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Sakura_chan
8 Posts
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1211
December 20th, 2022 01:00
cofiguring LACP on switch s5248f
I have confiugured my 4 interfaces on LACP and addes VLAN so that i can communicate between my two servers but i have the error that tells that the line protocol is down .
the model is : 2 servers connected to the same switch and each server has an aggregation with two ethernet cable (25G)
#show port-channel summary
Flags: D - Down I - member up but inactive P - member up and active
U - Up (port-channel) F - Fallback Activated IND - LACP Individual
--------------------------------------------------------------------------------
Group Port-Channel Type Protocol Member Ports
--------------------------------------------------------------------------------
11 port-channel11 (D) Eth DYNAMIC 1/1/10(I) 1/1/11(I)
12 port-channel12 (D) Eth DYNAMIC 1/1/12(I) 1/1/13(I)
the configuration is : [i have the two ports (11 and 10 linked to the first server and the 12 and 13 ports linked to the second server)]
swfrd(config)# interface port-channel 11
swfrd(conf-if-po-11)# show configuration
!
interface port-channel11
no shutdown
switchport mode trunk
switchport access vlan 1
switchport trunk allowed vlan 10
(config)# interface ethernet 1/1/11
swfrd(conf-if-eth1/1/11)# show configuration
!
interface ethernet1/1/11
no shutdown
channel-group 11 mode active
no switchport
flowcontrol receive off
and the same configuration for the other ports
341
0
Posted December 20th, 2022 07:00
doesn't work
317
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Posted December 22nd, 2022 05:00
Have you enabled LACP on the servers? there are different modes of LAG, on windows servers there are Static, switch independent and LACP
276
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Posted December 27th, 2022 01:00
The configuration of the 2 servers ,.
Now i have the ping between the 2 servers and I can test iperf3 . I just want to understand why when I put the two interfaces into the active and passive mode, I see that the two cables pass the network, I thought that the passive mode in the 2 interface is just like a stand by in case the first cable is down it doesn't send any packets.
Is my configuration on the switch correct ? Am I missing any command?
DELL-Erman O
Moderator
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2984 Posts
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Posted December 20th, 2022 06:00
Hi, I believe Virtual Link Trunking can be helpful. Please check VLT
Dell EMC Networking OS10 How to set up Virtual Link Trunking (VLT) https://dell.to/3WvK3Cj
Configure VLT page 1622 https://dell.to/3Wtwfbw
Dell EMC Virtual Link Trunking Layer 2 Reference Architecture https://dell.to/3WyDsaa
Hope that helps!
DELL-Erman O
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Dell Technologies | Enterprise Support Services
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