Here you will find detailed information about network taps, link aggregation taps, network packet brokers (NPB) and bypass switches.
What is the difference between monitor ports and appliance ports and their use in the enterprise. We use Datacom Systems as an example, but it can also be used as information for US Robotics.
Network Ports – the ports that connect directly to the endpoint devices of the link that they bypass switch is protecting. Often, those are a router and firewall link or a firewall and network switch link.
Appliance ports – the ports that route traffic which enters the bypass switch (from either direction) and send it through the in-line appliance (most often DPI or IPS.)
A single bypass switch with two network ports and one pair of appliance ports will protect one link using a single appliance (our DS-1404.)
A single bypass switch with two network ports and two pairs of appliance ports will protect one link using two in-line appliances. This allows HA (High Availability) to be enabled, so that if one appliance fails the other appliance will automatically take over and continue protecting the link (our DS-1406)
A dual bypass switch with four network ports (two pairs) and two pairs of appliance ports will protect two links using two in-line appliances. This allows HA (High Availability) to be enabled, so that if one appliance fails the other appliance will automatically take over and continue protecting the link. It also allows LINKprotect to be enabled (link fault detection) so that in the case of a load balanced or HA link pair, the bypass switch can enable notification of a downed link as well as switching traffic over to the active link (Datacom Systems DW-2408.) This model can also be used as two separate single bypass switches in one chassis (like two DS-1404’s)
Network packet brokers:
All ports are “any-to-any.” These devices are not intended for in-lien use, btu any port or group of ports may be designated as inputs or outputs
Simple non-powered fiber taps:
Each tap (or channel of a multilink tap) has a pair of Network ports (typically LC connectors) which connect to the endpoint devices of the tapped link, and also a single LC pair labeled as Monitor ports. In this case, both sides of the LC pair are TX and transmit copies of the data from the link.
SINGLEstream aggregation taps:
Each tap (or channel of a multilink tap) has a pair of fiber or copper Network ports, which connect to the endpoint devices of the tapped link. The remaining ports are typically described as “any-to-any” ports. If it is a tap with just two of these ports, they are generally used just as Monitor ports – to connect to monitoring tools. More often, there may be 4, 6 or even 8 extra “any-to-any” ports. These can be used to send data to multiple tools but may also be used as additional inputs. This allows them to be used as additional inputs, which enables data copies form SPAN ports or other Taps to be aggregated together with data form the tapped link.
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