SwOS/CSS326

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Summary

SwOS is an operating system designed specifically for administration of MikroTik switch products.

SwOS is configurable from your web browser. It gives you all the basic functionality for a managed switch, plus more: allows to manage port-to-port forwarding, broadcast storm control, apply MAC filter, configure VLANs, mirror traffic, apply bandwidth limitation and even adjust some MAC and IP header fields.

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Warning: Each RouterBoard switch series device has its own firmware which cannot be installed on other series models! CSS326-24G-2S+ supports SwOS v2.0 and newer.


Connecting to the Switch

Open your web browser and enter IP address of your Switch (192.168.88.1 by default) and login screen will appear.

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CSS326-24G-2S+ SwOS Login

SwOS default IP address: 192.168.88.1, user name: admin and there is no password.

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Note: MikroTik Neighbor Discovery protocol tools can be used to discover IP address of Mikrotik switch. Manual:IP/Neighbor_discovery


Interface Overview

CSS326-24G-2S+ SwOS interface menu consists of multiple tabs: Link, SFP, SFP Status, Port Isolation, LAG, Forwarding, Stats, Errors, Histogram, VLAN, VLANs, Static Hosts, Hosts, SNMP, ACL, System and Upgrade.

Description of buttons in SwOS configuration tool:

  • Append - add new item to the end of the list
  • Apply All - applies current configuration changes
  • Cut - removes item from the list
  • Clear - resets properties of the item
  • Discard Changes - removes unsaved configuration
  • Insert - add new item to the list (places it before current item)
  • Sort - sort VLAN table by VLAN-IDs; sort host table by MAC addresses

  • Change Password - changes password of the switch
  • Logout - logout from current Switch
  • Reboot - reboot the switch
  • Reset Configuration - reset configuration back to factory defaults
  • Choose File - browse for upgrade or backup file
  • Upgrade - upgrade firmware of the Switch
  • Restore Backup - restore Switch using selected backup file
  • Save Backup - generate and download backup file from the Switch

System Tab

System Tab performs the following functions:

  • General information about Switch
  • Switch management
  • Configuration reset
  • Backup and restore configuration

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Note: SwOS uses a simple algorithm to ensure TCP/IP communication - it just replies to the same IP and MAC address packet came from. This way there is no need for Default Gateway on the device itself.


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CSS326-24G-2S+ General Settings


Property Description
IP AddressIP address of the switch
IdentityName of the switch (for Mikrotik Neighbor Discovery protocol)
Allow FromIP address from which the switch is accessible. Default value is '0.0.0.0/0' - any address
Allow From PortsList of switch ports from which it is accessible
Allow From VLANVLAN ID from which the switch is accessible (VLAN Mode on ingress port must be other than disabled in order to connect)
WatchdogEnable or disable system Watchdog. It will reset CPU of the switch in case of fault condition
Independent VLAN LookupEnable or disable independent VLAN lookup in the Host table for packet forwarding
Mikrotik Discovery ProtocolEnable or disable Mikrotik Neighbor Discovery protocol
MAC AddressMAC address of the switch (Read-only)
Serial NumberSerial number of the switch (Read-only)
Board NameMikroTik model name of the switch (Read-only)
UptimeCurrent switch uptime (Read-only)

Health and Global RSTP


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CSS326-24G-2S+ Health and Global RSTP Settings


Property Description
TemperatureShows PCB temperature in celsius temperature scale
Property Description
Bridge Priority (hex)RSTP bridge priority for Root Bridge selection
Port Cost ModeThere are two methods for automatically detecting RSTP port cost depending on link speed.

short: 10G - 2; 1G - 4; 100M - 10; 10M - 100

long: 10G - 2000; 1G - 20000; 100M - 200000; 10M - 2000000
Root BridgeThe priority and MAC address of the selected Root Bridge in the network (Read-only)

Password and Backup


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CSS326-24G-2S+ System Management Settings