Tripp Lite NGI-M08C4POE8-2 Owner's Manual page 252

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Where the IPMASK mask allows users to filter a range of IP in the packets' source IP or
destination IP.
For example:
source ip 172.20.1.1 255.255.0.0
 The command will filter source IP range from 172.20.0.0 to 172.20.255.255
Example:
L2SWITCH#configure terminal
L2SWITCH(config)#access-list 111
L2SWITCH(config-acl)#vlan 2
L2SWITCH(config-acl)#source interface 1
L2SWITCH(config-acl)#show
Profile Name: 111
Activate: disabled
VLAN: 2
Source Interface: 1
Destination MAC Address: any
Source MAC Address: any
Ethernet Type: any
Source IP Address: any
Destination IP Address: any
Source Application: any
Destination Application: any
Note: Any: Don't care.
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