The Linksys, or Cisco as it is now branded, SLM2008 is a fantastic little Layer 2, 8 port gigabit smart switch which is ideal for a home or work lab environment. I have been using mine for the last 18 months with my VMware vSphere lab without issue.
The original versions of this switch (ie: >12 months or so ago) are still branded as Linksys and are running an earlier version of the firmware, v1.0.1. Cisco have since rebranded the switch entirely to Cisco and have released it with an updated version 2.0 of the firmware. At the time of writing the latest version of the firmware was v126.96.36.199 and can be downloaded from Cisco’s website here.
I have had a few queries over the last few months as to whether it is possible to upgrade one of these older Linksys branded SLM2008 switches to v188.8.131.52. The good news is that it does work and to test it I upgraded one of my SLM2008 switches. To demonstrate I took a number of screen shots outlining the upgrade process.
Before you proceed I should point out that it this firmware update resets all your settings, including the default IP address of the switch so you may want to save your settings first.
As you can see my SLM2008 was originally running v1.0.1.
Next, after selecting the ‘Admin’ section select the firmware update that you downloaded from the Cisco site.
After pressing ‘Proceed’ it won’t appear that much is happening. Don’t be fooled as it is upgrading in the background, it’s just not very clear…
Once it has completed it will ask you to select another page whilst the system reboots. If you had changed the default IP address (ie: 192.168.1.254) then be aware that this firmware update reverts it back to the factory settings.
After putting going to log back into the switch the first thing you’ll notice is the new Cisco branded logon interface.
As mentioned above, it is at this point that the firmware update resets all your settings, including the default IP address of the switch. This also includes the user name and password. To save you looking them up again here are the default IP and username and password settings for the SLM2008:
User Name: admin
The switch, as you can see below, is now running firmware version v184.108.40.206.
The following is a copy of the updates and fixes to this (v220.127.116.11) firmware revision since v1.0.1.
Changes Since Cisco SLM2008 8-Port Gigabit Smart Switch
with PD and AC Power Firmware Version 1.0.1
Device web user interface was updated and problems were fixed.
The switch’s web-based configuration utility now reflects the Cisco Small
The following problems were fixed in firmware version 18.104.22.168:
• Web browser availability. Firmware upgrade notice for Mozilla Firefox users
• When upgrading firmware using the Firefox browser, user has to click the
Proceed button twice to see the progress bar.
• If the administrator closes the web browser directly and does not click Log
Out. the switch cannot be managed by a different management IP address
until the web admin session times out.
• The default timeout period is 300 seconds or when the administrator
accesses the utility and clicks Log Out. Until the web session times out, the
administrator can directly access the switch (without going through the
login process) when opening a new web session using the same
management IP address and log out has not occurred from the previous
session. This issue is resolved for the Microsoft Internet Explorer browser and does
not include a resolution for Mozilla Firefox.
• STP Bridge ID value not correct.
• Firmware version 1.0.1 adds a VLAN ID value to the Bridge ID and does not
follow the STP standards. Resolution: Removed VLAN ID from Bridge ID in this firmware version.
If you’re not too worried about the any of the changes/fixes outlined above then there isn’t really a compelling reason why you’d want to upgrade, though if you’re like me you may just want to stay up to date with the latest version and in case Cisco have sneaked in any ‘undocumented’ fixes.