Show Fdb - Extreme Networks ExtremeWare XOS Command Reference Manual

FDB Commands

show fdb

show fdb {<mac_addr> | broadcast-mac | permanent | ports <portlist> | vlan
<vlan_name>}
Description
Displays FDB entries.
Syntax Description
mac_addr
broadcast-mac
permanent
portlist
vlan_name
Default
All.
Usage Guidelines
Displays FDB entries as specified, or displays all FDB entries.
The show output displays the following information:
Mac
Vlan
Age
Use
Flags
Port List
278
Specifies a MAC address, using colon-separated bytes, for which FDB entries
should be displayed.
Specifies the broadcast MAC address. May be used as an alternate to the
colon-separated byte form of the address ff:ff:ff:ff:ff:ff.
Displays all permanent entries, including the ingress and egress QoS profiles.
Displays the entries for one or more ports. May be in the form 1, 2, 3-5, 2:5,
2:6-2:8.
Displays the entries for a specific VLAN.
The MAC address that defines the entry.
The VLAN for the entry.
The age of the entry, in seconds (does not appear if the keyword permanent
is specified). The age parameter does not display for the backup MSM.
The number of IP FDB entries that use this MAC address as a next hop or
last hop (does not appear if the keyword permanent is specified).
Flags that define the type of entry:
• B - Egress Blackhole
• b - Ingress Blackhole
• d - Dynamic
• s - Static
• p - Permanent
• m - MAC
• l - lockdown MAC
• M - Mirror
• i - an entry also exists in the IP FDB
• x - an entry also exists in the IPX FDB
The ports on which the MAC address has been learned
ExtremeWare XOS 11.0 Command Reference Guide