Enterasys atx Betriebsanweisung
Introduction
1-9
unicast address.
Name_Query_Request frames provide the ATX with the name of
the source workstation, the MAC address, the port which recieved
the frame and any applicable RIF information. The
Name_Recognized_Response provides the ATX with information
including the name of the workstation, the MAC address of the
workstation and any applicable RIF information.
the source workstation, the MAC address, the port which recieved
the frame and any applicable RIF information. The
Name_Recognized_Response provides the ATX with information
including the name of the workstation, the MAC address of the
workstation and any applicable RIF information.
Note:
If cached information on the originating workstation has not timed
out, the Name_Recognized will be a directed response instead of an
all-stations broadcast. If the workstation name has not timed out
from the Netbios Name Cache, the next Name_Query frame
destined for either workstation is sent as a directed frame instead of
a single route broadcast.
out, the Name_Recognized will be a directed response instead of an
all-stations broadcast. If the workstation name has not timed out
from the Netbios Name Cache, the next Name_Query frame
destined for either workstation is sent as a directed frame instead of
a single route broadcast.
1.6.2 ATX Local and Remote Port Mirroring
Port mirroring allows the ATX LAN switch to redirect network
traffic (excluding MAC layer errors) from one or more ports to any
other port, in effect “mirroring” all network traffic to a selected
port. This feature allows customers who have existing investments
in external analyzers, external RMON probes, or devices like
Network General’s Distributed Sniffer System to continue to
receive expert analysis and packet decode functions in a switched
environment - simply use the port mirroring function to mirror
switched traffic to the designated “diagnostic” port to which the
analyzer is attached.
traffic (excluding MAC layer errors) from one or more ports to any
other port, in effect “mirroring” all network traffic to a selected
port. This feature allows customers who have existing investments
in external analyzers, external RMON probes, or devices like
Network General’s Distributed Sniffer System to continue to
receive expert analysis and packet decode functions in a switched
environment - simply use the port mirroring function to mirror
switched traffic to the designated “diagnostic” port to which the
analyzer is attached.
The ATX LAN Switch supports local and remote port mirroring.
Local port mirroring is when the diagnostic port is on the same
ATX as the mirrored ports. Remote port mirroring is when the
diagnostic port is on a different or remote ATX from the mirrored
ports. The mirrored ports have to be either local or remote to the
diagnostic port, not both. In the case of remote mirroring, the
traffic from the mirrored ports is encapsulated into an IP packet
and sent to the IP destination defined (the diagnostic port). See
section 3.11 Local and Remote Port Mirroring Commands for
additional information on Port Mirroring commands.
Local port mirroring is when the diagnostic port is on the same
ATX as the mirrored ports. Remote port mirroring is when the
diagnostic port is on a different or remote ATX from the mirrored
ports. The mirrored ports have to be either local or remote to the
diagnostic port, not both. In the case of remote mirroring, the
traffic from the mirrored ports is encapsulated into an IP packet
and sent to the IP destination defined (the diagnostic port). See
section 3.11 Local and Remote Port Mirroring Commands for
additional information on Port Mirroring commands.