show elsm ports
ExtremeWare XOS 11.5 supports only the Summit X450 family of switches and the BlackDiamond 8800 series switch.
ExtremeWare XOS 11.5 Command Reference Guide
663
The remaining output displays counter information. Use the counter information to determine the
health of the ELSM peers and how often ELSM has gone up or down. The counters are cumulative.
●
RX Hello+—The number of Hello+ messages received by the port.
●
Rx Hello- —The number of Hello- messages received by the port.
●
Tx Hello+—The number of Hello+ messages sent by the port.
●
Tx Hello- —The number of Hello- messages sent by the port.
●
ELSM Up/Down Count—The number of times ELSM has been up or down.
To clear, reset the counters, use either the
clear elsm {ports <portlist>} counters
or the
clear
counters
command.
Additional show Command.
You can also use the
show ports {<port_list>} information {detail}
command to display ELSM information.
If you do not specify the
detail
parameter, the following columns display the current state of ELSM on
the switch:
●
Flags
■
L—Indicates that ELSM is enabled on the switch
■
- —Indicates that ELSM is disabled on the switch
●
ELSM
■
up—Indicates that ELSM is enabled and the ELSM peer ports are up and communicating; the
ELSM link state is up. In the up state, the ELSM-enabled port sends and receives hello messages
from its peer.
■
dn—Indicates that ELSM is enabled, but the ELSM peers are not communicating; the ELSM link
state is down. In the down state, ELSM transitions the peer port on this device to the down state.
ELSM blocks all incoming and outgoing switching traffic and all control traffic except ELSM
PDUs.
■
- —Indicates that ELSM is disabled on the switch.
If you specify the optional
detail
parameter, the following ELSM output is called out in written
explanations versus displayed in a tabular format:
●
ELSM Link State (displayed only if ELSM is enabled on the switch)
■
Up—Indicates that ELSM is enabled and the ELSM peer ports are up and communicating; the
ELSM link state is up. In the up state, the ELSM-enabled port sends and receives hello messages
from its peer.
■
Down—Indicates that ELSM is enabled, but the ELSM peers are not communicating; the ELSM
link state is down. In the down state, ELSM transitions the peer port on this device to the down
state. ELSM blocks all incoming and outgoing switching traffic and all control traffic except ELSM
PDUs.
●
ELSM
■
Enabled—Indicates that ELSM is enabled on the switch
■
Disabled—Indicates that ELSM is disabled on the switch
Example
The following command displays detailed ELSM information for all configured ports on the switch:
show elsm ports all
