Create VLAN Window
This window appears when you click Create on the Configure VLAN
tab of the VLAN window. Use it to add a new VLAN.
Follow these steps:
- In the VLAN ID field, enter the number of
the VLAN.
- In the VLAN Name field, enter a VLAN name
from 1 to 32 characters that is unique within the administrative domain.
The default name is VLANxxxx where xxxx represents four digits
(including leading zeros) equal to the VLAN ID number.
- From the VLAN Media Type list, select the
media type you want to configure.
- In the 802.10 SAID (security association
identifier) field, enter a number from 1 to 4294967294 that is unique within
the administrative domain.
The default is 100000 plus the VLAN ID.
- In the MTU Size field, enter a number from
1500 to 18190 for the maximum transmission unit (packet size in bytes) that
the VLAN can use.
The default is 1500.
- If you are translationally bridging from one VLAN
type to another (such as from Ethernet to FDDI), in the Translational Bridge
1 and Translational Bridge 2 fields, enter the VLAN IDs (from 1
to 1005) of the two VLANs to which this VLAN is translationally bridging.
By default, these fields are set to 0, which means translational bridging
is not in effect.
- From the VLAN Status list, select Active.
When the status is suspended, all traffic for that VLAN is blocked on all
switches in the management domain.
- If you are configuring a FDDI
or Token Ring VLAN, the Ring Number field
appears in the window. In it, enter a logical ring number from
1 to 4095.
The ring number is used for source routing. You must specify a ring number;
no default is defined.
- If you are configuring a FDDI
or Token Ring VLAN, the Parent VLAN field
appears in the window. In it, enter a parent VLAN ID number
from 0 to 1005.
Note: By default, this field is set to 0, which means no parent VLAN
is defined.
The parent VLAN of an FDDI VLAN must be an FDDI-NET VLAN, which represents
a set of ring segments connected by source-route bridges. The parent VLAN
is the VLAN ID to which the FDDI VLAN is attached for source routing functions.
- If you are configuring a FDDI-NET
or Token Ring-NET VLAN, the Bridge Number field
appears in the window. In it, enter a logical distributed source-route
bridge number (from 0 to 15) that interconnects all logical rings having the
same parent VLAN.
By default, this field is set to 0, which means that no source-routing bridge
is defined.
- If you are configuring a
FDDI-NET or Token Ring-NET VLAN, the STP Type list
appears in the window. From it, select IEEE, IBM,
or AUTO.
The default is IEEE for source-route transparent bridging.
Select IBM for source-route bridging.
Select AUTO for a combination of source-route bridging and
source-route transparent bridging. Use AUTO only if the VTP V2 mode
is enabled.
- If you are configuring a Token Ring-NET VLAN,
the Bridge Mode list appears in the window.
Select SRB (Source Route Bridging) or SRT (Source-Route
Transparent Bridging).
- If you are configuring a Token Ring-NET VLAN,
the ARE Max hops field appears in the window.
Enter the maximum number of hops for All-Routes Explorer
frames in the Token Ring Concentrator Relay Function (TRCRF).
- If you are configuring a Token Ring-NET VLAN,
the STE Max hops field appears in the window.
Enter the maximum number of hops for Spanning-Tree
Explorer frames in the TRCRF.
- If you are configuring a Token Ring-NET VLAN,
the Backup CRF list appears in the window.
Select On or Off to configure a TRCRF
VLAN as a backup TRCRF.
- Click OK.