SwOS/CSS610: Difference between revisions

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{{Warning|This manual is moved to https://help.mikrotik.com/docs/display/SWOS/CSS610+series+Manual}}
==Summary==
==Summary==
<p>
<p>
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CSS610 series switches support only SwOS Lite operating system.
CSS610 series switches support only SwOS Lite operating system.


The main difference compared to CSS3xx series switches are:
The main differences compared to CSS3xx series switches are:
* unsupported Independent VLAN Learning;
* unsupported Independent VLAN Learning;
* unsupported VLAN mode "enabled";
* unsupported VLAN mode "enabled";
* unsupported ACL Rate limiting;
* unsupported ACL Rate limiting;
* supported Port Egress Rate limiting;
* supported Port Egress Rate limiting




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


[[File:swos_login_css326.png|center|alt=Alt text|SwOS Login|frame]]
[[File:swos_login_css610.png|center|alt=Alt text|SwOS Login|frame]]


<p>SwOS default <i>IP address:</i> <b>192.168.88.1</b>, <i>user name:</i> <b>admin</b> and there is no password.  
<p>SwOS default <i>IP address:</i> <b>192.168.88.1</b>, <i>user name:</i> <b>admin</b> and there is no password.  
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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.}}
{{ 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.}}


[[File:swos_system_css326.png|alt=Alt text|General Settings|center|frame]]
[[File:swos_system_css610.png|alt=Alt text|General Settings|center|frame]]
<br/>
<br/>
<table class="styled_table" >
<table class="styled_table" >
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===DHCP & PPPoE Snooping===
===DHCP & PPPoE Snooping===


[[File:CSS326_DHCPSnooping.png|alt=Alt text|DHCP & PPPoE snooping settings|center|frame]]
[[File:CSS610_DHCPSnooping.png|alt=Alt text|DHCP & PPPoE snooping settings|center|frame]]
<br>
<br>


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==LAG==
==LAG==
<p>IEEE 802.3ad (LACP) compatible link aggregation is supported, as well as static link aggregation to ensure failover and load balancing based on Layer2 and Layer3 hashing.</p>
<p>IEEE 802.3ad (LACP) compatible link aggregation is supported, as well as static link aggregation to ensure failover and load balancing is based only on Layer2 hashing.</p>
<p>Up to 16 link aggregation groups with up to 8 ports per a group are supported.</p>
<p>Up to 16 link aggregation groups with up to 8 ports per a group are supported.</p>
[[File:swos_lag_css326.png|alt=Alt text|LAG Tab|center|frame]]
[[File:swos_lag_css326.png|alt=Alt text|LAG Tab|center|frame]]
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==Forwarding==
==Forwarding==
<p>Forwarding Tab provides advanced forwarding options among switch ports, port locking, port mirroring, bandwidth limit and broadcast storm control features.</p>
<p>Forwarding Tab provides advanced forwarding options among switch ports, port locking, port mirroring, bandwidth limit and broadcast storm control features.</p>
[[File:swos_forw_css326.png|center|alt=Alt text|Forwarding Settings|center|frame]]
[[File:swos_forw_css610.png|center|alt=Alt text|Forwarding Settings|center|frame]]
<br/>
<br/>
<table class="styled_table" >
<table class="styled_table" >
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<tr>
<tr>
     <td><b>Port Lock</b></td><td>
     <td><b>Port Lock</b></td><td>
* <code><b>Port Lock</b></code> - Enables or disables MAC address learning on this port. When option is enabled, it will restrict MAC address learning and static MAC addresses should be configured. Any received frames with unknown source MAC address will be dropped
* <code><b>Port Lock</b></code> - Enables or disables MAC address learning on this port. When the option is enabled, it will restrict MAC address learning and static MAC addresses should be configured. Any received frames with unknown source MAC address will be dropped
* <code><b>Lock On First</b></code> - Allows to learn source MAC address from the first received frame, this property should be used together with <code><b>Port Lock</b></code>. Learning of the first MAC address will reset every time an interface status changes</td>
* <code><b>Lock On First</b></code> - Allows to learn source MAC address from the first received frame, this property should be used together with <code><b>Port Lock</b></code>. Learning of the first MAC address will reset every time an interface status changes</td>
</tr>
</tr>
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<tr>
<tr>
     <td><b>Broadcast Storm Control</b></td><td>
     <td><b>Broadcast Storm Control</b></td><td>
* <code><b>Storm Rate (%)</b></code> -  Limit the number of broadcast packets transmitted by an interface. The rate is measured in percents of the link speed.
* <code><b>Storm Rate</b></code> -  Limit the number of broadcast packets transmitted by an interface. The rate is measured in bits per second (bps).
 
* <code><b>Include Unknown Unicast</b></code> - Include unicast packets without an entry in host table in <code>Storm Rate</code> limitation
* <code><b>Include Unknown Unicast</b></code> - Include unicast packets without an entry in host table in <code>Storm Rate</code> limitation</td>
* <code><b>Flood Unknown Multicast</b></code> - Flood multicast packets without an entry in igmp multicast registration table</td>
</tr>
</tr>
<tr>
<tr>
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</tr>
</tr>
</table>
</table>
{{ Note | It is possible to limit ingress/egress traffic per port basis. The policer is used for ingress traffic, the shaper is used for egress traffic. The ingress policer controls the received traffic with packet drops. Everything that exceeds the defined limit will get dropped. This can affect the TCP congestion control mechanism on end hosts and achieved bandwidth can be actually less than defined. The egress shaper tries to queue packets that exceed the limit instead of dropping them. Eventually, it will also drop packets when the output queue gets full, however, it should allow utilizing the defined throughput better.}}


==RSTP==
==RSTP==
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<p>VLAN configuration for switch ports.</p>
<p>VLAN configuration for switch ports.</p>


[[File:swos_vlan_css326.png|center|alt=Alt text|Port VLAN Settings|center|frame]]
[[File:swos_vlan_css610.png|center|alt=Alt text|Port VLAN Settings|center|frame]]
<br>
<br>


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<br/>
<br/>
<p>VLAN membership configuration for switch ports.</p>
<p>VLAN membership configuration for switch ports.</p>
[[File:swos_vlans_css326.png|center|alt=Alt text|VLAN Table Settings|center|frame]]
[[File:swos_vlans_css610.png|center|alt=Alt text|VLAN Table Settings|center|frame]]
<br/>
<br/>


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==Hosts==
==Hosts==
<p>This table represents dynamically learnt MAC address to port mapping entries. It can contain two kinds of entries: dynamic and static. Dynamic entries get added automatically, this is also called a learning process: when switch receives a packet from certain port, it adds the packet's 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. CRS3xx devices supports 16383 host table entries.</p>
<p>This table represents dynamically learnt MAC address to port mapping entries. It can contain two kinds of entries: dynamic and static. Dynamic entries get added automatically, this is also called a learning process: when switch receives a packet from certain port, it adds the packet's 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. CSS610 devices supports 16383 host table entries.</p>
<p>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.</p>
<p>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.</p>


[[File:swos_shost_css326.png|center|alt=Alt text|Host Table|center|frame]]
[[File:swos_shost_css610.png|center|alt=Alt text|Host Table|center|frame]]
<br>
<br>


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</tr>
</tr>
<tr>
<tr>
     <td><b>Ports</b></td><td>Ports the packet should be forwarded to</td>
     <td><b>Port</b></td><td>Ports the packet should be forwarded to</td>
</tr>
</tr>
<tr>
<tr>
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==IGMP Snooping==
==IGMP Snooping==


IGMP Snooping which controls multicast streams and prevents multicast flooding is implemented in SwOS starting from version 2.5. The feature allows a switch to listen in the IGMP conversation between hosts and routers.
IGMP Snooping controls multicast streams and prevents multicast flooding. The feature allows a switch to listen in the IGMP conversation between hosts and routers.


Enable this option under System tab.
Enable this option under System tab.
[[File:IGMP-snooping.png|alt=Alt text|IGMP Snooping under System tab|center|frame]]
[[File:css610_igmp_snooping.png|alt=Alt text|IGMP Snooping under System tab|center|frame]]
<br>
<br>


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It is possible to enable IGMP Snooping for a specific VLAN ID under VLANs menu.
It is possible to enable IGMP Snooping for a specific VLAN ID under VLANs menu.


[[File:IGMP-vlantab.png|alt=Alt text|IGMP Snooping VLANs settings|center|frame]]
[[File:css610_igmp_vlantab.png|alt=Alt text|IGMP Snooping VLANs settings|center|frame]]


==SNMP==
==SNMP==
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<p>An access control list (ACL) rule table is very powerful tool allowing wire speed packet filtering, forwarding and VLAN tagging based on L2,L3 protocol header field conditions. Each rule contains a conditions part and an action part.</p>
<p>An access control list (ACL) rule table is very powerful tool allowing wire speed packet filtering, forwarding and VLAN tagging based on L2,L3 protocol header field conditions. Each rule contains a conditions part and an action part.</p>


[[File:CRS326-ACL-table.png|frameless|border|upright=4.4|center|CSS326-24G-2S+ ACL table]]
[[File:CSS610-ACL-table.png|frameless|border|upright=4.4|center|CSS610 ACL table]]


<div style="clear:both"></div>
<div style="clear:both"></div>

Latest revision as of 15:57, 21 July 2021



Summary

SwOS Lite is an operating system designed specifically for administration of MikroTik CSS610 series switch products.

SwOS Lite 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.

CSS610 series switches support only SwOS Lite operating system.

The main differences compared to CSS3xx series switches are:

  • unsupported Independent VLAN Learning;
  • unsupported VLAN mode "enabled";
  • unsupported ACL Rate limiting;
  • supported Port Egress Rate limiting


Warning: Each RouterBoard switch series device has its own firmware which cannot be installed on other series models!

  • CSS610-1Gi-7R-2S+ supports SwOS Lite v2.12 and newer.
  • CSS610-8G-2S+ supports SwOS Lite v2.12 and newer.


CSS610 features

FeaturesDescription
Forwarding
  • Full non-blocking wirespeed switching
  • Up to 16k MAC entries in Host table
  • Forwarding Database works based only on SVL
  • Port Isolation
  • Jumbo frame support - 10218 bytes
Spanning Tree Protocol
  • RSTP support
Link Aggregation
  • Supports 802.3ad LACP groups
  • Supports static link aggregation groups
  • Up to 16 link aggregation groups
  • Up to 8 member ports per a group
  • Hardware automatic failover and load balancing
Multicast Forwarding
  • IGMP Snooping support
  • Unknown Multicast Filtering
Mirroring
  • Port based mirroring
VLAN
  • Fully compatible with IEEE802.1Q
  • Port based VLAN
  • Up to 250 VLAN entries (limited by SwOS)
  • VLAN filtering
Security
  • Port Lock
  • Broadcast Storm Control
  • DHCP & PPPoE Snooping
Quality of Service (QoS)
  • Ingress traffic limiting
  • Egress traffic limiting
Access Control List
  • Ingress ACL tables
  • Up to 32 ACL rules (limited by SwOS)
  • Classification based on ports, L2, L3, L4 protocol header fields
  • ACL actions include filtering, forwarding and modifying of the protocol header fields

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.

Alt text
SwOS Login

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. Currently LLDP is not supported.


Interface Overview

SwOS interface menu consists of multiple tabs depending on the device model. These are all possible SwOS menus: Link, PoE, SFP, Port Isolation, LAG, Forwarding, RSTP, Stats, Errors, Hist, VLAN, VLANs, Hosts, IGMP, SNMP, ACL, System, Health 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

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.


Alt text
General Settings


Property Description
Address AcquisitionSpecify which address acquisition method to use:
  • DHCP with fallback - For first 10 seconds switch uses DHCP client. If request is unsuccessful, then address is set as a Static IP Address value
  • static - Address is set as a Static IP Address value
  • DHCP only - Switch uses DHCP client to acquire address
Static IP AddressIP address of the switch in case of Address Acquisition is set as DHCP with fallback or static
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
IGMP SnoopingEnable or disable IGMP Snooping
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)

DHCP & PPPoE Snooping

Alt text
DHCP & PPPoE snooping settings


Property Description
Trusted PortsGroup of ports, which allows DHCP or PPPoE servers to provide a requested information. Mainly used to limit unauthorized servers to provide malicious information for users, access ports usually do not configure as trusted
Add Information OptionEnables or disables DHCP Option-82 information. When enabled, the Option-82 information (Agent Remote ID and Circuit ID) is added for DHCP packets received from untrusted ports. Can be used together with Option-82 capable DHCP server to assign IP addresses and implement policies

Password and Backup

Alt text
System Management Settings

Link

Link Tab allows you to configure each interface settings and monitor link status

Alt text
Link Settings


Property Description
EnabledEnable or disable port
NameEditable port name
Link StatusCurrent link status (Read-only)
Auto NegotiationEnable or disable auto negotiation
SpeedSpecify speed setting of the port (requires auto negotiation to be disabled)
Full DuplexSpecify duplex mode of the port (requires auto negotiation to be disabled)
Flow control Enable or disable 802.3x Flow control

PoE

Devices with PoE-out support have some configuration options and certain monitoring features, like PoE-out current, voltage, etc. For more detailed description, see Manual:PoE-Out.

Alt text
PoE tab

SFP

SFP tab allows you to monitor status of SFP/SFP+ modules.

Alt text
SFP Tab

Port Isolation

Port Isolation table allows or restricts traffic forwarding between specific ports. By default, all available switch chip ports can communicate with any other port, there is no isolation used. When the checkbox is enabled/ticked you allow to forward traffic from this port towards the ticked port. Below are some port isolation examples.

Alt text
In some scenarios you might need to isolate a group of devices from other groups. In this example devices on Port1-Port5 are not able to communicate with Port6-Port10 devices, and vice versa.
Alt text
In some scenarios you might need to forward all traffic to an uplink port while all other ports are isolated from each other. This kind of setup is called Private VLAN configuration. The switch will forward all Ethernet frames only to the uplink Port1, while uplink can reach all other ports
Alt text
Individual isolated Port1 (e.g. for management purpose), it cannot send or receive traffic from any other port

Note: It is possible to check/uncheck multiple checkboxes by checking one of them and then dragging horizontally (Click & Drag).


Note: (R)STP will only work properly in Private VLAN setups. In setups with multiple isolated switch groups (R)STP might not properly receive BPDUs and therefore fail to detect network loops.


LAG

IEEE 802.3ad (LACP) compatible link aggregation is supported, as well as static link aggregation to ensure failover and load balancing is based only on Layer2 hashing.

Up to 16 link aggregation groups with up to 8 ports per a group are supported.

Alt text
LAG Tab

Each individual port can be configured as Passive LACP, Active LACP or a Static LAG port.

Property Description
Mode (default: passive) Specify LACP packet exchange mode or Static LAG mode on ports:
  • Passive: Place port in listening state, use LACP only when it's contrary port uses active LACP mode
  • Active: Prefer to start LACP regardless contrary port mode
  • Static: Set port in a Static LAG mode
Property Description
GroupSpecify a Static LAG group
Trunk (read only)Represents group number port belongs to.
Partner (read only)Represents partner mac-address.

Forwarding

Forwarding Tab provides advanced forwarding options among switch ports, port locking, port mirroring, bandwidth limit and broadcast storm control features.

Alt text
Forwarding Settings


Property Description
Port Lock
  • Port Lock - Enables or disables MAC address learning on this port. When the option is enabled, it will restrict MAC address learning and static MAC addresses should be configured. Any received frames with unknown source MAC address will be dropped
  • Lock On First - Allows to learn source MAC address from the first received frame, this property should be used together with Port Lock. Learning of the first MAC address will reset every time an interface status changes
Port Mirroring
  • Mirror Ingress - Whether traffic entering this port must be copied and forwarded to mirroring target port
  • Mirror Egress - Whether traffic leaving this port must be copied and forwarded to mirroring target port
  • Mirror To - Mirroring target port
Broadcast Storm Control
  • Storm Rate - Limit the number of broadcast packets transmitted by an interface. The rate is measured in bits per second (bps).
  • Include Unknown Unicast - Include unicast packets without an entry in host table in Storm Rate limitation
  • Flood Unknown Multicast - Flood multicast packets without an entry in igmp multicast registration table
Bandwidth Limit
  • Ingress Rate - Limit traffic entering this port (bps)
  • Egress Rate - Limit traffic leaving this port (bps)

Note: It is possible to limit ingress/egress traffic per port basis. The policer is used for ingress traffic, the shaper is used for egress traffic. The ingress policer controls the received traffic with packet drops. Everything that exceeds the defined limit will get dropped. This can affect the TCP congestion control mechanism on end hosts and achieved bandwidth can be actually less than defined. The egress shaper tries to queue packets that exceed the limit instead of dropping them. Eventually, it will also drop packets when the output queue gets full, however, it should allow utilizing the defined throughput better.


RSTP

Per port and global RSTP configuration and monitoring is available in the RSTP menu.

Alt text
RSTP Settings


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: 40G - 1; 10G - 2; 1G - 4; 100M - 10; 10M - 100
  • long: 40G - 500; 10G - 2000; 1G - 20000; 100M - 200000; 10M - 2000000
Root BridgeThe priority and MAC address of the selected Root Bridge in the network (Read-only)
Property Description
RSTPEnable or disable STP/RSTP functionality on this port
Mode Shows STP/RSTP functionality mode on specific port (Read-only):
  • RSTP
  • STP
RoleShows specific port role (Read-only):
  • root - port that is facing towards the root bridge and will be used to forward traffic from/to the root bridge
  • alternate - port that is facing towards root bridge, but is not going to forward traffic (a backup for root port)
  • backup - port that is facing away from the root bridge, but is not going to forward traffic (a backup for non-root port)
  • designated - port that is facing away from the root bridge and is going to forward traffic
  • disabled - port that is not strictly part of STP (RSTP functionality is disabled)
Root Path CostShows root path cost for ports that are facing root bridge (Read-only)
Type
  • edge - ports that are not supposed to receive any BPDUs, should be connected to end station (Read-only)
  • point-to-point - ports that operates in full-duplex links, can be part of STP and operate in forwarding state (Read-only)
StateShows each port state (Read-only):
  • forwarding - port participates in traffic forwarding and is learning MAC addresses, is receiving BPDUs
  • discarding - port does not participate in traffic forwarding and is not learning MAC addresses, is receiving BPDU
  • learning - port does not participate in traffic forwarding, but is learning MAC addresses

Stats, Errors and Histogram

These menus provide detailed information about received and transmitted packets.

Alt text
Port statistics
Alt text
Port error statistics
Alt text
Port histogram statistics

Note: Statistics for SFP+ interface are cleared whenever an active SFP+ link is established.


VLAN and VLANs

VLAN configuration for switch ports.

Alt text
Port VLAN Settings


Property Description
VLAN Mode (disabled | optional | strict; Default: optional) VLAN filtering mode, these options are relevant to egress ports (except for strict mode).
  • disabled - VLAN table is not used. Switch discards packets with a VLAN tag on egress ports. If the packet has a VLAN tag and the VLAN ID matches Default VLAN ID on egress ports, then with VLAN Receive=any the switch will remove the VLAN tag and forward the packet.
  • optional - Disabled VLAN filtering. Handle packets with VLAN tag ID that is not present in VLAN table just like packets without VLAN tag.
  • strict - Enabled VLAN filtering with additional ingress filtering, which checks if the ingress port is a member of the received VLAN ID in the VLAN table. Received packets on the ingress port with a VLAN ID that does not match with VLAN table will be dropped. Default VLAN ID must be specified for access ports since it will be used to tag ingress traffic and untag egress traffic for the certain port.
VLAN Receive (any | only tagged | only untagged; Default: optional) Ingress traffic filtering based on VLAN tag presence.
  • any - Allows tagged and untagged packets on a certain port
  • only tagged - Allows only packets with a VLAN tag
  • only untagged - Allows only packets without a VLAN tag
Default VLAN ID (integer: 1..4095; Default: 1) VLAN ID which will be assigned on ingress traffic. Only has effect on untagged traffic, it will be ignored for tagged traffic. This parameter is usually used to allocate access ports with specific VLAN. It is also used to untag egress traffic if packet's VLAN ID matches Default VLAN ID.
Force VLAN ID (integer: yes | no; Default: no) Assigns the Default VLAN ID value to all ingress traffic (tagged and untagged). Has effect in all VLAN Modes. If port receives tagged traffic and Default VLAN ID is set to 1, then with this parameter the egress traffic will be untagged.


VLAN membership configuration for switch ports.

Alt text
VLAN Table Settings


Property Description
VLAN ID (integer: 1..4095; Default: 0) VLAN ID to which assign ports.
IGMP Snooping (yes | no; Default: no) Enables or disables IGMP Snooping on the defined VLAN. When enabled, the switch will listen to IGMP Join and Leave requests from the defined VLAN and only forward traffic to ports, which have sent IGMP membership requests from the defined VLAN. When disabled, the switch will flood all VLAN member ports with Multicast traffic.
Members (ports; Default: none) Group of ports, which are allowed to forward traffic on the defined VLAN.

VLAN Configuration Example

Simple trunk and access port configuration, as well as trunk and hybrid port configuration examples can be found in this article - SWOS/CSS326-VLAN-Example.

Hosts

This table represents dynamically learnt MAC address to port mapping entries. It can contain two kinds of entries: dynamic and static. Dynamic entries get added automatically, this is also called a learning process: when switch receives a packet from certain port, it adds the packet's 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. CSS610 devices supports 16383 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.

Alt text
Host Table


Property Description
PortPorts the packet should be forwarded to
MACMAC address
Property Description
PortPorts the packet should be forwarded to (Read-only)
MACLearned MAC address (Read-only)

IGMP Snooping

IGMP Snooping controls multicast streams and prevents multicast flooding. The feature allows a switch to listen in the IGMP conversation between hosts and routers.

Enable this option under System tab.

Alt text
IGMP Snooping under System tab


Available IGMP snooping data can be found under IGMP tab:

Alt text
IGMP Snooping table


It is possible to enable IGMP Snooping for a specific VLAN ID under VLANs menu.

Alt text
IGMP Snooping VLANs settings

SNMP

SwOS supports SNMP v1 and uses IF-MIB, SNMPv2-MIB, BRIDGE-MIB and MIKROTIK-MIB (only for health, PoE-out and SFP diagnostics) for SNMP reporting.

Available SNMP data:

  • System information
  • System uptime
  • Port status
  • Interface statistics
  • Host table information
Alt text
SNMP settings


Property Description
EnabledEnable or disable SNMP service
CommunitySNMP community name
Contact InfoContact information for the NMS
LocationLocation information for the NMS

ACL Tab

An access control list (ACL) rule table is very powerful tool allowing wire speed packet filtering, forwarding and VLAN tagging based on L2,L3 protocol header field conditions. Each rule contains a conditions part and an action part.

CSS610 ACL table
CSS610 ACL table

Conditions part parameters

Property Description
FromPort that packet came in from
MAC SrcSource MAC address and mask
MAC DstDestination MAC address and mask
EthertypeProtocol encapsulated in the payload of an Ethernet Frame
VLAN

VLAN header presence:

  • any
  • present
  • not present
VLAN IDVLAN tag ID
PriorityPriority in VLAN tag
IP Src (IP/netmask:port)Source IPv4 address, netmask and L4 port number
IP Dst (IP/netmask:port)Destination IPv4 address, netmask and L4 port number
Protocol (integer)IP protocol
DSCPIP DSCP field

Action part parameters

Property Description
Redirect ToForce new packets destination port
MirrorClones packet and sends it to mirror-target port
DropDrop packet
Set VLAN IDChanges the VLAN tag ID, if VLAN tag is present
PriorityChanges the VLAN tag priority bits, if VLAN tag is present
DSCPChanges the IP DSCP field

Reset and Reinstall

CSS610 switches have built-in backup SwOS firmware which can be loaded in case standard firmware breaks or upgrade fails:

  • Holding Reset button for few seconds while CSS610 is booting resets configuration and loads backup firmware SwOS "2.XXp".
  • After loading backup firmware SwOS "2.XXp" it is possible to connect to 192.168.88.1 using web browser and install new SwOS firmware.
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