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C1300 LAG limitation

ppnlr
Level 1
Level 1

We have 9500 core switch and sets c1300 switches. We need to create 10 Portchannel groups for uplink to core. No problem on the core but in c1300 we can only set channel id up to 8, is there a way to create channel groups on c1300 beyond 8 groups?

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Accepted Solutions

@ppnlr 

 Let´s just clarify something. Will be the C1300 holding 10 port-channel each or do you have let´s say 10 C1300 and will connect all of them to the 9500 but with one port-channel each?

 If you are planning to add 10 port-channel to the 1300 it would be very weid situation, I dont believe you are going to need that.

Now, if you want to connect 10 1300 to one 9500 keep in mind that the port-channel number does not matter. You can, on the 9500 side create let´s say Po1, Po2, Po3...etc. And on the 1300 side you can create only the Po1 in all of them.

Hope that was clear. Basically, Port-channel numbers are only locally-significant 

 

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4 Replies 4

marce1000
VIP
VIP

 

 - Ref : https://www.cisco.com/c/en/us/td/docs/switches/campus-lan-switches-access/Catalyst-1200-and-1300-Switches/Admin-Guide/catalyst-1300-admin-guide/port-management.html
   >...Use the LACP page to configure the candidate ports for the LAG and to configure the LACP parameters per port. With all factors equal, when the LAG is configured with more candidate ports than the maximum number of active ports allowed (8), the device selects ports as active from the dynamic LAG on the device that has the highest priority.

M.



-- Each morning when I wake up and look into the mirror I always say ' Why am I so brilliant ? '
    When the mirror will then always repond to me with ' The only thing that exceeds your brilliance is your beauty! '

KJK99
Level 3
Level 3

Unfortunately, not. It is what it is. The C1300s are small business switches like the CBS350s.

Kris K

@ppnlr 

 Let´s just clarify something. Will be the C1300 holding 10 port-channel each or do you have let´s say 10 C1300 and will connect all of them to the 9500 but with one port-channel each?

 If you are planning to add 10 port-channel to the 1300 it would be very weid situation, I dont believe you are going to need that.

Now, if you want to connect 10 1300 to one 9500 keep in mind that the port-channel number does not matter. You can, on the 9500 side create let´s say Po1, Po2, Po3...etc. And on the 1300 side you can create only the Po1 in all of them.

Hope that was clear. Basically, Port-channel numbers are only locally-significant 

 

yes, we need 10 PC groups in 9500 for each of 10 C1300. we'll check on this. I believe we tried this but didn't work out. but we'll check again if we used dynamic LAG.

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