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*Cisco San Switch
*Cisco Mds Switch Simulator Cisco
*Cisco Mds 9000 Simulator
*Cisco Mds Simulator
MDS-Series Switch Tools Cisco Storage SAN-CURSO de SISTEMAS DE VIGILANCIA DVR NVRhttps://e. Before a Spectrum Virtualize system is upgraded to 8.3.1.1 software, any attached Cisco MDS switch must be running Cisco 8.4(1) or later firmware. Upgrading the Spectrum Virtualize system to 8.3.1.1 with a Cisco switch running earlier firmware may result in loss of access for attached hosts. 8.3.1.2 and later are not exposed to this issue.
In this blog, we will discuss what is port-channel in the Cisco MDS switch. Along with that, we will also talk about the F port Channel, what are the types of port-channel, Modes of port-channel.
Finally, we will see the commands for creating an F port channel between a Cisco MDS core switch and an NPV switch.
Port Channel is a logical aggregation of multiple FC ports that increases total bandwidth, provides load balancing, and link redundancy. A Port-channel can have ports from two different modules in the same SAN switch.
You cannot create a port-channel from two different switches. This is more clear in the below diagram.
The above diagram has two switch switch1 and switch2. There are three port-channels between the switches PortChannelA, PortChannelB, and PortChannelC.
PortChannelA contains an aggregation of ports from the same module of both switches. Meantime, PortChannelB has ports from two different modules.
Now in the case of PortChannelC, there are three ports from each switch. In switch1 two ports are from the same module but the third port is from a different module. In switch2 all three ports are from the same module.
The conclusion here is that you can select various port combinations in the same switch but you cannot select ports from different switches.What are the Types Of Port Channel
There are two types of port-channel E port-channel and F port channel. E Port Channel is a logical combination of Multiple E ports. E Ports connect two SAN Switches for ISL connectivity.
If we enable trunking then the port-channel then it becomes a TE port channel and the ISL link becomes EISL.
F Port Channel is a logical Combination of Multiple F ports that connects from one Switch (F) to NPV switch (NP) or FI interconnect.Modes Of Port Channel In Cisco MDS Switch
There are two types of Port Channel Mode one is ON and the other is ACTIVE. Both modes have a different purpose. Below are some basic differences between them. How To Configure F Port Channel In Cisco MDS Switch
This section will discuss how to create an F Port Channel between the Cisco MDS switch and NPV switch. Before we start we have to check a few things which are very important for port-channel configuration.
The first thing we need to make sure that Physical connection is present between switches.
Configuration of individual ports and port channel must be the same. Make sure configuration like speed, mode, rate mode, port VSAN, trunking mode and allowed VSAN for individual port and port-channel are the same.Steps and Commands To Create F Port ChannelStep 1. Enable F port trunking and channel protocol
Switch(config)# feature fport-channel-trunkStep 2. Enable NPIV on the MDS core switch:
Switch(config)# feature npivStep 3 Create PortChannel and Add FC Ports
This command creates a port-channel with name 1.
Switch(config)# interface port-channel 1
These commands ensure that the port-channel type is F port-channel
Switch(config-if)# switchport mode F
Below commands sets channel mode active. F port channel only supports ACTIVE port-channel mode hence it is important to set the channel mode as ACTIVE.
Switch(config-if)# channel mode active
Below Command disable the trunking in Port Channel
Switch(config-if)# switchport trunk mode off
The below command sets the rate mode of port-channel to shared.
Switch(config-if)# switchport rate-mode sharedSwitch(config-if)# exit
Till now we have completed creating an F port-channel in Core Switch whose number is 1. Now in the below steps, we will add ports to Port Channel 1.
Make a note that the configuration for Port Channel 1 and the interfaces must be the same.Step 4. Configure the PortChannel member interfaces
Below two commands select FC ports fc2/1 , fc2/2 and fc2/3 as port-channel members and then disable them
Switch(config)# interface fc2/1-3Switch(config-if)# shut
Below four commands will set the port mode as F, disables the trunking, set the speed as 4000 and the rate mode as shared.
switch(config-if)# switchport mode Fswitch(config-if)# switchport trunk mode off
switch(config-if)# switchport speed 4000switch(config-if)# switchport rate-mode shared
Below commands is for adding the interfaces to the port-channel. In this case ports fc2/1, fc2/2 and fc2/3 are added to Port Channel 1. The second command will disable all ports.
switch(config-if)# channel-group 1switch(config-if)# no shut
So far we have completed the port-channel configuration in Core switch. Now we have to repeat the same steps to configure F Port-channel an NPV switch. Step 5. Create the PortChannel In NPV switch
eswitch(config)# interface port-channel 1eswitch(config-if)# switchport mode NPeswitch(config-if)# switchport rate-mode shared
Now we have to configure the individual ports and add them To Port Channel 1 in NPV switch. Step 6. Configure the PortChannel interfaces In NPV switch
eswitch(config)# interface fc2/1-3eswitch(config-if)# shut
The above command will shut down all the ports that fc2/1, fc2/2, and fc2/3.
eswitch(config-if)# switchport mode NPeswitch(config-if)# switchport speed 4000eswitch(config-if)# switchport rate-mode sharedeswitch(config-if)# switchport trunk mode offeswitch(config-if)# channel-group 1
Finally, you can enable all ports using the below command.
eswitch(config-if)# no shut
The final step is to disable and enable all interfaces from both Core switch and NPV switch. Step 7. Set admin State of PortChannel Ports of NPIV and NPV switch to ON
Disable and enables interfaces in Core switch.
Switch(config)# interface fc1/1-3Switch(config-if)# shutSwitch(config-if)# no shut
Disable and enables interfaces in NPV Switch.
eswitch(config)# interface fc2/1-3eswitch(config-if)# shut
Last, enable all the ports.
eswitch(config-if)# no shut
This completes the F port-channel configuration between the Cisco MDS and an NPV switch. I hope you have like this. Watch below YouTube for more details. Feel free comment on this topic and Subscribe For more such videos Timezone and NTP configuration of a Cisco MDS switch
Using a GUI for configuring purposes isn’t always the best thing to do, although it most certainly provides a level of overview that cannot be obtained on the CLI.
I’ve found out the Device Manager default settings for NTP for example are that IPv4 addresses used to point to an NTP entity is set to “peer” and if you don’t use peer synchronization, but have a dedicated NTP server instead, it’s better to place a check mark on the “server” item. Also if you have several time sources, you can set a preferred one by placing a check mark at the particular entity.
But just setting the NTP entities is one thing, you also want the logs to display the right timezone. I found the GUI way of doing things for managing the NTP entities the easiest and most reliable way, since you can also easily delete obsolete lines. To adjust a switch’s timezone configuration, I like to use the CLI.
Using your favorite telnet / SSH tool (I use PUTTY) you can adjust the NTP settings I just described as well, it’s just that deleting obsolete lines can be tricky, but can be done as well on the CLI.
After logging in, you need to enter the configuration mode by typing “config terminal”, or simply “conf t”.Cisco San Switch
The following two commands are used to set the timezone of a switch to Central European Time (CET) as well as naming the Daylight Savings time to CEST (Central European Summer time) and pointing out that the adjustments need to be done on the last Sunday of March at 2AM as well as the last Sunday of October at 3AM and adjusting the time by 60 minutes.
clock timezone CET 1 0clock summer-time CEST 5 Sun Mar 02:00 5 Sun Oct 03:00 60Cisco Mds Switch Simulator Cisco
the NTP entries I did in the GUI can also be set on the CLI by typing:
ntp server 172.16.21.83 preferntp server 192.168.17.5Cisco Mds 9000 Simulator
Now exit the config mode and save the configuration by entering “copy run start” (or “copy r s”).Cisco Mds Simulator
Exit the CLI and you’re good to go!
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