FUJITSU PSWITCH User’s Guide
78 December/2018
Multiple mirroring sessions are supported for all types of mirroring.
A given interface can be used as a source interface for different sessions. For
example a mirroring session can be created with source interface as port A and
destination interface as port B. Another session can be created with source
interface as port A and destination interface as port C. An interface cannot be
configured as a destination interface for more than one session.
Traffic to and from the CPU can also be mirrored by specifying the CPU as the source
interface.
An IP/MAC access-list can be attached to any mirroring session or to all sessions at
the same time.
3.1.2.11.1. RSPAN (Remote Switched Port Analyzer)
Along with the physical source ports, the network traffic received/transmitted on a
VLAN can be monitored. A port mirroring session is operationally active if and only
if both a destination (probe) port and at least one source port or VLAN is
configured. If neither is true, the session is inactive. The switch supports remote
port mirroring and VLAN mirroring. Traffic from/to all the physical ports which are
members of that particular VLAN is mirrored.
The source for a port mirroring session can be either physical ports or VLAN.
Up to four RSPAN sessions can be configured on the switch and up to four RSPAN
VLANs are supported. An RSPAN VLAN cannot be configured for more than one
session at the same time. To configure four RSPAN mirroring sessions, you must
configure four RSPAN VLANs.
3.1.2.12. LLDP (Link Layer Discovery Protocol)
The IEEE 802.1AB standard defines the Link Layer Discovery Protocol (LLDP). The
protocol allows stations residing on an 802 LAN to advertise major capabilities,
physical descriptions, and management information to physically adjacent devices,
allowing a network management system (NMS) to access and display this
information.
The standard is designed to be extensible, providing for the optional exchange of
organizational specific information and data related to other IEEE standards. The
initial implementation supports only the required basic management set of type
length values (TLVs).
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