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March 23rd, 2023 01:00
1000BASE-T SFP's in an S5224F-ON
I have a couple of S5224F-ON switches, and a box load of 1Gbps SFP's, but i cant seem to make them work.
A show int clearly shows the switch can see the SFP's, but i havent been able to get the connected servers to get an up link to them. The literature for the S5224F-ON lists it can run its ports at 25G and 10G, but it doesnt specifically mention 1G. I know the speed for ports has to be set through the port-group, but when i try to do that, it only lists 25g-4x and 10g-4x. There is no 1g option.
Show interface output:
PER1-SWI-01# show interface ethernet 1/1/24
Ethernet 1/1/24 is up, line protocol is down
Hardware is Eth, address is c4:5a:b1:0a:98:1d
Current address is c4:5a:b1:0a:98:1d
Pluggable media present, SFP type is SFP 1000BASE-T
Wavelength is 0
Interface index is 37
Internet address is not set
Mode of IPv4 Address Assignment: not set
Interface IPv6 oper status: Disabled
MTU 1532 bytes, IP MTU 1500 bytes
LineSpeed 0, Auto-Negotiation off
Configured FEC is off, Negotiated FEC is off
Flowcontrol rx off tx off
ARP type: ARPA, ARP Timeout: 60
Last clearing of "show interface" counters: 00:31:38
Queuing strategy: fifo
Input statistics:
0 packets, 0 octets
0 64-byte pkts, 0 over 64-byte pkts, 0 over 127-byte pkts
0 over 255-byte pkts, 0 over 511-byte pkts, 0 over 1023-byte pkts
0 Multicasts, 0 Broadcasts, 0 Unicasts
0 runts, 0 giants, 0 throttles
0 CRC, 0 overrun, 0 discarded
Output statistics:
0 packets, 0 octets
0 64-byte pkts, 0 over 64-byte pkts, 0 over 127-byte pkts
0 over 255-byte pkts, 0 over 511-byte pkts, 0 over 1023-byte pkts
0 Multicasts, 0 Broadcasts, 0 Unicasts
0 throttles, 0 discarded, 0 Collisions, wred drops
Rate Info(interval 30 seconds):
Input 0 Mbits/sec, 0 packets/sec, 0% of line rate
Output 0 Mbits/sec, 0 packets/sec, 0% of line rate
Time since last interface status change: 00:31:39
Here you can see when trying to configure the port group, it only shows 25g and 10g:
PER1-SWI-01(conf-pg-1/1/6)# show configuration
!
port-group 1/1/6
mode Eth 25g-4x
PER1-SWI-01(conf-pg-1/1/6)# mode eth
25g-4x Breakout to 4 25G interfaces
10g-4x Breakout to 4 10G interfaces
The SFP is a Dell SFP-1G-T-WP, which does list the S5224F-ON as being compatible.
What am i missing?
Thanks
DELL-Erman O
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March 23rd, 2023 06:00
Hi, as you stated, 1G is not specifically mentioned. https://dell.to/40uKija
Take a look at the port groups here https://dell.to/42DgjYi;
and you can check this thread "The switch auto-negotiates to 1GbE when the laptop is connected." Solved: DELL S5248F-ON - Dell Community
JaBobJa
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March 23rd, 2023 18:00
Thankyou. Yes have confirmed that setting the port to 10G does let it work at 1G.
Thanks
ciscen
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April 22nd, 2023 17:00
Hi Erman,
Does 25GbE port on S52xx auto-negotiate/auto-sense with a 10GbE device connection? If it is then can we use a mixed-speed connection within the same port-group?
Thanks,
DELL-Erman O
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April 24th, 2023 00:00
Hi, I researched but I couldn't find information about that. As I know auto-negotiation is not available on 10G fiber or higher speeds ports and the S5224F-ON does not support mixed-speed connections within the same port-group.
But I'm not sure if there is a way to do it somehow. Let's see how the community will contribute.