Cisco Nexus 5548UP to Brocade SAN Connectivity

Hi,
I have a Server-SAN-Storage setup as shown in the attachment/below. There are new Cisco UCS rack mount servers with VIC 1225 and Virtual servers on VMware Esxi hypevisor connected to a new Cisco Nexus 5548UP switch in IP+FCoE mode. The new 5548 switch then connects to an existing production SAN of Brocade 48000 Director SAN switch which connects to storage in production environment.
I need to know the best way to connect the 5548 switch to the Brocade SAN switch without disrupting the existing Production SAN environment i.e. Brocade SAN switch configurations & setup e.g. Fabric Principal switch. priority etc.
Would configuring the 5548 switch in NPV mode be best practice?

See Figure 6-2 Converged Multi-hop FCoE Network Design Using FCoE NPV
http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/operations/fcoe/513_n1_1/ops_fcoe/ops_fcoe_npv.html
You have to use NPV on N5k, there is no FC interop support on N5k, to connect to Brocade.

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Cisco Nexus 5548UP

Hi
I need a switch that supports FC, FCoE and iSCSI traffic. The switch that has been suggested to us is Cisco Nexus 5548UP.
I have the following queries regarding this switch:
1)       At our end, I have AMS 2100 Hitachi Storage which has iSCSI & FC Ports. I also have Qlogic CNA card at the server end which supports both ISCSI & FCOE. For FCoE protocol based traffic, the storage to switch connection will have to be FC and the switch to server connection will be FCoE. Can you please confirm whether, if this will be possible through the proposed Cisco Nexus 5548UP switch?
2)       The specification for the Nexus 5548UP switch claims that it supports 10 Gigabit Ethernet. Can you please confirm if this relates to iSCSI support that the switch provides?
3)       We are going to use -SFP-FC4G-SW & SFP-10G-SR SFP for fiber connectivity. Can you please let us know the what these SFP are used for and whether they assist in FC and FCoE traffic forwarding?
4)       We are also going to use Nexus 5500 Storage License, 8 Ports. Does this indicate that only 8 ports of the switch can be connected to the storage? Among these ports, can we configure 4 ports for FC and 4 ports for iSCSI (keeping in mind that our storage has both FC and iSCSI ports)?
5)       Is there any License required for enable FC, FCoE and iSCSI protocols?
An early resolution of these queries will enable us to make a decision regarding the switch.
Thanks
Bhanudas Mali

The specification for the Nexus 5548UP switch claims that it supports 10 Gigabit Ethernet. Can you please confirm if this relates to iSCSI support that the switch provides?
The "UP" in the Nexus 5548 stands for Universal Port. This means that each port can support FC, FCoE and Ethernet. So, a 5548 has 32 ports of SFP/SFP+. Each port can support and push 10 Gbps at a 1:1 oversubscription rate.
There is an optional 16-port SFP/SFP+ module, N55-M16UP, which will add an additional 16 Universal Ports.
Because they are "universal" they can support 1/10 Gbps FCoE and Ethernet as well as 1, 2, 4 and 8 Gbps FC.

Cisco Nexus 5548UP support SFP-10G-LRM ?

Hi all, I have a question about Cisco Nexus 5548UP. Is Cisco Nexus 5548UP support SFP-10G-LRM ? Because in CCW, i can't configure the SFP-10G-LRM. There is only SFP-10G-LR, SR, and the others, but there's no LRM. Pelase help me to answer this question. Thanks a lot

The LRM is s special case transceiver which supports 10 Gbps over older FDDI grade multimode fiber when used with a mode conditioning patch cord. It is not supported on the Nexus 5548UP.
The SFP-10G-LR is used with single mode fiber for spans up to 10 km in length. It is supported on the 5548UP (and most every platform of Cisco's that takes SFPs).
Please see the product data sheet here.

Cisco Nexus 5548UP Switch Current Version 5.2(1)N1(4)

Hi, we're currently have Cisco Nexus 5548UP Switch Current Version 5.2(1)N1(4)
It's not listed as affected version:
Known Affected Releases:
(5)
5.2(1)N1(8a)
6.0(2)N2(5)
7.0(3)N1(0.125)
7.0(4)N1(1)
7.1(0)N1(0.349)
The Known Fixed Releases as follow:
Known Fixed Releases:
(7)
6.0(2)N2(4.3)
6.0(2)N2(5a)
7.0(1)ZN(0.615)
7.0(5)N1(0.173)
7.0(5)N1(1)
7.1(0)N1(0.371)
7.1(0)N1(1)
Do we need to update to the latest releases?
If yes, which version of the known fixed release is best suit our current version
Cisco Nexus 5548UP Switch Current Version 5.2(1)N1(4)
Thanks.

I had the same question, so I opened a TAC case to find the right software version. I was told that the software listed as available on the bug report were custom NX-OS builds and that there are no patched versions available for the 5548p. The support engineer also said that the Nexus 5k upgrades were not expected until November or December. The best advice I could get was to subscribe to the bug report and wait to be notified of an available upgrade.

Cisco Nexus 5548UP and FI6248UP compatibility with FC SFP

Cisco Nexus 5548UP and FI 6248UP comes with Unified Ports. What are the SFP types this port can take? 1Gig, 10Gig and 2/4/8FC. Could you please clarify?
Thanks,
Cheriyan

Hi Cheriyan,
Here is te URL to the 6200 series FI data sheet:
http://www.cisco.com/en/US/prod/collateral/ps10265/ps11544/data_sheet_c78-675245.pdf
Check for the table to supported SFPs.
Same for the 5500 switches
http://www.cisco.com/en/US/prod/collateral/switches/ps9441/ps9670/data_sheet_c78-618603.html.
Hope this helps!
./Abhinav

Cisco Nexus 5548UP connecting to HP P4330 StoreVirtual over iScsi

Hi,
I need some advice when it comes to how to setup a port-channel between Nexus 5548UP and a HP StoreVirtual 4330 device. The idea is to use 2 10 GB ports in a port-channel group and this far I've this on the port-channel group;
interface port-channel1002
priority-flow-control mode off
switchport access vlan 400
load-interval counter 2 30
load-interval counter 3 300
What about priority-flow-control, any needs to change anything here? Any other things that needs to be considered when using iScsi?
Much appreciated!
Tony Lewis

Hi Tony,
You do not have to worry about PFC. Priority-Flow-Control is something which is related to FCOE or DCBX protocol. With iSCSI as this is a TCP traffic, you have to make sure that you have a proper QOS for the IP Subnet or VLAN that has your iSCSI hosts transmitting the data. As iSCSI rides over TCP this is the major issue that I have seen related to the valid QOS config for the traffic. There is not best practice for it but you have make sure that you added it to a class other than BE or Scavanger class.
Hope this helps.
Cheers,
-amit singh

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 5548UP upgrade path

Hi,
I'm planning to upgrade Nexus 5548UP (no L3 services) from 5.2(1)N1(6) to 7.0(5)N1(1). Is this upgrade path vaild? or is there any intermediate version; also advise if ISSU is possible.
Regards,
Navin RK

Hi,
Yes you can upgrade directly from 5.2(1)N1(6) to 7.0(5)N1(1). ISSU is possible, provided you meet the requirements. You can copy the kickstart and system image to bootflash, then run the "show install all impact" command to see whether or not ISSU will be possible with your configuration.
Here is a document supporting the statements above: http://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5500/sw/upgrade/705_N1_1/n5500_upgrade_downgrade_700.html#pgfId-640981

Cisco Nexus 5548UP - Enhanced vPC

Hello,
We will be deploying a new Cisco Nexus 5K environment with 2248 FEX's.
The firewall in the environment (non-Cisco), only supports static Port-channels - i.e "ON" configuration and not LACP.
For redundancy we will be patching it into the environment in a topology where VLAN's are trunked and connected to two FEX modules as on page 2 of this document:
http://www.cisco.com/en/US/docs/switches/datacenter/nexus5000/sw/mkt_ops_guides/513_n1_1/n5k_enhanced_vpc.pdf
Every example I've seen online uses LACP instead of a static Port-channel. My questions are:
Will this cause any issues in the event of port failure?
Is this best practice?
Are there any "gotchas" or caveats with this design?
Many thanks in advance.
Jacob

I always like to use LACP where and when I can. Some devices, like your firewall and vmware do not support LACP. As long as both devices are configured correctly and using mode-on, there should be no issues with this. I do not like mode-on for this reason, as it does not negotiate anything before bringing up the port-channel. Therefore just confirm it is configured as mode-on on both sides and you should be fine. This should not cause any disruption if one link fails, but I would test the configuration before putting this into production.

Cisco Nexus 5548UP connect to dual NetApp controllers using FCOE

Here is my setup, I have two 5548UP's connected via VPC peer link. I am tring to use VPC to connect to a NetApp with dual 10gb ports using FCOE, with each 5548 getting one of the connections.
I then want to use VPC to connect to a dell server that has dual 10gb ports using FCOE as well with each 5548 getting a connection. I am new to FCOE, any help would be appreciated. I am getting confused in the configuration for both. Thanks

Erik,
Can you check the deployment guides from links pasted below -
http://www.cisco.com/en/US/solutions/ns340/ns414/ns742/ns743/ns1050/landing_flexpod.html
http://www.cisco.com/en/US/docs/solutions/SBA/February2013/Cisco_SBA_DC_NetAppStorageDeploymentGuide-Feb2013.pdf
Head to the Nexus 5k section and check how FCoE is configured, how vPC is configured..
Once you tackle 5k, depending on your Environment (from Netapp perspective), check how to create Interface groups.

Cisco Nexus 5596 and Brocade 5300 compatibility

Hi
We have designed the SAN network with Brocade5300 connected to Nexus5596. we want to know about the campatibility of these two switches.
I can't find any compatibility matrix with this detail.
i would appreciate it if you let me know about your experience.
Thank you

Amir,
Check this.
http://www.cisco.com/en/US/docs/switches/datacenter/mds9000/interoperability/matrix/Matrix7.html
I am not sure how recent it is and when this testing was done. I would suggest you to run " Gateway mode" AKA NPIV mode for Cisco and test this with Brocade 5300. It should work fine.
Hope this helps.
Cheer,-amit singh

Highest supported Brocade DCX firmware version to be interoperable with Cisco Nexus 5020

A Cisco Nexus 5020 (FCoE) switch is connected to Brocade DCX-B switch.
5020 is at latest firmware level of 5.0.2.N2.1
Brocade is at firmware level of 6.2.1b
If we need to upgrade brocade firmware, what is the maximum revision we can go to? Is there some documentation available for interoperability between the code levels of the two hardwares?

Hi Anwarul,
Please refer to "Table 7-10 Nexus InterOp Matrix" near the end of this link:
http://www.cisco.com/en/US/docs/switches/datacenter/mds9000/interoperability/matrix/Matrix7.html
Regards,
Ken

Macvtap over Cisco Nexus ...

Hi everybody!
First all my apologizes for my english language!
I have a standard server running linux (centos 6.5) with kvm to install and configure virtual machines. I tried to use macvtap driver to setup the virutal network interfaces. I not use ucs Cisco servers or Nexus 1000v switches!
The physical ethernet is connected to Cisco Nexus 2000 (with a Cisco Nexus 5548up). To default a standard switch not working with the macvtap configuration because the swith to be support "reflective relay" or "hair pinning" propierties for to this works.
Is possible configure the Cisco Nexus 5548up/2000 to this works? Capabilities how to Adapter-FEX, veheternet, VM-FEX o similars can help me?
Know you some docs over this?
Thank you all.

Hi Tony,
You do not have to worry about PFC. Priority-Flow-Control is something which is related to FCOE or DCBX protocol. With iSCSI as this is a TCP traffic, you have to make sure that you have a proper QOS for the IP Subnet or VLAN that has your iSCSI hosts transmitting the data. As iSCSI rides over TCP this is the major issue that I have seen related to the valid QOS config for the traffic. There is not best practice for it but you have make sure that you added it to a class other than BE or Scavanger class.
Hope this helps.
Cheers,
-amit singh

Nexus 5548UP with Checkpoint firewall

I know this is a little out of scope, but was hoping someone would have some insight.
I have two Checkpoint firewalls connected to Cisco Nexus 5548UPs 10G. I am noticing a lot of dropped RC on the Checkpoint interfaces. I'm wondering if the firewalls cannot support the fast cut-through speed of the Cisco switches. Is there anything I can do on the Cisco side to help the Checkpoints handle the traffic? Flow control maybe? Thanks.

Hi Adnan,
Kindly check the PPT attached for more detailed design tips for same.
Best Regards
Sachin Garg

3750 and Nexus 5548UP Support

I am working on a project that was handed down and several different engineers got their hands on. The project is (or should have been) a simple data storage/center. Fixing all the design problems has left me with very little time to research the security folks issues and I need help.
We are using Cisco Nexus 5548UP for our data center core and distribution/routing to encryptors connecting our remote sites which use Cisco 3750X series switches. The Nexus is running NOS 5.2(1)N1(4) and the 3750s use 12.2(55) IP base.
These are our particular issues:
1) For management and monitoring, what would be a good product to use to support this? If Cisco Prime Infrastructure, what ports would need to be allowed/opened through firewalls/ACLs (SNMP, syslog, etc)?
2) For switch login, the network security folks are reluctant to use TACACS and want to push for LDAP instead. Using Active Directory, is there any way to get the Cisco Nexus 5548UP and Cisco 3750Xs talking to Active Directory? I've found both 'yes' and 'no' answers online and am not sure. Do I need to use a different NOS and/or IOS? Are there specific directions somewhere? Or is it not possible?
3) Without TACACS, is there any way to implement command logging to a syslog server on the Nexus? On the 3750s, I make the following changes and all commands are relayed to our syslog server:
Enable
Configure terminal
Archive
Log config
Logging enable
Logging size 500
Hidekeys
Notify syslog
End
Is there anything similar for the Nexus?
4) In conjunction with #3, we need to be able to log each login attempt (success and failure) to a syslog server on the Nexus. On the 3750, using the "login on-[failure/success] log", it is can setup easy enough. On the Nexus, I haven't been able to find anything similar. I can't find any instructions on setting this up on the Nexus, though.
5) What IOS/NOS do we need to use to be able to lock out users after 3 failed logins (again, without using TACACS)?
If you need more information, please ask.
V/R,
Chris

The LRM is s special case transceiver which supports 10 Gbps over older FDDI grade multimode fiber when used with a mode conditioning patch cord. It is not supported on the Nexus 5548UP.
The SFP-10G-LR is used with single mode fiber for spans up to 10 km in length. It is supported on the 5548UP (and most every platform of Cisco's that takes SFPs).
Please see the product data sheet here.

Cisco Nexus 5548UP to Brocade SAN Connectivity

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