Enhanced vpc with ucs 6248up

I got 2 6248up FI going to 2 N7k.
can i stup enhanced vpc using both FI as active uplinks or can only 1 be active at one time?
in ucsm, I am only seeing 1 pot channel on fabric A - with 4 uplinks 17-20
but on fabric B i see 1 port channel with no links

If your FI's are in endhost mode, they should act like access ports and not disable a connectino via STP. If that is happening maybe you are in Switch mode?
Craig

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NX-OS firmware Upgradation in Nexus 5548 with Enhanced vPC with Dual Active FEX

Hi All,
Please tell me how to do "NX-OS firmware Upgradation in Nexus 5548 with Enhanced vPC with Dual Active FEX" without downtime for FEX.
The Server are connected to FEX.
Attached the diagram.

Hi,
If the 5500s are layer-2 with vPC running between them than you can use ISSU to upgade.
here is doc to follow:
ISSU Support for vPC Topologies
An ISSU is completely supported when two switches are paired in a vPC configuration. In a vPC configuration, one switch functions as a primary switch and the other functions as a secondary switch .They both run the complete switching control plane, but coordinate forwarding decisions to have optimal forwarding to devices at the other end of the vPC. Additionally, the two devices appear as a single device that supports EtherChannel (static and 802.3ad) and provide simultaneously data forwarding services to that device.
While upgrading devices in a vPC topology,you should start with the switch that is the primary switch. The vPC secondary device should be upgraded after the ISSU process completes successfully on the primary device. The two vPC devices continue their control plane communication during the entire ISSU process (except when the ISSU process resets the CPU of the switch being upgraded).
This example shows how to determine the vPC operational role of the switch:
link:
http://www.cisco.com/en/US/docs/switches/datacenter/nexus5000/sw/upgrade/513_N1_1/n5k_upgrade_downgrade_513.html
HTH

Enhanced VPC

Folks,
I do not have a 2232 in my lab to test this but do we need VPC1 in the below sample config? I think this is an error:
The sample config is for enhanced vpc with active-active fex senario.
nexus5500-sanA(config)#interface eth 101/1/1
nexus5500-sanA(config-if)# channel-group 1 mode active
nexus5500-sanA(config-if)# interface port-channel 1
nexus5500-sanA(config-if)# vpc 1
nexus5500-sanB(config)#interface eth 101/1/1
nexus5500-sanB(config-if)# channel-group 1 mode active
nexus5500-sanB(config-if)# interface port-channel 1
nexus5500-sanB(config-if)# vpc 1
I think the command in bold is not needed in a active-active Fex Senario. The Nexus switches will automatically find out if they are connected to the same host by the channel-group number.
Any assistance would be highly appreciated.

1) It is not EvPC in this set up. Just a regular vPC since the FEX is straight through.
2) It is true for the N5K but not N7K. N7K doesn't support vPC FEX.
Q1. On the server, it is a regular PO. on the FEX 1 and FEX 2, it will be vPC.
Q2. This will consider EvPC on the N5K ONLY. You will need to configure vPC for the FEXs and regular PO toward the server.
Q3. This is not EvPC. Just regular connections.
Q4. This is not EvPC, just regular connections.
To simiply vPC vs EvPC. vPC is also known as single-layer vPC, meaning the followings:
or
EvPC also known as dual-layer vPC and it looks like the following:
HTH,
jerry

Enhanced VPC doubt

Hi,
I was going through the documentation for enhanced VPC and had some doubts
A FEX can be:-
1) Single homed to N5K/N7K
2) Dual homed to N5K/N7K
If scenario 1, Do i have to create a VPC just to connect a server that has 2 NICs homed to FEX1 and FEX2 with active/active?
If scenario 2, Do i have to create a VPC just to connect a server that has 2 NICs homed to FEX1 and FEX2 with active/active?
If scenario 1, Do i have to create a VPC just to connect a server that has 2 NICs homed to FEX1 and FEX2 with active/standy?
If scenario 2, Do i have to create a VPC just to connect a server that has 2 NICs homed to FEX1 and FEX2 with active/standy?
What is the condition that must be met in order to call a VPC an 'enhanced VPC'?
Regards

1) It is not EvPC in this set up. Just a regular vPC since the FEX is straight through.
2) It is true for the N5K but not N7K. N7K doesn't support vPC FEX.
Q1. On the server, it is a regular PO. on the FEX 1 and FEX 2, it will be vPC.
Q2. This will consider EvPC on the N5K ONLY. You will need to configure vPC for the FEXs and regular PO toward the server.
Q3. This is not EvPC. Just regular connections.
Q4. This is not EvPC, just regular connections.
To simiply vPC vs EvPC. vPC is also known as single-layer vPC, meaning the followings:
or
EvPC also known as dual-layer vPC and it looks like the following:
HTH,
jerry

UCS 6248UP to UCS 2104XP AND UCS 6120XP to UCS 2208XP

Hi,
Is the UCS 6248UP compatible with the UCS 2104XP? AND
Is the UCS 6120XP compatible with the UCS 2208XP?
Thank you.

We have 2 x 6120XPs connected to one chassis with 2 x 2208 IOMs running the newest code, 2.2.3.
I have tried everything I can think of to create port channels between the FIs and the IOMs, but for some reason it appears that this cannot be done.
Can anyone confirm where the limitation is? I assume the 6120XPs as I have the same setup running port channels on the newer 6248s. Can anyone confirm with a possible link to capabilities?
Thanks,
Joe

Double sided VPC/enhanced VPC and MST

Hello,
I have some doubts/clarifications regarding MST with VPC--
There are two N7K core switches and four N5K switches and eight N2K.
there will be double sided VPC between N5K and N7K.
there will be enhanced vpn between N5k and n2k.
N7Ks will be connected to fifteen 4500.
Each 4500 will be in a VPC with N7k.
Each 4500 is single homed to 15 catalyst edge switches
Assume MST needs be configured in this network.
1) On MST instance - on N7K as per cisco design guide
2) Map all vlans (1-3967,4048-4093) in this instance N7K as per cisco design guide
3) No need to hard code root as peer switch command will be used
Now the concern that i have is regarding MSt configuration on all 4500.
1) 4500 number 1 may have vlans 2,3,4,5,6,7 and 4500 number 2 may have vlans 2,11,12,13,14,15,16
so can i just map all vlans to the single instance like instance 1 vlan 1-4094 on all catalysts 4500?
2) catalyst edge switches all run PVST+, i believe 4500 mst will interoperate with edge switch pvst+.
Is there any othe things that need tobe taken care of in this scenario?
Regards

1) If you are using MST with single region, I don't see the point. It can be done with RPVST+ without any interop worries.
2) Same as 1.
3) This is not true, with peer-switch feature, it is a BP to hard code the N7K as STP root with the same priority value, otherwise, the smallest switch ID will be the root. In you case, most likely the oldest switch will become the root if you don't hard code it.
To your second set of questions:
1) Yes, you need to match all your region(s) with the same VLANs, otherwise, you will have MST inconsistency.
2) Yes.
HTH,
jerry

Persistent Store Problems for MYSQL Enhanced Cluster With OpenMQ 4.4

I am trying to implement an enhanced cluster with failover. I have edited the config files for each broker instance for a persistent store. I have appended the following to each of the config.properties files:
imq.brokerid=myclusterinstanceINSTANCE1 # I substitute INSTANCE2 for INSTANCE1 for broker #2
imq.persist.store=jdbc
imq.persist.jdbc.dbVendor=mysql
imq.persist.jdbc.mysql.property.url=jdbc:mysql://xxx.xxx.xxx.xx:3306/test
imq.persist.jdbc.mysql.user=user1
imq.persist.jdbc.mysql.needpassword=true
imq.persist.jdbc.mysql.password=mypass
imq.cluster.ha=true
imq.cluster.clusterid=mycluster
imq.cluster.brokerlist=xxx.xxx.xxx.x:37676,yyy.yyy.yyy.y:37676
I then create the persistence storage with "imqdbmgr create tbl". When I view the data in the tables it creates, I have one row. Under Store_Version, I have 410. Under LOCK_ID, it has NULL. When I go to start the brokers with imqbrokerd, I get the following error:
ERROR [B3198]: Error initializing cluster manager:
com.sun.messaging.jmq.jmsserver.util.BrokerException: [B4239]: Failed to load persistent store version from database table MQVER41Cmycluster
at com.sun.messaging.jmq.jmsserver.persist.jdbc.VersionDAOImpl.getStoreVersion(VersionDAOImpl.java:310)
at com.sun.messaging.jmq.jmsserver.persist.jdbc.DBTool.updateStoreVersion410IfNecessary(DBTool.java:350)
at com.sun.messaging.jmq.jmsserver.persist.jdbc.JDBCStore.checkStore(JDBCStore.java:3599)
at com.sun.messaging.jmq.jmsserver.persist.jdbc.JDBCStore.<init>(JDBCStore.java:127)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at java.lang.Class.newInstance0(Class.java:355)
at java.lang.Class.newInstance(Class.java:308)
at com.sun.messaging.jmq.jmsserver.persist.StoreManager.getStore(StoreManager.java:157)
at com.sun.messaging.jmq.jmsserver.Globals.getStore(Globals.java:967)
at com.sun.messaging.jmq.jmsserver.cluster.ha.HAClusterManagerImpl.initialize(HAClusterManagerImpl.java:181)
at com.sun.messaging.jmq.jmsserver.Globals.initClusterManager(Globals.java:903)
at com.sun.messaging.jmq.jmsserver.Broker._start(Broker.java:777)
at com.sun.messaging.jmq.jmsserver.Broker.start(Broker.java:410)
at com.sun.messaging.jmq.jmsserver.Broker.main(Broker.java:1971)
Caused by: java.lang.NullPointerException
at com.mysql.jdbc.ResultSetImpl.findColumn(ResultSetImpl.java:1103)
at com.mysql.jdbc.ResultSetImpl.getInt(ResultSetImpl.java:2777)
at com.sun.messaging.jmq.jmsserver.persist.jdbc.VersionDAOImpl.getStoreVersion(VersionDAOImpl.java:298)
... 16 more
I believe this error is attributed to the NULL value under LOCK_ID. I think that the value under LOCK_ID should be the name of the broker from the config file (even though I specified them in the config files). Any ideas?? THANKS!

Just some pointers -- maybe this will be of use:
If you haven't already read it, please take a look at the [ MySQL setup guide|https://mq.dev.java.net/OpenMQ_MySQLCluster_Setup_Guide.html] .
We recommend using NDB Data-store of MySQL Cluster, though this isn't an absolute requirement. Due to some issues we have found with earlier versions, we recommend using MySQL Cluster, 7.0.9 or better (the current version is 7.0.16, or 7.1.5). Either of these would contain Connector/J.
I'd also recommend using the latest version -- MQ 4.4update2 (just in case you happen to have an older copy). There were many minor improvements in the integration with MySQL from the original 4.4 release, to update 2. This is linked at the MQ download page: [https://mq.dev.java.net/downloads.html]

Qt3-enhanced conflicts with qt3 though I have no qt3

Hi,
I'm trying to install KDEMod, after a clean installation of Arch.
# pacman -S kdemod-base
:: group kdemod-base:
kdemod-arts kdemod-gnu-gift kdemod-kde-common kdemod-kdebase
kdemod-kdelibs kdemod-perl-xml-xql kdemod-ui-kde qt3-enhanced
:: Install whole content? [Y/n] y
resolving dependencies... done.
looking for inter-conflicts...
error: unresolvable package conflicts detected
error: failed to prepare transaction (conflicting dependencies)
:: qt3-enhanced: conflicts with qt3
But i searched my system, there is no qt3 or kde related stuff installed:
# pacman -Q | grep qt
# pacman -Q | grep kde
both return nothing.
How do I solve this?
Thank you
PS: I previously install opera-static. But nothing changes after i removed it.
Last edited by Mr_Shameless (2008-06-01 02:11:56)

Thank you very much though i didnt have the chance to try that. I tried a fresh install of the new 2008.03 release and didnt have that problem

How to include an enhancement package with upgrade without Solution Manager

Hello,
I have been trying to do an upgrade from SAP R3 46C to ERP6 in my sandbox. I want to include Enhancment package 3 with the upgrade. I have tried using the Solution Manager to download the Enhancement package and it work fine except that it did not create the XML Stack configuration file that the upgrade is looking for. Therefore I downloaded the DVD for Enhancement package 3 and included that in the mounted CDs in the PREPARE portion of the upgrade and it does not recognize it.
Now for my question, is there a way to include the Enhancement package with the upgrade without using Solution Manager? If so, could someone please let me know where to find the information or share the procedure with me?
Thank you in advance,
Ron

The EPs are just like support packages (optional); if the upgrade is not letting you put it during upgrade then just do it once the upgrade is completed.

Webinar: "Cross-file navigation & enhanced interactivity with TimeSavers + Navigation Asst" (March 5

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To register to this free one-hour webinar, please write to [email protected]
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FrameMaker/Acrobat training & consulting * FM-to-Acrobat TimeSavers/Assistants

Nexus 5548 enhanced VPC capability

does the nexus 5548up running 5.0(3)N2(2b) support enhanced VPC? fabric VPC to the fex and vPC from the fex down to the host? if not, what minimum code version supports it? Thanks

You need NX-OS 5.1(3)N1(1) to run enhanced VPC.
Link:
http://www.cisco.com/en/US/docs/switches/datacenter/nexus5000/sw/mkt_ops_guides/513_n1_1/n5k_enhanced_vpc.html
HTH

ISCSI storage with UCS

Hi All,
Can i ask a question with regards to connecting iSCSI storage to use with UCS. We are looking at using Nimble storage which is iSCSI based & want to understand best practise recommendations on how to connect it to UCS to get the best level of performance & reliability/ resilience etc.
Another question is more around how VMware deals with loss of connectivity to one path (where dual connections are setup, from storage to fabrics), would it re-route traffic to running path?
Any suggestions would be appreciated.
Kassim

Hello Kassim,
Currently Nimble iSCSI storage is certified with UCS 2.0.3 firmware version.
http://www.cisco.com/en/US/docs/unified_computing/ucs/interoperability/matrix/r_hcl_B_rel2.03.pdf
The following guide can serve as reference.
Cisco Desktop Virtualization Solution with Nimble Storage Reference Architecture
http://www.cisco.com/en/US/solutions/collateral/ns340/ns517/ns224/ns836/ns978/guide_c07-719522.pdf
In above setup, ESXi software iSCSi multipathing with PSP Round Robin algorithm is implemented to take to care of load balancing IO and failover with dual paths.
HTH
Padma

Cisco nexus 9508 Vpc with catalyst switches

Hi,
i am karthik.
we are going to build the nexus 9508 with NX-OS in our data center. in existing we are having 50's of catalyst L2 and L3 switches.
If we perform the Vpc with 9K and catalyst switches. is there any restrictions on particular model catalyst switches will support Vpc with 9K?
Kindly clarify my question?
Thanks in advance for the valuable response!!!!

Hi,
i am having 4500 series switches and 6E sup engine.
Then we are having nexus 9508 and N2232PP. when we try to configure fex between these switches.
in Nexus 9508 showing unknown features error.
Current Nx-OS version is n9000-dk9.6.1.2.I2.2.bin.

Vpc and enhanced Vpc

Hi,
I need to check if my nexus 5548UP is running Vpc or enhanced Vpc. Is there a command to verify that
I have NXOS 5.1(3)N2(1) running on this switch
Thanks
raj

As far as I know, there is no such a command to verify if you are running VPC or eVPC. The show commands for vpc are just "show vpc" or "show vpc keep-alive" etc..

Register with UCS Central - Stuck on Repair Cert Verify Guid

I've got a new instance of UCS Central running v1.1.1a up. I'm trying to register my 3 UCS Manager domains. It seems to accept the hostname/shared secret and prompts me about accepting the certificate. But when I look at the FSM tab I see it's stuck on "Repair Cert Verify Guid".
Anyone else run into this?
Thanks,
Jonathan

Hi Padma,
Are you sure the shared-secret matches between Central and UCSM ? Yes. Just to make sure, I reset the shared secret and tried to Register with UCS Central again, but it made no difference.
Are you using self-signed certs or third party signed certs on UCSM ? I am using the self-signed cert that UCS Central issues.
Are those certs still valid ? I think the self-signed cert is okay, I can login to the UCS Central webpage.
Were these UCSM previously registered with different Central device ? No. However one of the domains was successfully registered with this UCS Central server and then unregistered. Then I made a number of changes to the UCSM including updating to Infra bundle 2.1.2a. I don’t think updating the UCSM infrastructure bundle would have this effect, but I wonder if I need to reset the UCS Central system somehow.
Thank you for your assistance.

Enhanced vpc with ucs 6248up

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