FC Port Channel between UCS and MDS.

Hi All,
I am new to Cisco Fabric Concepts. In my enviornment i have a F port channel(8 Port Group) created on MDS 9513 switch and this Fport
channel is connected to Cisco UCS 6296 FI. The Cisco UCS Blade servers are connected to the Fabric Interconnect .
On MDS NPIV is enabled.
Can anyone explain the below questions.
1. Why do we create an F port Channel Group and connect it to the UCS FI? Is this something similar to Brocade Edge to AG Switch Connectivity.
2. How to configure F port Channel Group in MDS . Can anyone explain with an example.
3. Do we need to make any Configuration on UCS FI ports for server connectivity and Channel port Connectivity if yes what are the steps required to
do the same.Does the WWPN shows up in the FLOGI Database if the connectivity and configuration looks good in UCS FI and MDS.
4. What happens when a VSAN on MDS switch is added to the Port Channel.
Thanks and Regards,
Santosh surya

Look at my remarks in
https://supportforums.cisco.com/discussion/12468266/fc-port-channels-between-mds-and-ucs-fi-best-practice
1. Why do we create an F port Channel Group and connect it to the UCS FI? Is this something similar to Brocade Edge to AG Switch Connectivity.
F port channel is proprietary; therefore any such F port channel between UCS FI and Brocade doesn't work.
2. How to configure F port Channel Group in MDS . Can anyone explain with an example.
see eg.
https://supportforums.cisco.com/sites/default/files/legacy/9/9/2/53299-UCS_1-4-1_F-port_channel-trunk-v1.pdf
3. Do we need to make any Configuration on UCS FI ports for server connectivity and Channel port Connectivity if yes what are the steps required to
see eg.
https://supportforums.cisco.com/sites/default/files/legacy/9/9/2/53299-UCS_1-4-1_F-port_channel-trunk-v1.pdf
Does the WWPN shows up in the FLOGI Database if the connectivity and configuration looks good in UCS FI and MDS.
flogi database is on the MDS, not FI; there are however UCS CLI commands, like "show npv ...."
4. What happens when a VSAN on MDS switch is added to the Port Channel.
If its not created on UCS, it will just not become the status "up"

Similar Messages

Create port channel between UCS-FI and MDS 9124 (F Mode)

Dear Team,
We were trying to create port channel between UCS FI and MDS 9124
But the port channel not getting active in F mode on MDS 9124
FI is in FC End Host Mode
We have enabled FC uplink trunking on FI
We have enabled NPIV on MDS
We have enabled trunk on MDS
FI and MDS in default VSAN
To check we changed the FI mode to FC Switching mode and port channels became active but in E mode
when we enabled FC uplink trunking on FI and FC Switching mode port channels became active in TE mode
but in both the above cases showflogi database shows WWPN of SAN alone not showing any from FI.
How to achive this?
Have read that no need to change the swicthing mode to FC Switching mode and keep as FC Endhost mode
SO how to achieve Port channel with F mode in MDS and FI ( Mode showing as NProxy)
Does it has to do anything with MDS NX-OS version? (https://supportforums.cisco.com/thread/2179129)
If yes how to upgrade as license for ports came along with Device and we do not have any PAC/PAK or license file as it came
with license
Also we have seen 2 files availabe for download (m9100-s2ek9-kickstart-mz.5.2.8b.bin and m9100-s2ek9-mz.5.2.8b.bin) which to use
Thanks and Regards
Jose

Hi Jo Bo,
what version of software if your MDS running?
On your UCS do connect nxos and show inteface brieft and look at the mac address.
it is possible that you might be hitting the bug below. if this is the case you might need to upgrade the firmware on your MDS.
Add MAC OUI "002a6a", "8c604f", "00defb" for 5k/UCS-FI
http://tools.cisco.com/Support/BugToolKit/search/getBugDetails.do?method=fetchBugDetails&bugId=CSCty04686
Symptom:
Nexus switch unable to connect any other Nexus or other Cisco Switch in NPV mode with a F port-channel. Issue might be seen in earlier 5.1 releases like
5.1.3.N1.1a
but not the latest
5.1.3.N2.1c
release. Issue is also seen in
5.2(1)N1(1)
and
6.0(2)N1(1)
and later releases.
Conditions:
Nexus configured for SAN PortChannels or NPIV trunking mode Nexus connected to UCS via regular F port channel where UCS in NPV mode NPV edge switch: Port WWN OUI from UCS FI or other Cisco manufactured switch: xx:xx:00:2a:6a:xx:xx:xx OR xx:xx:8c:60:4f:xx:xx:xx
Workaround:
Turn-off trunking mode on Nexus 5k TF-port Issue does not happen with standard F-PORT Remove SAN Portchannel config
Further Problem Description:
To verify the issue please collect show flogi internal event-history errors Each time the port is attempted OLS, NOS, LRR counters will increment. This can be determined via the following output, show port internal info all show port internal event-history errors

SAN Port Channel between 6120 and Brocade

Has anyone setup or know how to setup a SAN Port Channel between 6120s and a Brocade FC switch? I know that it requires UCS firmware 1.4 but I don't know what the Brocade requirements are.

The SAN port channel is Cisco proprietory. You cannot setup SAN port channel with Brocade. Sorry

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Hi all,
I will need your help.
I have Nexus 5000, there is a POrt Channel between Nexus and Server, but one port always is in initializing.
sh interface Ethernet101/1/27
Ethernet101/1/27 is down (initializing)
Hardware: 1000/10000 Ethernet, address: c8f9.f920.5b5c (bia c8f9.f920.5b5c)
MTU 1500 bytes, BW 10000000 Kbit, DLY 10 usec
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA
Port mode is trunk
auto-duplex, 10 Gb/s, media type is 10G
Beacon is turned off
Input flow-control is off, output flow-control is on
Rate mode is dedicated
Switchport monitor is off
Any idea?
Regards

how many ports are you using in this port channel.
can you paste the configuration of the channel ports and the interface.
check the sh log if you are getting any log related to the port channeling.

LACP port channel between 6509 and Nexus 7K

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Thanks,
Joe

We are in the process of migrating from dual 6509's to dual 7010's. We have moved our 5k/2K's behind the 7K and have layer 2 up between the 6509 and 7K. This link is configured as a port channel with 2 1gig links using LACP. The port channel is up and working and traffic is passing but it doesn't appear the load it equally distributed between the links. Both the 7K and 6K are setup for src-dst-ip for the load balancing. The links have been in place for over 12 hours and I would have expected them to "equal" out. Has anyone had this issue in or is this to be expected? For clarification there is not VPC inolved in this configuration it is simply a port-channel between one 6509 and a 7010.
Thanks,
Joe

Port-channel between ACE4710 and switch

Hi all,
I have configured port-channels on ACE and switch. Full-duplex and speed 1000Mbps are set on both sides. The configurations of port-channel on both sides is same. But there are output drops on the switch. See:
Last clearing of "show interface" counters 00:31:24
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 536
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Thank you
Roman

Hi Roman,
Please paste the configuration of the ACE and Switch
Cesar R
ANS Team

FC port channels between MDS and UCS FI best practice?

Hi,
We would like to create FC port channels between our UCS FI's and MDS9250 switches.
At the moment we have 2 separate 8Gbps links to the FI's.
Are there any disadvantages or reasons to NOT do this?
Is it a best practice?
Thanks.

As Walter said, having port-channels is best practice. Here is a little more information on why.
Let's take your example of two 8Gbps links, not in a port-channel ( and no static pinning ) for Fibre Channel connectivity:
Hosts on the UCS get automatically assigned ( pinned ) to the individual uplinks in a round-robin fashion.
(1)If you have some hosts that are transferring a lot of data, to and from storage, these hosts can end up pinned to the same uplink and could hurt their performance.
In a port-channel, the hosts are pinned to the port-channel and not individual links.
(2)Since hosts are assigned to an individual link, if that link goes down, the hosts now have to log back into the fabric over the existing working link. Now you would have all hosts sharing a single link. The hosts will not get re-pinned to a link until they leave and rejoin the fabric. To get them load balanced again would require taking them out of the fabric and adding them back, again via log out, power off, reload, etc...
If the links are in a port-channel, the loss of one link will reduce the bandwidth of course, but when the link is restored, no hosts have to be logged out to regain the bandwidth.
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Jim

What can be the max difference in cable lengths that we can have between the ISLs in a port-channel between MDS switches?

Hello All
What can be the max difference in cable lengths that we can have between the ISLs in a port-channel between MDS switches? Do we have any documentation?
Thanks
Chetan

competitive solution instead recommends a distance variance of 30 meters or less among ISLs within a trunk. If the distance variance is greater than 30 meters, undesired and degraded performance will occur. For example, if a trunk has a distance of 100 kilometers, the competitive trunking solution allows a cable length variance of only 0.03 percent!
ref;
http://www.cisco.com/c/en/us/products/collateral/storage-networking/mds-9500-series-multilayer-directors/white_paper_c11-534878.html
hth
regards
inayath
**********PLZ dont forget to rate if this info is helpfull.

Configure port channel between IO Module and FI

Hi,
I have the current setup
UCS chassis (4 uplinks) --> FI --> (Port channel) --> N5K --> (port channel) --> VSS 6500
I configure port channel between IO Module and the FI by changing to policy to "Port Channel" and set the link to 4
FI has created a portchannel under "Internal" containing all the FI interfaces that are connected to the IO module.
I have installed ESXI on a blade but i was unable to reach it, even the esx was unable to ping the gateway.
VLAN tagging is enabled from the ESX server.
I have issued the command "show mac address-table | inc <mac address of the vnic assigned from thre service profile> on both the N5K and thr 6500 and the mac is there.
I have allowed all the vlans on the vNIC from the service profile.
am I missing anything?
thanks

Hello,
Can you please check whether your ESXi vmkernel interface ip address learned on right VLAN on FI / upstream switch or not.
connect nxos
show mac-address-table | inc
Padma

Interface port-channel btw N2K and Brocade VDX

Dear all,
I tried to configure a port-channel between a nexus 2K (2FEX) and a brocade VDX (VDX6710).
As you seen below, my configuration :
N2K
Po10
switchport access vlan 200
Eth101/1/6
switchport access vlan 200
channel-group 10 mode active (used LACP)
Eth102/1/6
switchport access vlan 200
channel-group 10 mode active (used LACP)
VDX
interface Port-channel 27
vlag ignore-split
speed 1000
switchport
switchport mode access
switchport access vlan 200
spanning-tree shutdown
no shutdown
interface GigabitEthernet 21/0/31
channel-group 27 mode active type standard
lacp timeout long
no shutdown
interface GigabitEthernet 22/0/31
channel-group 27 mode active type standard
lacp timeout long
no shutdown
Unfortunately, we can't up the link for interfaces and so the port-channel.
We have the next message from the N5K for FEX :
%ETHPORT-5-IF_ADMIN_UP: Interface Ethernet101/1/6 is admin up .
%ETHPORT-5-SPEED: Interface Ethernet101/1/6, operational speed changed to 1 Gbps
%ETHPORT-5-IF_DUPLEX: Interface Ethernet101/1/6, operational duplex mode changed to Full
%ETHPORT-5-IF_RX_FLOW_CONTROL: Interface Ethernet101/1/6, operational Receive Flow Control state changed to off
%ETHPORT-5-IF_TX_FLOW_CONTROL: Interface Ethernet101/1/6, operational Transmit Flow Control state changed to on
%ETHPORT-5-IF_UP: Interface Ethernet101/1/6 is up in mode access
%ETHPORT-5-IF_DOWN_NONE: Interface Ethernet101/1/6 is down (None)
%ETHPORT-5-IF_DOWN_ERROR_DISABLED: Interface Ethernet101/1/6 is down (Error disabled. Reason:BPDUGuard)
Any idea about the configuration ?
Thanks for your help.
Matthieu

Fexes are really made to connect hosts and not switches . So the ports should not see bpdu's so bpduguard is err-disabling the ports.
Spanning Tree Protocol
HIFs go down with the BPDUGuard errDisable message
HIFs go down accompanied with the message, BPDUGuard errDisable.
Possible Cause
By default, the HIFs are in STP edge mode with the BPDU guard enabled. This means that the HIFs are supposed to be connected to hosts or non-switching devices. If they are connected to a non-host device/switch that is sending BPDUs, the HIFs become error-disabled upon receiving a BPDU.
Solution
Enable the BPDU filter on the HIF and on the peer connecting device. With the filter enabled, the HIFs do not send or receive any BPDUs. Use the following commands to confirm the details of the STP port state for the port:

SAN Port-Channel between Nexus 5000 and Brocade 5100

I have a Nexus 5000 running in NPV mode connected to a Brocade 5100 FC switch using two FC ports on a native FC module in the Nexus 5000. I would like to configure these two physical links as one logical link using a SAN Port-Channel/ISL-Trunk. An ISL trunking license is already installed on the Brocade 5100. The Nexus 5000 is running NX-OS 4.2(1), the Brocade 5100 Fabric OS 6.20. Does anybody know if this is a supported configuration? If so, how can this be configured on the Nexus 5000 and the Brocade 5100? Thank you in advance for any comments.
Best regards,
Florian

I tried that and I could see the status light on the ports come on but it still showed not connected.
I configured another switch (a 3560) with the same config and the same layout with the fiber and I got the connection up on it. I just cant seem to get it on the 4506, would it be something with the supervisor? Could it be wanting to use the 10gb port instead of the 1gb ports?

Port Channels - WLC 5508 and 4510

LACP and PAgP are not supported on the controller and it appears that the 4500 series will not use LAG.
interface Port-channel10
description WLC Port-Channel
switchport
switchport mode trunk
service-policy input AutoQos-4.0-Input-Policy
service-policy output OUTPUT-PRIORITY-POLICING-ETHERCHANNEL
interface GigabitEthernet3/1
description Cisco 5508 Wireless Controller
switchport mode trunk
channel-group 10 mode active
spanning-tree link-type point-to-point
interface GigabitEthernet3/2
description Cisco 5508 Wireless Controller
switchport mode trunk
channel-group 10 mode active
spanning-tree link-type point-to-point
I am getting the error, "lacp not enabled on remote port..". I removed the 2nd fiber cable and removed the channel-group so I could get the WLC back online. Any help would be greatly appreciated.

In order to get the ether channel to work with the WLC you need to change your configuration from:
interface GigabitEthernet3/1
channel-group 10 mode active
interface GigabitEthernet3/2
channel-group 10 mode active
To mode ON
interface GigabitEthernet3/1
channel-group 10 mode on
interface GigabitEthernet3/2
channel-group 10 mode on
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using mode ON is part of the configuration guide when enabling Cisco WLC LAG option.

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Hi All,
I want to configure Port channel for WLC 5508 and cisco 3750 Stack Switch. What changes I need to make on WLC and where?
Thanks
Jagdev

Thanks Chris,
LAG is enable on WLC, and Port channel is configured on 3750, Please see the configration and Port channel status below:-
(Cisco Controller) >show lag summary
LAG Enabled
interface Port-channel14
description Port Channel to WLC001
switchport trunk encapsulation dot1q
switchport mode trunk
end
sh etherchannel 14 summary
Flags: D - down        P - bundled in port-channel
        I - stand-alone s - suspended
        H - Hot-standby (LACP only)
        R - Layer3      S - Layer2
        U - in use      f - failed to allocate aggregator
        M - not in use, minimum links not met
        u - unsuitable for bundling
        w - waiting to be aggregated
        d - default port
Number of channel-groups in use: 14
Number of aggregators:           14
Group Port-channel Protocol    Ports
------+-------------+-----------+-----------------------------------------------
14     Po14(SD)        LACP      Gi1/0/22(I) Gi2/0/22(I)
sh run int g1/0/22
Building configuration...
Current configuration : 209 bytes
interface GigabitEthernet1/0/22
description Trunk to WLC001 DistPort1
switchport trunk encapsulation dot1q
switchport trunk native vlan 254
switchport mode trunk
channel-group 14 mode active
end
sh run int g2/0/22
Building configuration...
Current configuration : 209 bytes
interface GigabitEthernet2/0/22
description Trunk to WLC001 DistPort2
switchport trunk encapsulation dot1q
switchport trunk native vlan 254
switchport mode trunk
channel-group 14 mode active
end

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Hi Guy's
Need a solution to the issue, the SCCM 2012 clients under a secondary site { Secondary site with SUP\WSUS } are downloading 200Mb + data at port 8530. This seems quite abnormal.
Need to know answer of below
1- Actual size of catalog what clients should download or path where on WSUS is stored
2- How to restrict a huge sized download between WSUS and CM 2012 client
This is not the case where clients are directly reporting to Primary size.
Regards
Sushain Kapoor
Regards Sushain KApoor

Hi Jason
Just a little clarity, will the client download information for a particular product or all the products selected in wsus.
Eg: Windows 7 systems will download the catalog information of Windows 7 only against selections made in WSUS. Or it will download the windows XP and windows vista and other product information also. This particular question i am asking as i see only 300
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8Gig Port Channel between two 6509s

Hey all,
I have two 6509s that I'm trying to configure an 8 Gig trunk/port channel. I have an 8 port fiber module in slot 3 on both switches. When I use the following command: "set port channel 3/1-8" on it seems to take the command, but if I do "show port channel" it shows two groups:
3/1-4
3/5-8
Is there a limit as to how many gigs a port channel can be? If not, why does it split it like this?
I should also note I'm using dot1q for the trunks using Auto mode on one switch and Desirable on the other.
Thanks,
Scott

I did a show port cap on the interfaces and I didn't see any sort of restriction. I decided to run the command again 'set port channel 3/1-8 on' and for some reason it seemed to work this time. Not sure what changed, but it's working now.
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FC Port Channel between UCS and MDS.

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