HP 6125G Configuration Manual page 34

# Add a blackhole MAC address entry.
[Sysname] mac-address blackhole 000f-e235-abcd vlan 1
# Set the aging timer for dynamic MAC address entries to 500 seconds.
[Sysname] mac-address timer aging 500
# Display the MAC address entry for port GigabitEthernet 1/0/1.
[Sysname] display mac-address interface gigabitethernet 1/0/1
MAC ADDR VLAN ID
000f-e235-dc71 1
--- 1 mac address(es) found
# Display information about the blackhole MAC address table.
[Sysname] display mac-address blackhole
MAC ADDR VLAN ID
000f-e235-abcd 1
--- 1 mac address(es) found
# View the aging time of dynamic MAC address entries.
[Sysname] display mac-address aging-time
Mac address aging time: 500s
STATE PORT INDEX
Config static GigabitEthernet 1/0/1
---
STATE PORT INDEX
Blackhole N/A
---
25
AGING TIME(s)
NOAGED
AGING TIME(s)
NOAGED