ln man page on Ultrix

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ln(7)									 ln(7)

       ln - Lance Ethernet interface

       device ln0 at ibus? vector lnintr

       The interface provides access to a 10 Mb/s Ethernet network through the
       Lance controller.

       The host's Internet address is specified at boot time with  an  SIOCSI‐
       FADDR  ioctl.   The  interface  employs the address resolution protocol
       described in to map dynamically between Internet and Ethernet addresses
       on the local network.

       The interface normally tries to use a trailer encapsulation to minimize
       copying data on input and output.  This can be disabled for  an	inter‐
       face  by	 setting  the  IFF_NOTRAILERS flag with an SIOCSIFFLAGS ioctl.
       Trailers are only used for packets destined for Internet hosts.

       The SIOCSPHYSADDR ioctl can be used to change the physical  address  of
       the  Lance.   The  SIOCRPHYSADDR ioctl can be used to read the physical
       address of the Lance.

       The SIOCADDMULTI and SIOCDELMULTI ioctls can be used to add  or	delete
       multicast  addresses.   The  Lance recognizes a maximum of 12 multicast

       The SIOCRDCTRS and SIOCRDZCTRS ioctls can be used to read or ``read and
       clear'' the Ethernet driver counters.  The argument to these two ioctls
       is a pointer to a counter structure, found in

       The SIOCENABLBACK and SIOCDISABLBACK ioctls can be used to  enable  and
       disable the interface loopback mode respectively.

       The  diagnostic error messages contain relevant information provided by
       the Lance.

       ln%d: can't handle af%d
       The interface was handed	 a  message  with  addresses  formated	in  an
       unsuitable address family, and the packet was dropped.

       ln%d: memory error (MERR)
       A memory parity error has occurred.

       ln%d: lnalloc: cannot alloc memory ...
       The driver was unable to allocate memory for internal data structures.

       ln%d: initialization error
       The driver was unable to initialize the network interface.

       ln%d: SIOCADDMULTI fail, multicast list full
       Too many multicast requests have been made.

See Also
       arp(7p), inet(7), netintro(7)


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