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Bridge Functionality

Configuration​

example:/#> configure
example:/config/#> fdb
example:/config/fdb/#> show aging-timeout 
300
example:/config/fdb/#>

[no] aging-timeout <0|10..3825>

Description

Manage aging timeout of dynamically learnt MAC entries. Default: 300 sec.

Dynamically learnt (unicast) MAC entries are refreshed whenever a new packet with the same source MAC is received on the port. Entries are removed if not refreshed within the aging-timeout value. A value of zero (0) disables aging entirely.

[no|show] group <ADDR> [vlan VID] port <PORTS|all>

Description

Manage static IPv4 multicast entries

  • ADDR: IPv4 Multicast address, e.g., 225.1.2.3. Note: It is not possible to add static entries for IP multicast in range 224.0.0.X or for other addresses mapping to the corresponding MAC range as 224.0.0.X, see reserved multicast groups.
  • vlan VID: Setting to limit the static multicast entry to a specific VLAN. If left out, the entry applies to all VLANs.
  • port <PORTS|all>: Port range of various port types:
    • Physical: E.g., eth1,eth3..eth5.
    • Link aggregates: E.g., lag1.
    • Virtual: E.g., ssl1
    • all: All ports. This keyword expands to all currently existing ports.
example:/config/fdb/#> group 226.1.1.1 port eth3,ssl1
example:/config/fdb/#> group 227.2.2.2 vlan 1 port all
example:/config/fdb/#> show group
IP Multicast Groups    VLAN  Port(s)
226.1.1.1               ALL  eth3, ssl1
227.2.2.2                 1  eth1..eth12, ssl1
example:/config/fdb/#>

[no|show] mac <ADDR> [vlan VID] port <PORTS,cpu|all,cpu>

Description

Manage static MAC multicast entries.

  • ADDR: MAC multicast address. Can not be used for MAC addresses within the IPv4 multicast range of MAC addresses. That is, MAC addresses in range 01:00:5e:00:00:00 -- 01:00:5e:7f:ff:ff should instead be managed via the group command, using IP multicast addresses.
  • vlan VID: Setting to limit the static multicast entry to a specific VLAN. If left out, the entry applies to all VLANs.
  • port <PORTS,cpu|all,cpu>: Port range of various port types:
    • Physical: E.g., eth1,eth3..eth5
    • Link aggregates: E.g., lag1
    • Virtual: E.g., ssl1
    • all: All ports (excluding CPU). This keyword expands to all currently existing ports.
    • cpu: Send to internal CPU port.
example:/config/fdb/#> mac 01:23:45:01:01:01 port eth1,eth3..eth5
example:/config/fdb/#> mac 01:23:45:01:01:02 vlan 1 port all
example:/config/fdb/#> show mac
Static MAC Entries     VLAN  Port(s)
01:23:45:01:01:01       ALL  eth1, eth3..eth5
01:23:45:01:01:02         1  eth1..eth12, ssl1
example:/config/fdb/#>
note

When using link aggregation, the link aggregate (e.g., lag1) represents all its individual member ports for the group or mac commands. Thus, physical ports, such as eth1 and eth2, should not be added to the port list if they are member of a link aggregate.

FDB/MDB Status​

example:/#> show fdb
GROUP              VLAN          PORT(S)                  
239.255.255.250       1
225.1.2.3             2          eth5..eth6, lag1

MAC                VLAN  STATE   PORT(S)                  
00:07:7c:61:e5:01     1  296 s   eth1
00:07:7c:61:e5:00     1  277 s   eth1
00:80:c8:3c:a7:ff     2  300 s   eth5
00:07:7c:61:e5:41     2  298 s   eth5
00:07:7c:61:e5:40     2  277 s   eth5
01:80:c2:00:00:0e     1  mcast   eth1..eth4, ssl1
01:80:c2:00:00:0e     2  mcast   eth5..eth6, lag1
01:80:c2:00:00:03     1  mcast   eth1..eth4, ssl1
01:80:c2:00:00:03     2  mcast   eth5..eth6, lag1
01:80:c2:00:00:00     1  mcast   eth1..eth4, ssl1
01:80:c2:00:00:00     2  mcast   eth5..eth6, lag1
01:80:c2:00:00:02     1  mcast   eth1..eth4, ssl1
01:80:c2:00:00:02     2  mcast   eth5..eth6, lag1
example:/#>

Flood unknown traffic to CPU​

example:/#> configure
example:/config/#> system
example:/config/system/#> flooding
example:/config/system/flooding/#> multicast auto
example:/#> show
Unicast  : Enable
Multicast: Auto
example:/#>

[no] multicast <auto>

Description

Set flooding of unknown multicast traffic to CPU.
Default: Enable

Enable or disable flooding of unknown multicast packets to the CPU.
Set 'auto' to automatically decide the appropriate setting for multicast flooding to the CPU.

The 'auto' setting will enable flooding of multicast to the CPU when either tunnels or multicast forwarding is configured.

[no] unicast

Description

Set flooding of unknown unicast traffic to CPU. Default: Enable