Ether channel between fiber optic ports any difference?

I will appreciate any help about the below questions.
there are two catalyst 4506 multilayer switches, Two SFP modules are installed on each switches for uplink purpose. (1000 Base SX fiber optic Gigabit ethernet SFP modules)
I want to connect two switches each other. Question is;
1.Can I bundle these two gigabit ports (ether channel) and get Two gigabit connection between switches ?
2.If I can do it, what happens if one of the lines fails?
I know I can configure ether channel between copper fast ethernet ports but I am not sure If I can benefit same feature for 1000 base SX fiber optic ports.
Thank you very much for helping :)

Hi Friend,
You can run a command "sh port capabilities " and that will how that whether that ports are capable of etherchannel or not.
Also AFAIK SFP ports are just the physical medium so it does not make a differece, they should be capable of etherchannel.
Also if one port of the channel goes down traffic will start trasversing through the other port so it will take care as redundancy. It will behave like other etherchannel which you cofnigure with copper ports.
HTH, if yes please rate the post.
Ankur

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How do I set up ether-channel between 4507s

This should be simple, but it's not.
I have three 4507s; one is an edge, and the other two are core switch/routers. I want two cables going from the edge ( on separate blades) to trunk to each of the core 4507s. This would mean four wires leaving the edge, and two wires into each core. thanks

Hi
you don't say what version of IOS you are running but attached is a link to config for 4500 etherchannel. This will apply to all IOS versions.
http://www.cisco.com/en/US/products/hw/switches/ps663/products_configuration_guide_chapter09186a00800ddacd.html
Is there something specific you are having trouble with ??
** Edit - just seen your second post - attachment is still relevant. ***
HTH
Jon

Need Information about More ports Fiber Optic Switches

Hiii Guys,
I need information about which Cisco Switch consist more Fiber Optic Ports. I knew one model Cisco (WS-C3750G-12S-E) Catalyst 3750G-12S-12 Gigabit Ethernet SFP ports. But we can using this we can make stacking up to 9 devices. Even though I need more than 12 ports in single device. Could any one help me out in this.

Hi Sayed,
Please take a look at the 3560E-12SD:
http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps7078/product_data_sheet0900aecd805bac22.html
[edit] Sorry, didn't catch from the first post reading that you've considered stacking (the 3560 doesn't support stacking).
For more than 12 fiber ports on a single device you'll need to go for the 4500 series with the appropriate modules:
http://www.cisco.com/en/US/products/hw/switches/ps4324/prod_models_comparison.html
Cisco Catalyst 4500 and 4500-E Series Line Cards
http://www.cisco.com/en/US/prod/collateral/modules/ps2710/ps5494/product_data_sheet0900aecd802109ea.html
WS-X4418-GB Cisco Catalyst 4500 Gigabit Ethernet Module, server switching 18 ports (GBIC).
BR,
Mohammed Mahmoud.

LACP between optical port and RJ45 port ?

Dear all:
I got one problem about lacp.This is the case:
Our core switch is cisco 4506e switch, and recently we got one huawei s5700-28C-EI which uplink to our cisco 4506. We want to enable lacp between them. But there is one problem, my s5700 and 4506e all just leave one 10GE port. I know they cannot support lacp between 10GE and 1GE now. So I want to enable lacp between 1GE optical port and 1GE RJ45 port. May I ?

Etherchannel does not care about the media in use as long as the speeds/duplex etc. are the same so you should be able to mix copper and fibre into the same etherchannel.
Jon

How to configure ether channel

Hi mates,
As far as I know, when you configure ether channel (PAGP/LACP) on two ports, they act like one port. but in reality packets are not sent through both ports. Only one of the ports is used until the actual link fails.
Question is:
I have two switches, each has two SFP ports, I want to connect two switches each other.
how can I make ether channel always use both ports when sending/transmitting packets? I remember it is possible.
thanks for helping :)

HI
i hope this link will help u .
http://www.cisco.com/en/US/products/hw/switches/ps663/products_configuration_example09186a0080094aec.shtml
when u create ether-channel it will automatically load balance based on source/destiantion mac address or source/destiantion ip address.
Thanks
Mahmood

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.

Is there a difference between SPDIF Optical and Digital Optical

i want to connect my tv's audio output to my home theater
i have a vizio tv, on the back of it, it says SPDIF OPTICAL OUT
and on the back of my panasonic home theater system it says, DIGITAL AUDIO IN, i tried connecting an optical cable and the sounds from my won't still go through the home theater system speakers.
i'm just wondering, is there a difference between SPDIF OPTICAL and DIGITAL OPTICAL?
ports look like the same.
Solved!
Go to Solution.

smileemile wrote:
i want to connect my tv's audio output to my home theater
i have a vizio tv, on the back of it, it says SPDIF OPTICAL OUT
and on the back of my panasonic home theater system it says, DIGITAL AUDIO IN, i tried connecting an optical cable and the sounds from my won't still go through the home theater system speakers.
i'm just wondering, is there a difference between SPDIF OPTICAL and DIGITAL OPTICAL?
ports look like the same.
Nope, two names for the same thing.
You may have to change some settings of either the TV or the Panasonic system to output to the optical port (TV) and input from the optical port (surround receiver).
*disclaimer* I am not now, nor have I ever been, an employee of Best Buy, Geek Squad, nor of any of their affiliate, parent, or subsidiary companies.

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

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"

How to operate a fiber optic switch with seria port?

I have a fiber optic switch ( 3 input channels and 1 output and serial port interface), how i can i operate it in labview?

What have you tried? What is the protocol for the switch? What is the model of the switch?
If you are starting from scratch, look in the LabVIEW Example Finder (Help->Find Examples) and look for the Simple Serial Write and Read. It isn't the best of examples, but it will teach you the beginnings of how to communicate with an instrument.
There are only two ways to tell somebody thanks: Kudos and Marked Solutions

Is there any difference between an HP Photosmart 7510 and 7520?

Is there any difference between the HP Photosmart 7510 printer and the 7520?
I have tried asking HP. They were not able to help. Presales advice for domestic customers appears to be virtually non existent in the UK.
All I know is that Argos deal with Ingram Micro to get the 7520.
Is the 7520 just a marketing ploy - selling the same product for a different price?

Yes there is a difference. They are not the same; however, they are based on the same platform (engine). The 7520 is the newer model which just replaced the 7510.
The main differences is the 7520 includes a hardware fax built-in whereas the 7510 used the efax utility in order to send faxes. This essentially allows you to fax directly from one fax machine to another without using a server based method.
Other features on the 7520 include addition of a Scan to email feature as well as the addition of a USB 2.0 port on the front of the printer.
You can find the complete 7520 product specs on the hp website:
http://shopping.hp.com/en_US/home-office/-/products/Printers/HP-Photosmart/CZ045A?HP-Photosmart-7520...
Though I work for HP, My posts express MY opinion, and not those of HP.

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.
Best regards,
Jim

Port channel between Nexus and Server is initializing

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.

Any difference in functionality between the two 802.11n models?

I plan on eventually having three airport extreme base stations in my house, in an 802.11n WDS network so I can stream HDTV and DVD movies between the many MythTV and XBMC machines on my network. My first AEBS is the MBxxx model, with the gig network ports. I just bought a second AEBS which was advertised as being the MBxxx model, but is actually the MAxxx model with the 10/100 ethernet ports. Awesome.
The only router I need to have gig ports is the one plugged directly into my backbone switch, so I could get away with the other two having 10/100 ethernet. What I'm wondering, though, is if there's any difference with the firmware between the two models. Will I lose any functionality by not having all MBxxx model routers, or run into any performance issues that are cleared up in the new models?
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Hi,
Those 2 queries are not the same. Depending on your data, Query A, may select more rows than Query B.
I don't have access to your table, so I'll give an example using the scott.emp table.
The following 2 queries are similar to your 2 queries:
SELECT deptno -- Query A
,       job
,       sal
FROM    scott.emp m
WHERE   deptno IN (
                      SELECT sj.deptno
                      FROM    scott.emp sj
                      WHERE   sj.deptno = m.deptno
                      AND     sj.job     = 'CLERK'
AND     deptno IN (
                      SELECT ss.deptno
                      FROM    scott.emp ss
                      WHERE   ss.deptno = m.deptno
                      AND     ss.sal     > 1200
SELECT deptno    -- Query B
,       job
,       sal
FROM    scott.emp m
WHERE   deptno IN (
                      SELECT s.deptno
                      FROM    scott.emp s
                      WHERE   s.deptno = m.deptno
                      AND     s.job     = 'CLERK'
                      AND     s.sal     > 1200
The results of Query A are all 14 rows in the table, but Query B produces only the 3 rows from deptno=10.
Query A is looking for departments that have CLERKs, and departments that have sal>1200. If one row in the department has job='CLERK' (no matter what the sal is), and another row has sal>1200 (no matter waht the job is), then that department meets both criteria.
Query B is looking for departments who have CLERKs whose sal is over 1200. Both criteria must be met on the same row.

Difference between sy-datum and any given date

Dear Friends;
I have one query regarding DATE I wanna calculate the difference between
SY-DATUM and ANY GIVEN DATE . Is there any function or code available that take one parameter as sy-datum and another parameter as any given date and give result as no. of days between them
Regards;
Parag

DATA: DATEDIFF TYPE P.
CALL FUNCTION 'SD_DATETIME_DIFFERENCE'
EXPORTING
    date1                 = '20071122'
    time1                 = '000001'
    date2                 = '20070905'
    time2                 = '000001'
IMPORTING
   DATEDIFF               = DATEDIFF
EXCEPTIONS
   INVALID_DATETIME       = 1
   OTHERS                 = 2.
Greetings,
Blag.

Ether channel between fiber optic ports any difference?

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