SwOS/CSS326: Difference between revisions
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===VLAN Configuration Example===
===VLAN Configuration Example===
[http://wiki.mikrotik.com/wiki/SWOS/CSS326-VLAN-Example '''Port based VLAN configuration with CSS326-24G-2S+'''] <br />
[http://wiki.mikrotik.com/wiki/SWOS/CSS326-VLAN-Example '''Port based VLAN configuration with CSS326-24G-2S+''']<br />
Revision as of 14:25, 19 April 2017
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.
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.
SwOS default IP address: 192.168.88.1, user name: admin and there is no password.
Note: MikroTik Neighbor Discovery protocol tools can be used to discover IP address of Mikrotik switch. Manual:IP/Neighbor_discovery
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 performs the following functions:
- General information about Switch
- Switch management
- Configuration reset
- Backup and restore configuration
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.
|IP Address||IP address of the switch|
|Identity||Name of the switch (for Mikrotik Neighbor Discovery protocol)|
|Allow From||IP address from which the switch is accessible. Default value is '0.0.0.0/0' - any address|
|Allow From Ports||List of switch ports from which it is accessible|
|Allow From VLAN||VLAN ID from which the switch is accessible (VLAN Mode on ingress port must be other than
|Watchdog||Enable or disable system Watchdog. It will reset CPU of the switch in case of fault condition|
|Independent VLAN Lookup||Enable or disable independent VLAN lookup in the Host table for packet forwarding|
|Mikrotik Discovery Protocol||Enable or disable Mikrotik Neighbor Discovery protocol|
|MAC Address||MAC address of the switch (Read-only)|
|Serial Number||Serial number of the switch (Read-only)|
|Board Name||MikroTik model name of the switch (Read-only)|
|Uptime||Current switch uptime (Read-only)|
Health and Global RSTP
|Temperature||Shows PCB temperature in celsius temperature scale (Read-only)|
|Bridge Priority (hex)||RSTP bridge priority for Root Bridge selection|
|Port Cost Mode||There are two methods for automatically detecting RSTP port cost depending on link speed.
|Root Bridge||The priority and MAC address of the selected Root Bridge in the network (Read-only)|
Password and Backup
Link Tab allows you to:
- Configure Ethernet and SFP+ ports
- Monitor link status of Ethernet and SFP+ ports
|Enabled||Enable or disable port|
|Name||Editable port name|
|Link Status||Current link status (Read-only)|
|Auto Negotiation||Enable or disable auto negotiation|
|Speed||Specify speed setting of the port (requires auto negotiation to be disabled)|
|Full Duplex||Specify duplex mode of the port (requires auto negotiation to be disabled)|
|Flow control||Enable or disable 802.3x Flow control|
SFP and SFP Status
SFP and SFP Status Tabs allow you to monitor status of SFP modules.
Port Isolation table allows or restricts traffic forwarding between specific ports.
CSS326-24G-2S+ supports 802.3ad (LACP) compatible link aggregation as well as static link aggregation to ensure failover and load balancing based on Layer2 and Layer3 hashing.
Up to 16 link aggregation groups with up to 8 ports per a group are supported.
Forwarding Tab provides advanced forwarding options among switch ports, port locking, port mirroring, bandwidth limit and broadcast storm control features.
|Broadcast Storm Control||
Per port RSTP configuration and monitoring is available in the RSTP menu.
Stats, Errors and Histogram
These menus provide detailed information about received and transmitted packets.
VLAN and VLANs
VLAN configuration for switch ports.
VLAN membership configuration for switch ports.
VLAN Configuration Example
Port based VLAN configuration with CSS326-24G-2S+
Static host table entries. Static entries will take over dynamic if dynamic entry with same mac-address already exists. Also by adding a static entry you get access to some more functionality.
This table represents dynamically learnt MAC address to port mapping entries. When Switch receives a packet from certain port, it adds the packets source MAC address and port it received the packet from to host table, so when a packet comes in with certain destination MAC address it knows to which port it should forward the packet. If the destination MAC address is not present in host table then it forwards the packet to all ports in the group. Dynamic entries take about 5 minutes to time out. CSS326-24G-2S+ supports 16383 host table entries.