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December 2nd, 2020 13:00

S5248F-ON Link to servers not working.

We have a pair of Dell S5348F-ON switches that we are going to use to connect a new Dell storage server. We are having trouble bringing up any of the links and believe it may related to the speed of the link. Currently the switch ports are defaulting to 25Gib and the storage server's SFP+ ports max out at 10Gib. When trying to manually set the speed on the switch ports to 10Gib we receive an error. See the console output below.

Here is the interface information:

OS10# show interface ethernet 1/1/48
Ethernet 1/1/48 is up, line protocol is down
Hardware is Eth, address is 8c:04:ba:a9:aa:f0
Current address is 8c:04:ba:a9:aa:f0
Pluggable media present, SFP+ type is SFP+ 10GBASE-CR-2.0M
Wavelength is 256
Interface index is 61
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 on
Configured FEC is off, Negotiated FEC is off
Flowcontrol rx on tx off
ARP type: ARPA, ARP Timeout: 60
Last clearing of "show interface" counters: 23:37:40
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: 23:37:41

Here is the output when trying to set the speed.

OS10(config)# interface range ethernet 1/1/45-1/1/48

OS10(conf-range-eth1/1/45-1/1/48)# speed
10 Set speed to 10 Mbps
100 Set speed to 100 Mbps
1000 Set speed to 1000 Mbps
10000 Set speed to 10000 Mbps
25000 Set speed to 25000 Mbps
40000 Set speed to 40000 Mbps
50000 Set speed to 50000 Mbps
100000 Set speed to 100000 Mbps
auto Automatic Settings (default)

OS10(conf-range-eth1/1/45-1/1/48)# speed 10000
% Error: Speed 10000 not supported on interface ethernet1/1/45.

When trying to do an individual interface we get:

OS10(config)# interface ethernet 1/1/48
OS10(conf-if-eth1/1/48)# speed 10000
% Error: Illegal parameter.

Any ideas would be helpful.

Thanks!

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December 2nd, 2020 14:00

You'll want to look into "port-group" functionality:

https://www.dell.com/support/manuals/en-us/networking-z9100/smartfabric-os-user-guide-10-5-0/port-groups-on-s5200f-on-switches?guid=guid-1a9f6680-ab7e-4cfa-9c94-96cf3b436f8c&lang=en-us 

 

You can set a group of ports to behave as 10g.  Example:

port-group 1/1/11
 mode Eth 10g-4x

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December 2nd, 2020 14:00

This is exactly what i needed. You're the man!

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