Add or modify the data displayed, then click the Apply button.
Port Displays all the Ethernet ports on the uplink card.
To select all the ports on the card, click the Select All button.
To clear all the ports on the card, click the Clear All button.
Link Agg Group
Select a Link Agg Group. Note that only LinkAgg groups that contain uplink ports (ports 1 through 4) are available for uplink LinkAgg connections. Only LinkAgg groups that contain downlink ports (ports 5 through 29) are available for downlink LinkAgg connections
Non Aggregated Ethernet
Select an Ethernet port.
Logical Type |
Uplink 802.1Q: An uplink bridge uses one bridge interface in a VLAN as a default, and traffic from all other interfa ces exits the system from this interface. As the default interface, packets entering the system on this interface do not have their source MAC addresses learned and associated with this interface. Traffic coming into this uplink interface is sent to the interface where the address has been learned. If the frame is a broadcast, it is filtered, unless it is an ARP or DHCP message that meets some special criteria. Unicasts received on an uplink port are forwarded to the downlink where the MAC address was learned. Uplink bridge interfaces require an additional bridge-path configuration to set a default path for either a specific VLAN or globally for the system onto the uplink bridge. If an uplink is missing this configuration, traffic will not flow across the asymmetric VLAN. If RSTP (Rapid Spanning Tree Protocol, IEEE 802.1W) option is selected on two uplink bridge interfaces, it builds two links between device and uplink router. These two links are redundant to each other, if an active link fails, the redundant link will provide backup paths. Downlink 802.1Q: A downlink bridge is used in conjunction with an uplink bridge. where the uplink bridge is the path upstream to the network, and the downlink bridge is the learning interface facing subscribers. Traffic coming into this interface is forwarded to the uplink regardless of the destination MAC address. Broadcasts and unicasts (known and unknown) will be sent out the default interface, which is the uplink bridge for the VLAN. Packets entering the system on this interface have their source MAC addresses learned and associated with this interface. Because this interface is not a default, it is required to learn MAC addresses, so that frames from the network that come in on the uplink bridge can be sent to the correct downlink bridge. Broadcasts received on a downlink are sent to the uplink (default) without filtering. Broadcasts will not flow to other downlinks as long as forwardtodefault parameter is set to true. Downlink ports learn MAC addresses. Intralink: An intralink bridge is used in conjunction with an uplink bridge, where the uplink bridge is the path upstream to the network, and the intralink forwards traffic with unknown MAC addresses or multicasts to the configured bridge interface without attempting to learn the addresses of the attached devices or network. Traffic coming into this interface is forwarded to the uplink regardless of the destination MAC address. Broadcasts, multicasts, and unicasts (known and unknown) will be sent out the default interface, which is the uplink bridge for the VLAN. Packets entering the system on this interface will not have their source MAC addresses learned since this interface is not used when a MAC is known. Intralink bridge interfaces require an additional configuration to take effect, which is a bridge-path. The bridge-path sets a default intralink path for either a specific VLAN or a global intralink for the system onto the intralink bridge. If an intralink is missing this configuration, traffic will not flow across the asymmetric VLAN. Rlink: This is the enhance version of RSTP bridge (i.e Uplink bridge with RSTP option). With the RSTP rlink, instead of having a second redundant cloud link at each SLMS device in RSTP, it allows traffic to proceed through the other SLMS device, which has its own uplink bridge. In that case, those two devices are redundant to each other, if an active uplink fails on one device, the another device will provide backup uplink. Transparent LAN Service (TLS): A TLS bridge is used with only other TLS bridges. This should not be used with any asymmetrical bridges. TLS bridges learn MAC addresses and forward packets to learned destinations. Broadcasts and unknown unicasts are flooded out all interfaces except the ingress interface. Packets entering the system on TLS interface have their source MAC addresses learned and associated with the interface so that frames from the network that come in on other TLS bridges in the VLAN can be sent to the correct interface. Wire: Wire bridge interfaces, which are a reserved TLS bridge, have the same behavior regardless of the ports being bridged. A wire bridge is only connected to another wire bridge in a two bridge interface configuration and reserves a VLAN ID for two ports for the entire system. Transparent 802.1D: Transparent bridges send broadcasts to all ports, learn an unlimited number of MAC addresses on a port, and allow any port to send traffic to any other port. |
Secured |
(Not supported for uplink interfaces) Check to activate secure DHCP settings on downlink bridges to prevent users with a statically configured IP address from bypassing DHCP security enforcement. This filter blocks users from accessing the network using anything other than valid DHCP offered IP address. When packets are received or sent out a secure downlink bridge interface, TLS subscriber facing bridge interface, or GPON port and VLAN, the system checks the IP address against the dynamic IP bridge filter. If a match is found (the address was provided by the DHCP server), the packet is allowed to pass through the filter. Otherwise, it is blocked. For GPON ports, adding secure to one VLAN ID will secure the entire port and all bridges configured on that port with the same VLAN ID. |
Remote Spanning Tree Protocol (RSTP) |
Check to enable RSTP. RSTP (802.1W) is an evolution of the Spanning Tree Protocol (STP, IEEE 802.1D). STP links network segments and eliminates one of the difficulties of configuring bridge topologies - bridge loops. There still can only be one active path. Once RSTP is configured for a bridged network the Spanning Tree Algorithm (STA) analyzes the network and determines which links should be active or not. The STA defines the links by configuring the ports. In the bridged network the root bridge is selected. The STA sends out messages - Bridge Protocol Data Units (BPDU) - to determine the least cost path to the root bridge. From this analysis the port roles are determined. |
Q-in-Q |
For SLAN configurations. Check to enable. |
QoS |
Check to enable. |
VLAN Tagging and Translation
Type |
Untagged, single tagged, or double-tagged. Tagged bridging: Tagged bridges forward traffic based on the logical VLAN ID number. This tagging allows the segregation of a single Ethernet network into multiple virtual network segments. Untagged bridging: Untagged bridges forward traffic based on MAC addresses but do not further segregation traffic. Traffic is broadcast over the Ethernet port and is either accepted or rejected based on the destination MAC address. In other words, there is no VLAN tagging; all ports are learning and forwarding without restriction without broadcast suppression. Forwarding to a default port is not allowed. Double-tagged: Double tagging expands the VLAN space in the Ethernet frame, so that you may further segregate traffic. The packet is differentiated by VLAN ID and SLAN ID. This second tag gives a whole other layer, so you can have VLAN 100 which may be a department in a global organization, and VLAN 100, SLAN 100 be one group within that department. | |||||||||||||||||||
VLAN ID |
The Virtual LAN Identifier for the IP Interface. If the VLAN ID specified is non-zero, all traffic destined to this interface should be configured with this VLAN ID. |
Q-in-Q
S-TAG TPID |
Identifies the type of VLAN ID used. Typically set to 8100. |
S-TAG ID |
Specifies the SLAN ID assigned to an Ethernet frame. |
QoS
VLAN CoS |
Specifies the value loaded into the COS field of the VLAN header when an untagged packet received on this interface is tagged (VLAN ID inserted) for bridging. Value range is 0 to 7. Default is 0. |
S-Tag CoS |
The s-tag COS to be used when doing s-tag insertion. Default is 0 |
Outgoing CoS Option |
Determines COS setting on packets bridged out this interface disable - COS setting is untouched. all - COS will be set to bridgeIfOutgoingCOSValue. Defalut is outgoingCOSOptionDisable |
Outgoing CoS Value |
The COS value loaded into outgoing tagged packets. Applicable only if interface sends tagged packets and Outgoing CoS Option is set to all. |
S-Tag Outgoing CoS Option |
Determines s-tag COS settings on packets bridged out this interface: disable - s-tag COS setting just passed as Rxed. all - s-tag COS will be set with Outgoing CoS Value Default is disable |
S-Tag Outgoing CoS Value |
The s-tag COS value loaded into outgoing tagged packets. Applicaple only if interface sends S-tagged packets and s_tagOutgoingCOSOption is All. Default is 0 |
Packet Rule Group
Ingress Group Index |
The index number for packet-rule-record(s) when adding multiple filters for ingress interfaces. |
Egress Group Index |
The index number for packet-rule-record(s) when adding multiple filters for egress interfaces. |
Static paths
Note: Static paths are supported on Uplink, TLS, Rlinks, and Intralinks.
Unicast Aging |
Unicast aging period in tenths of seconds for the specified VLAN. After the specified aging period is met, the VLAN address is deleted from the routing table. A value of 0 indicates that aging is turned off. Maximum value is 2147483647 tenths of seconds, which equates to approximately 2485.51 days. |
Flap Control |
Enables or disables Flap Control in the Bridge Filter Table. Values: Disable: turns Flap Control mode off. Enable applies a hold time of 60 seconds before allowing addr/IP to be moved to a new port. Fast indicates that as a MAC address comes into the system from one source and then is seen from another source, the MAC address table is purged from the first source and replaced with the second source without delay or restriction. If this behavior is not desired, the Flap Mode can be configured to disabled or default. Default: indicates 'Don't Care' and defaults to disabled or enable as set by another entry. |
Loop Prevention |
Bridge loop issue prevention can be configured on both asymmetrical and TLS bridges to resolve certain incorrect MAC address behaviors. None: no loop prevention. BlockAsym: blocks a learning bridge if flap is detected between it and an uplink bridge. Setting this on an an uplink bridge interface on the VLAN ID will block the downlink when incorrect MAC address behavior occurs in a uplink/downlink configuration. When incorrect MAC address behavior involves two downlinks, the bridge interface on the VLAN ID for both downlinks is blocked. BlockAll: incorporates blockAsym but it also blocks a learning bridge if it flaps against another learning bridge. |
To save the configuration, click the Apply button.
March 24, 2012