3Com 4007, Command Reference Manual

Page: 180 / 574

180 C
HAPTER
10: V
IRTUAL
LAN
S
(VLAN
S
)
✓
Layer 2
Switching
Modules
✓
Multilayer
Switching
Modules
bridge vlan detail Displays detailed per-port information in addition to the VLAN summary
information. For the Multilayer Switching Modules, this command also
displays VLAN statistics.
Valid Minimum Abbreviation
b v det
Important Considerations
■
The default VLAN always uses VLAN ID (VID) 1 and the name
Default
.
For Multilayer Switching Modules, it also uses the protocol type
unspecified
.
■
The VLAN ID (VID) is used as the 802.1Q tag if tagging is enabled for a
port.
■
The VLAN statistics for the Multilayer Switching Modules are valid only
under one of the following conditions:
■
If the VLANs are defined for the same protocol type (or for the type
called
unspecified
) and do not share any ports. Example: IP
VLAN1 has ports 1 through 6 and IP VLAN2 has ports
7 through 12.
■
If the VLANs are explicitly defined for different protocol types. In
this case, the VLANs may share ports. Example: An IP VLAN and an
IPX VLAN both use ports 2 through 4.
■
For Layer 2 Switching Modules, the VLAN origin is always
static
,
which indicates that the user created the VLAN. Multilayer Switching
Modules support one of three origins for a VLAN:
■
If you explicitly create the VLAN with a
bridge vlan define
operation, the origin of the VLAN is
static
.
■
If you create a router port IP interface (for which the module
automatically creates a router port VLAN), the origin of the router
port VLAN is
router
.
■
If you enable dynamic port-based VLAN configuration via the
GARP VLAN Registration Protocol (GVRP), the origin is
GVRP
.
■
Either you can use network-based IP VLANs (by supplying Layer 3
address information when you configure a VLAN for IP), or you create
the IP VLAN and then define multiple IP interfaces per VLAN. See
Chapter 12.