DISC(4) BSD Kernel Interfaces Manual DISC(4)NAME
disc -- software discard network interface
SYNOPSIS
device disc
DESCRIPTION
The disc interface is a software discard mechanism which may be used for performance analysis and/or software testing. As with other network
interfaces, the discard interface must have network addresses assigned for each address family with which it is to be used. These addresses
may be set or changed with the SIOCSIFADDR ioctl(2).
Each disc interface is created at runtime using interface cloning. This is most easily done with the ifconfig(8) create command or using the
cloned_interfaces variable in rc.conf(5).
SEE ALSO inet(4), intro(4)HISTORY
The disc device appears to have been derived from the lo(4) device around the time of 4.4BSD. This manpage was adapted from lo(4) and first
appeared in FreeBSD 5.0.
BSD May 25, 2002 BSD
Check Out this Related Man Page
EDSC(4) BSD Kernel Interfaces Manual EDSC(4)NAME
edsc -- Ethernet discard network interface
SYNOPSIS
device edsc
DESCRIPTION
The edsc interface is a software discard mechanism which may be used for performance analysis and software testing. It imitates an Ethernet
device, which allows for its use in conjunction with such drivers as if_bridge(4) and vlan(4).
As with other network interfaces, an edsc interface must have network addresses assigned for each address family with which it is to be used.
These addresses may be set or changed with the SIOCSIFADDR ioctl(2) or ifconfig(8) utility.
Each edsc interface is created at runtime using interface cloning. This is most easily done with the ifconfig(8) create command or using the
cloned_interfaces variable in rc.conf(5).
SEE ALSO ioctl(2), arp(4), if_bridge(4), inet(4), intro(4), vlan(4), rc.conf(5), arp(8), ifconfig(8)HISTORY
The edsc device was derived from the disc(4) device and first appeared in FreeBSD 6.3. This manpage was adapted from disc(4).
CAVEATS
Since outgoing packets are just discarded by edsc, ARP requests stay unreplied. Consequently, an IP packet cannot be sent via edsc until a
static arp(4) entry is created for its next hop using arp(8).
Initially an edsc interface has a zero link level address. It can be changed with ifconfig(8) lladdr if needed.
BSD March 25, 2007 BSD
Looking at the member list, there are alot of interesting names, some unique, some bizarre, and some that are just plain. How did you come by your name? Why did you choose your label?
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