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January 20th, 2025 07:12

ssh connection between s3048 and s5248f

Hi, I am struggling with setting up a base for storage cluster. I have two s5248 that are connected to ten R750. I want to connect to those s5248 switches from s3048 through ssh.

Trying to configure the 2 ports tengigabitethernet 1/49 and 1/51 on s3048 so I can run ssh with each s5248f, but I can not get my head arround it as the syntax is not really crystal clear when studying the Dell manuals.

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2.8K Posts

January 20th, 2025 11:43

Hi,

Could you check below article please to enable/disable Telnet/SSH

 

Prerequisite

This article assumes the user has reach ability to the IP address of the switch.

Telnet

SLN318880_en_US__1icon By default Telnet server is disabled in OS10 switches.

Configuration Syntax

Command

Explanation

OS10#configure terminal

To enter into switch configuration mode

OS10(config)# ip telnet server enable

Enable Telnet server

OS10(config)# no ip telnet server enable

Disable Telnet Server

SSH

SLN318880_en_US__1icon By default SSH server is enabled in OS10 switches.

Configuration Syntax

Command

Explanation

OS10#configure terminal

To enter into switch configuration mode

OS10(config)# ip ssh server enable

Enable SSH server

OS10(config)# no ip ssh server enable

Disable SSH Server

Sample Configuration

1> Telnet
OS10# configure terminal
OS10(config)# ip telnet server enable
 

2> SSH
OS10# configure terminal
OS10(config)# ip ssh server enable


To verify if a user is logged in using ssh or telnet protocol use below command

We can see the protocol  inside square bracket

OS10# show users
Index  Line    User           Role         Application    Idle     Login-Time                   Location
----- ------   ------------  -------      -------------   -----   --------------------------  ---------------------
1     ttyS0    admin          sysadmin    clish           0s       2019-10-01    XXX:XX:XXX   console
2     pts/0    admin          sysadmin    clish           00:01    2019-10-01    XXX:XX:XXX   50.0.0.2 [telnet]
3     pts/1    admin          sysadmin    bash            14.7s    2019-10-01    XXX:XX:XXX   50.0.0. [ssh]

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January 20th, 2025 11:49

Hi, as you staded ssh is enabled by default and I am able to connect from ubuntu to s3048 but then I need to set up bothe s3048 and my two s5248f switches so once I have logged in to s3048 I can reach also s5248f switches, you kind of jump?

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11 Posts

January 20th, 2025 11:53

I can provide the configs of both s3048 and s5248f

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2.8K Posts

January 20th, 2025 14:20

Unfortunately I can't help with configuration. But I researched a bit and might be helpful for you below sample:

S3048 CLI:

configure terminal
  • For example port 1/49:
    interface tengigabitethernet 1/49
    no shutdown

     

  • For example port 1/51:
    interface tengigabitethernet 1/51
    no shutdown
  • Assign IP addresses to the interfaces to ensure they are on the same subnet as the S5248F switches:
    interface tengigabitethernet 1/49
    ip address <IP_Address_1> <Subnet_Mask>
    no shutdown
    exit
    interface tengigabitethernet 1/51
    ip address <IP_Address_2> <Subnet_Mask>
    no shutdown
    exit

    S5248F CLI:

configure terminal
Assign IP addresses to the interfaces connected to the S3048
interface ethernet 1/1/49
ip address <IP_Address_3> <Subnet_Mask>
no shutdown
exit
interface ethernet 1/1/51
ip address <IP_Address_4> <Subnet_Mask>
no shutdown
exit

Enable SSH on S3048

configure terminal
ip ssh server enable
configure terminal
ip ssh server enable
  • From the S3048, ping the IP addresses of the S5248F switches to ensure connectivity:
    ping <IP_Address_3>
    ping <IP_Address_4>

     

  • From the S3048, initiate an SSH connection to the S5248F switches:

    ssh admin@<IP_Address_3>
    ssh admin@<IP_Address_4>

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11 Posts

January 21st, 2025 08:08

Hi, all that is done but I still can not ping or ssh from s3048 to any of s5248f switches.

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11 Posts

January 21st, 2025 09:58

i am rechecking my config I think it is wrong, so let me come back after this...

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11 Posts

January 21st, 2025 10:01

...but well the config seams okay after all, so I would appreciate to get in contact with somebody fluent in s3048 and s5248f configuration

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11 Posts

January 21st, 2025 11:33

I made a change, I saw that it is easier and more stright forward to access ssh port from s3048 to s5248f through management interface on s5248f, I configured that interface as follows:

on s3048:

interface GigabitEthernet 1/47
 ip address 10.10.10.10/24
 no shutdown

on s5248f:

interface mgmt1/1/1
 no shutdown
 no ip address dhcp
 ip address 10.10.10.11/24
 ipv6 address autoconfig

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11 Posts

January 21st, 2025 11:35

but I would still like to understand how to get the ssh connection working with the interface tengigabitethernet or gigabitethernet and vlan?

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