Service Manual

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Syslog Warning Upon Connecting SFP28 Optics with
QSA
When you connect the SFP28 optics with the QSA, the system displays the following syslog warning:
For Dell-qualified SFP28 optics:
Aug 5 01:14:55 %S6100-ON:1 %IFAGT-5-INSERT_OPTICS_SFP28: Optics SFP28 inserted in stack-
unit 1 module 2 port 2/1. Wrong QSA in use. Please utilize QSA28, not lower speed QSA to
guarantee support and performance for 25G Optics and cables
For non Dell-qualified SFP28 optics:
Aug 8 20:31:56 % S6100-ON:1 %IFAGT-5-UNSUP_OPTICS: Non-qualified optics in stack-unit 1
module 2 port 2/1. Wrong QSA in use. Please utilize QSA28, not lower speed QSA to
guarantee support and performance for 25G Optics and cables
Adjusting the Keepalive Timer
To change the time interval between keepalive messages on the interfaces, use the keepalive command. The interface sends
keepalive messages to itself to test network connectivity on the interface.
To change the default time interval between keepalive messages, use the following command.
● Change the default interval between keepalive messages.
INTERFACE mode
keepalive [seconds]
● View the new setting.
INTERFACE mode
show config
View Advanced Interface Information
The following options have been implemented for the show [ip | running-config] interfaces commands for (only)
stack-unit interfaces.
When you use the configured keyword, only interfaces that have non-default configurations are displayed. Dummy stack-unit
interfaces (created with the stack-unit command) are treated like any other physical interface.
The following example lists the possible show commands that have the configured keyword available:
DellEMC#show interfaces configured
DellEMC#show interfaces stack-unit 1 configured
DellEMC#show interfaces tengigabitEthernet 1 configured
DellEMC#show interfaces fortyGigE 1 configured
DellEMC#show ip interface configured
DellEMC#show ip interface stack-unit 1 configured
DellEMC#show ip interface tengigabitEthernet 1 configured
DellEMC#show ip interface hundredGigE 1 configured
DellEMC#show ip interface br configured
DellEMC#show ip interface br stack-unit 1 configured
DellEMC#show ip interface br tengigabitEthernet 1 configured
DellEMC#show running-config interfaces configured
DellEMC#show running-config interface tengigabitEthernet 1 configured
DellEMC#show running-config interface twentyfivegigabitethernet 1 configured
Interfaces
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