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Cisco IE 3000 Switch Command Reference
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Chapter 2    IE 3000 Switch  Cisco IOS Commands
  vlan (VLAN configuration)
media {ethernet | fddi | 
fd-net | tokenring | tr-net}
(Optional) Specify the VLAN media type. Table 2-38 lists the valid 
syntax for each media type.
  • ethernet is Ethernet media type (the default).
  • fddi is FDDI media type.
  • fd-net is FDDI network entity title (NET) media type.
  • tokenring is Token Ring media type if the VTP v2 mode is 
disabled, or TrCRF if the VTP v2 mode is enabled.
  • tr-net is Token Ring network entity title (NET) media type if the 
VTP v2 mode is disabled or TrBRF media type if the VTP v2 mode 
is enabled.
mtu mtu-size (Optional) Specify the maximum transmission unit (MTU) (packet size 
in bytes). The range is 1500 to 18190.
name vlan-name (Optional) Specify the VLAN name, an ASCII string from 1 to 32 
characters that must be unique within the administrative domain. 
parent parent-vlan-id (Optional) Specify the parent VLAN of an existing FDDI, Token Ring, 
or TrCRF VLAN. This parameter identifies the TrBRF to which a 
TrCRF belongs and is required when defining a TrCRF. The range is 0 
to 1005.
ring ring-number (Optional) Specify the logical ring for an FDDI, Token Ring, or TrCRF 
VLAN. The range is 1 to 4095.
said said-value (Optional) Enter the security association identifier (SAID) as 
documented in IEEE 802.10. The range is 1 to 4294967294, and the 
number must be unique within the administrative domain. 
state {suspend | active} (Optional) Specify the VLAN state:
  • If active, the VLAN is operational.
  • If suspend, the VLAN is suspended. Suspended VLANs do not 
pass packets.
ste ste-number (Optional) Specify the maximum number of spanning-tree explorer 
(STE) hops. This keyword applies only to TrCRF VLANs. The range is 
0 to 13. 
stp type {ieee | ibm | auto} (Optional) Specify the spanning-tree type for FDDI-NET, Token 
Ring-NET, or TrBRF VLAN.
  • ieee for IEEE Ethernet STP running source-route transparent 
(SRT) bridging.
  • ibm for IBM STP running source-route bridging (SRB).
  • auto for STP running a combination of source-route transparent 
bridging (IEEE) and source-route bridging (IBM).
tb-vlan1 tb-vlan1-id
and tb-vlan2 tb-vlan2-id
(Optional) Specify the first and second VLAN to which this VLAN is 
translationally bridged. Translational VLANs translate FDDI or Token 
Ring to Ethernet, for example. The range is 0 to 1005. Zero is assumed 
if no value is specified.