Higher Availability with "hot standby" / "cold-standby" with Cisco SG250-26 (26 Port gigabit smart switch)

[m.kiedrowski1]

Hello,
we have been using cisco sg250-26 for couple of months now. We have just bought another SG250-26 Switch for high-availability. I was told that there are 2 possible ways to achive high-abailability: hot standby and cold-standby..
Do you guys have a manual or something similiar that describes how to run hot standby or cold-standby with SG250-26 Switches?

Thanks in advance

Martin K.

[balaji.bandi]

Look at the admin guide for Stacking :

https://www.cisco.com/c/dam/en/us/td/docs/switches/lan/csbss/sf_sg250/admin_guide/AG_Tesla_250.pdf

[m.kiedrowski1]

Hi, there is no "stacking" described in the manual you provided.

[balaji.bandi]

Appologies, I have looked this mode, does not support Stacking feature.

Only 350 / 550 support Stacking..

[Reza Sharifi]

Hi,

For these type of switches, there is no "hot standby and cold-standby".  Here are the options for stacking configuration

A stack is composed of switches that has three roles:

• Master — This switch is the commander of the whole stack. It handles all the configuration and other functions of the whole stack. Each time you need to change or configure any of the settings, you must do it on this switch.
• Backup — This switch is like a standby switch in case the master goes offline. It automatically assumes the responsibility and become the master switch.
• Slave — This switch serves as a member of the stack and operates as an additional unit within the stack. 
• link to the document
• https://www.cisco.com/c/en/us/support/docs/smb/switches/cisco-250-series-smart-switches/smb5811-cannot-add-a-new-switch-to-an-existing-stack.html
• HTH