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Industrial Managed
Ethernet Switch – EH9711
User Manual
Page
115
of
223
Figure 2.91 Webpage to Configure Protocol to Group Mapping Table
Table 2.80 Descriptions of Protocol to Group Mapping Table Configuration
Label
Description
Factory
Default
Delete
To delete a Protocol to Group Name map entry, check this box. The entry will be deleted from
the switch during the next Save.
-
Frame
Type
Frame Type can have one of the following values:
1.
Ethernet
2.
LLC
3.
SNAP
Note: When changing the Frame type field, the valid value of the following text field will vary
depending on the new frame type you selected.
Ethernet
Value
Valid value that can be entered in this text field depends on the option selected from the
preceding Frame Type selection menu. Below are the criteria for the three different Frame Types:
1.
Ethernet
: Value in the text field when Ethernet is selected as a Frame Type is called etype.
Valid values for etype range between 0x0600 and 0xffff
2.
LLC
: Valid value in this case is comprised of two different sub-values.
a. DSAP: 1-byte long string (0x00-0xff)
b. SSAP: 1-byte long string (0x00-0xff)
3.
SNAP
: Valid value in this case is also comprised of two different sub-values.
a.
OUI
: OUI (Organizationally Unique Identifier) is a parameter in the format of xx-xxxx where
each pair (xx) in the string is a hexadecimal value ranging between 0x00 and 0xff.
b.
PID
: PID (Protocol ID). If OUI is hexadecimal 000000, then the protocol ID is the Ethernet
type (EtherType) field value for the protocol running on top of SNAP; if OUI is an OUI for a
particular organization, the protocol ID is a value assigned by that organization to the protocol
running on top of SNAP.
In other words, if the value of OUI field is 00-00-00 then the value of PID will be etype (0x0600-
0xffff) and if the value of OUI is other than 00-00-00 then valid values of PID will be any value
between 0x0000 and 0xffff.
0x0800
Group
Name
A valid Group Name is a 16-character long string, unique for every entry, which consists of a
combination of alphabets (a-z or A-Z) and integers (0-9).
Note: Special characters and underscores (_) are not allowed.
-
Click
Add New Entry
button to add a new entry in the mapping table. An empty row is added to the table, where Frame Type,
Value and the Group Name can be configured as needed. The
Delete
button can be used to undo the addition of new entry. The
maximum possible Protocol to Group mappings is limited to 128. Click
Save
button to save the setting configuration. Click
Reset
button to keep to the original setting.