Enterasys csx5500 用户指南
USER’S GUIDE
274 CyberSWITCH
Two of the more common protocols used today are:
•
•
The IP Protocol Id, which identifies DOD Internet Protocol packets with Ethernet type equal to
hexadecimal 800, or 802.3 LSAP equal to hexadecimal 6060.
hexadecimal 800, or 802.3 LSAP equal to hexadecimal 6060.
•
The IPX Protocol Id, which identifies Novell (old) NetWare IPX packets with Ethernet type
equal to hexadecimal 8137, or 802.3 LSAP equal to hexadecimal E0E0.
equal to hexadecimal 8137, or 802.3 LSAP equal to hexadecimal E0E0.
B
RIDGE
F
ILTER
D
EFINITIONS
This section provides the syntax for the bridge filters available for the unrestricted bridge mode and
the restricted bridge mode.
the restricted bridge mode.
Unrestricted Mode Bridge Filters
1.
SOURCE unicast-address DISCARD < distribution list >
This filter allows you to restrict the access privileges of a given device. When the specified
unicast address appears in the source address field of a MAC frame, the frame will NOT be
forwarded as specified in the distribution list. If no distribution list is specified, the frame will
not be forwarded at all. In this manner, you can specify remote sites and LANs to which the
device cannot talk.
This filter allows you to restrict the access privileges of a given device. When the specified
unicast address appears in the source address field of a MAC frame, the frame will NOT be
forwarded as specified in the distribution list. If no distribution list is specified, the frame will
not be forwarded at all. In this manner, you can specify remote sites and LANs to which the
device cannot talk.
2.
SOURCE unicast-address CONNECT < distribution list >
This filter allows you to stipulate access privileges of a given device. When the specified unicast
address appears in the source address field of a MAC frame, the frame will be connected and
forwarded as specified in the distribution list. In this manner, you can specify remote sites and
LANs for connection.
This filter allows you to stipulate access privileges of a given device. When the specified unicast
address appears in the source address field of a MAC frame, the frame will be connected and
forwarded as specified in the distribution list. In this manner, you can specify remote sites and
LANs for connection.
Unrestricted Mode
Type of Filter available
Forwarding Action
SOURCE
DISCARD
SOURCE
CONNECT
DESTINATION
DISCARD
DESTINATION
CONNECT
PROTOCOL
DISCARD
PROTOCOL
CONNECT
PACKET
DISCARD
PACKET
CONNECT