Specifications

Alcatel-Lucent Page 30
OmniSwitch 6850 Series
Ethernet (100 Mbps), Gigabit Ethernet (1000 Mbps), and 10 Gigabit Ethernet (10000 Mbps) ports. One
(1) port mirroring session is supported in a standalone switch. OmniSwitch 6850 Family switches
support “N-to-1” port mirroring where up to 24 source ports can be mirrored to a single destination
port. By default, port-mirroring sessions are bi-directional.
OmniSwitch 6850 Series switches support mirroring between any 10/100/1000Mbps port to any other
10/100/1000Mbps port and between any fiber MiniGBIC SFP to any other fiber MiniGBIC SFP port.
Port Mirroring Specifications:
• Ports Supported: Ethernet (10Mbps)/Fast Ethernet (100Mbps)/Gigabit Ethernet and
10-Gigabit Ethernet
• Mirroring Sessions Supported: One session supported per standalone switch.
• N-to-1 Mirroring supported: Up to 24 source ports can be mirrored to a destination port.
• Port Capacity Requirements: Mirrored (monitored) and mirroring (monitoring) ports must
be of identical capacity (both ports support identical speeds) or the Mirroring port must be
of higher capacity than the mirrored port. (Example: A mirrored Fast Ethernet port supports
100 Mbps, while a Mirroring Gigabit Ethernet port supports 1000 Mbps).
• Range of Unblocked VLAN Ids: 1 to 4094.
Port Monitoring Port Monitoring – Port monitoring provides the ability to capture a packet trace locally for real time
display or for replay later through a packet analyzer to determine network issues. It works like port
mirroring but instead of sending the captured packets to another port, it stores these packets to a local
file for later retrieval or display.
Port Monitoring Specifications:
• Ports Supported: Ethernet (10 Mbps) / Fast Ethernet (100 Mbps) / Gigabit Ethernet
• Monitoring Sessions Supported: one per switch
• File Type Supported: ENC file format (Network General Sniffer Network Analyzer
Format)
By default, a port monitoring session will never be disabled. The length of time before a port
monitoring session is disabled is from 0 (the default, where the session is permanent) to 2147483647
seconds.
By default, a file called pmonitor.enc is created in the /flash directory when you configure and enable a
port monitoring session.
By default, port-monitoring sessions are bi-directional.
The port-monitoring feature allows you to examine packets to and from a specific Ethernet port. Port
monitoring has the following features:
• Software commands to enable and display captured port data.
• Captures data in Network General® file format.
• A file called pmonitor.enc is created in /flash memory when you configure and enable a
port monitoring session.
• Data packets time stamped.
• One port monitored at a time.
• RAM-based file system.
• Statistics gathering and display
The port-monitoring feature also has the following restrictions:
• Estimated packet capture rate is around 500 packets/second.
• The maximum number of monitoring session is limited one per chassis
• Link Aggregation ports can not be monitored
• If both mirroring and monitoring are enabled then packets will be either mirrored or
monitored (i.e., sent to CPU), whichever comes first.
You can select to dump real-time packets to a file. Once a file is captured, you can FTP it to a Sniffer
or PC for viewing:
The port-monitoring feature allows you to examine packets to and from a specific Ethernet port (either
ingress or egress). You can select to dump captured data to a file, which can be up to 140 K. Once a
file is captured, you can FTP it to a Protocol Analyzer or PC for viewing. The OmniSwitch 6850
supports one session per switch.
By default, the switch will create a data file called "pmonitor.enc" in flash memory. When the 140 K
limit is reached the switch will begin overwriting the data starting with the oldest captured data.
However, you can configure the switch so it will not overwrite the data file. In addition, you can
configure additional port monitoring files as long as you have enough room in flash memory.