_24900.html
Thank you!

Hi,
You need to configure the 40g port as an individual breakout using the cli command "interface breakout slot 4 port 1-3 map 10" first.
Then you can use single mode optic in the QSA
Here is an output from the transceiver
Eth4/1/1 *** full 10G 10Gbase-LR
Eth4/1/2 -- notconnec 1 full 10G QSA
Eth4/1/3 -- notconnec 1 full 10G QSA
Eth4/1/4 -- notconnec 1 full 10G QSA
Eth4/2/1 *** full 10G 10Gbase-LR
6004# show int eth4/1/1 transceiver de
Ethernet4/1/1
transceiver is present
type is 10Gbase-LR
name is CISCO-FINISAR
part number is FTLX1474D3BCL-CS
revision is A
serial number is FNS1733054F
nominal bitrate is 10300 MBit/sec
Link length supported for 9/125um fiber is 10 km
cisco id is --
cisco extended id number is 4
Further info as well
http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/operations/interfaces/602_n1_1/N5K_Interfaces_Ops_Guide/n5k_qsfp-_portsoperations.html#wp998392
Also find the configurations which you will need to input:
http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/operations/interfaces/602_n1_1/N5K_Interfaces_Ops_Guide/n5k_qsfp-_portsoperations.html#wp1001206
Thanks
Arnold

VFC is down Nexus 5020 Nexus 4001i

Hi All,
I am very new to Nexus 4001 and facing a problem related to its configuartion.
The topology involves IBM HS22 blade server with Qlogic dual port CNA, Nexus 4001, Nexus 5020, MDS 9513 and EMC storage.
I have done the configuration related to fip snooping in Nexus 4k and FCoE configurations in Nexus 5k.
The problem is that i am not able to get the enode mac address when i am running the command "show fip-snooping vlan-discovery".
also i am not able to make the vFC up in Nexus 5k.
I can upload the configuartions if needed.
Kindly suggest your comments or any solution.
FYI: All licenses are installed in Nexus 4k and 5k and FCoE and CNA drivers are installed in IBM server.
Thanks in advance,
Sanjeev

If the show mac-address is not showing any src mac being learnt in native vlan indicates server is not sending FIP messages. The output you provided does confirm this theory, see the marked output in bold which has value of zero.:
Interface Name    Counter Desciption                                Value
Ethernet1/1       Unicast packets received                          0
                  Multicast packets received                        0
                Vlan discovery packets received                   0
                  Vlan discovery response packets received          0
                  flogi (fabric login) packets received             0
                  flogi lsacc (acknowledgment) packets received     0
                  flogi lsrjt (reject) packes received              0
                  fdisc packets received                            0
                  fdisc lsacc received                              0
                  fdisc lsrjt received                              0
                  logo (logout) packets received                    0
                  logo lsacc received                               0
                  logo lsrjt received                               0
                  Enode Keepalive received                          0
                  Enode Discovery received                          0
                  FCF Discovery Solicit received                    0
                  FCF Keepalive received                            0
                  Clear Virtual Link received                       0
                  Clear Virtual Link generated                      0
                  Unicast packets transmitted                       0
                  Packets dropped due to invalid length             0
                  Packets dropped due to tlv parse error            0
                  Packets dropped due to unsupported tlv            0
                  Packets dropped due to fcmap mismatch             0
Based on the output you provided it looks to be a CNA issue, the next step would be working with vendor to ensure Datacenter Bridging is working correctly. Do you have OS loaded on local disk or trying to boot from san?

Le GLC-T et le nexus 2000

FR:
J'aimerai savoir si le GLC-T ( connecté à un des ports Hosts du Cisco Nexus 2232PP) supporte 10/100/1000 Mbps ou 1000 Mbps seulement ?
EN:
I want to knew if a GLC-T connected to a host port of Nexus 2000 (2232PP) is considerated as a 10/100/1000 Base T or only 1000 Mbps Base T ?
Merci

Think you Jeye
I had hoped for an answer with more technical document than the datasheet because some times we find in the datasheet writed 1G for GLC-T and it appears by the table of the compatibility matrix it can support 10/100/1000 Mbps ; BY EXAMPLE in the datasheet of Switch 3560 (
http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps5528/product_data_sheet09186a00801f3d7d.html) nothing said that the GLC-T can support 10/100/1000 Mbps , you can see only 1000 Base -T But in reality this switch support 10/100/1000 Base T when you looked in the Matrix table :
http://www.cisco.com/en/US/docs/interfaces_modules/transceiver_modules/compatibility/matrix/OL_6981.html#wp142660
and you can notice in the matrix nothing special was said about GLC-T with the Nexus 2232
BUT I THINK YOU ! For your answer ( for me now the nexus 2232PP support only 1000 Mbps with GLC-T)
Best regards
Zammit Ikbel

Nexus 2k to HP Server LACP issue

Hi,
We are having problems connecting our Nexus 2k to HP server ports in LACP mode (channel-group mode active).
The below is snippet from logs, before the port goes into suspended mode.
2013 Jun 7 17:14:21 PBR-core-1-PoC %LACP-FEX104-3-SYN_COLL_DIS_EN: WARNING: Potential Interop issue on [Ethernet104/1/7(0x1f670180)]: SYNC, COLLECT and DISTRIBUTE flags enabled too early by partner
ERROR: Cannot set/reset lacp suspend-individual for port-channel305 that is admin up
PBR-core-1-PoC(config-if)# 2013 Jun 7 17:14:41 PBR-core-1-PoC %ETH_PORT_CHANNEL-5-PORT_SUSPENDED: Ethernet104/1/7: Ethernet104/1/7 is suspended
2013 Jun 7 17:14:40 PBR-core-1-PoC %LACP-FEX104-5-LACP_SUSPEND_INDIVIDUAL: LACP port Ethernet104/1/7(0x1f670180) of port-channel port-channel305(0x16000130) not receiving any LACP BPDUs suspending (individual) port
Cisco: Nexus 7000 6.1.4 with N2K-C2248TP-1GE 6.1.4
->
HP Ethernet 1Gb 4-port 331FLR Adapter running Windows 2008 R2 sp1, Broadcom Driver Version : 15.4.0.19
Has anyone had success with LACP and this setup?
Cheers,
J-Dogg
HP Ethernet 1Gb 4-port 331FLR Adapter

Hi,
I'm not sure if you already found this, but the first error is documented, for the Nexus 5000 series at least in the System Messages and Recovery Procedures for the Cisco Nexus 5000 Family:
Error Message: LACP-3-SYN_COLL_DIS_EN: [chars] : SYNC, COLLECT and DISTRIBUTE flags enabled too early by partner
Explanation: Potential interop issue. Partner system seems to have enabled sync as well collecting or distributing flags too early even before actor has selected an aggregator
Recommended Action: No action is required.
I just love the Recommended Action
The message is indicating that the LACPDU from the server has the Synchronise, Collecting and Distributing flags all set on the first LACPDU it receives. When the link is first established the LACPDU is only supposed to have the Synchronise flag set, with the Collecting and Distributing flags set once the switch and host are sync'd. There's a prety good diagram of this at Networking Bodges in the Bringing Links Up section.
On the basis of this it would seem this is possibly a bug in the Broadcom driver. I see on the Broadcom website that version 15.6.0.10 of the driver is available. Are you able to try that driver on this server?
Regards

40G ports on nexus 5k

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