EASY 6996M CPU Infineon Technologies, EASY 6996M CPU Datasheet - Page 40
![BOARD EVAL W/CPU ADM6996M](/photos/9/10/91037/easy_6996m_cpu_sml.jpg)
EASY 6996M CPU
Manufacturer Part Number
EASY 6996M CPU
Description
BOARD EVAL W/CPU ADM6996M
Manufacturer
Infineon Technologies
Series
Samurair
Datasheet
1.EASY_6996M_CPU.pdf
(216 pages)
Specifications of EASY 6996M CPU
Main Purpose
Interface, Ethernet
Embedded
No
Utilized Ic / Part
ADM6996M
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Secondary Attributes
-
Primary Attributes
-
Other names
EASY6996MCPUIN
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Table 17
Tagged
VLAN
3.1.14.8
If the source port is not contained in the VLAN boundary associated with the incoming packet, then this frame is
dropped and recorded as a VLAN violation. This feature is disabled by setting the “Ingress Filter” (see 0021
bit to 0
3.1.14.9
When packets are recorded as a VLAN violation packet, Samurai-6M/6MX (ADM6996M/MX) will drop them. The
only way to ignore these violations is to classify these packets as cross_VLAN packets.
3.1.14.10 TXTAG Carried through Samurai-6M/6MX (ADM6996M/MX)
Each packet during receive is assigned 2-bit TXTAG value. This value is carried by Samurai-6M/6MX
(ADM6996M/MX) to the output ports to help to determine if egress tagged is necessary.
Table 18
Packet Type
BPDU/SLOW/PAE/RESER_R0/
RESER_R1/GXRP/RESER_R2/
RESER_R3
ARP/RARP
IGMP_IP/MLD_IP/MLD_IPV6
Other
3.1.14.11 Tagged Member Carried through Samurai-6M/6MX (ADM6996M/MX)
If the output port is a tagged port it is determined by the port or the VID. Ports in the tagged members should egress
packets tagged.
Data Sheet
B
.
VLAN Boundary Search Algorithm (cont’d)
Ingress Filter
VLAN Violation
TXTAG Carried through Samurai-6M/6MX (ADM6996M/MX)
VID match Member is contained in the matched filter. We can find the boundary in this filter
VID un-
match
VID check
VID
uncheck
The TXTAG is determined in priority order by:
Description
The TXTAG is determined in priority order by:
1. TXTAG in Special Tag with TXTAG_Valid enabled.
2. TXTAG in the learning table when there is a match for DA+FID in the
3. TXTAG in the control table when there is a match for DA in the control
4. TXTAG defined in register 003E
The TXTAG is determined in priority order by:
1. TXTAG in Special Tag with TXTAG_Valid enabled.
2. TXTAG is defined in 000D
1. TXTAG in Special Tag with TXTAG_Valid enabled.
2. TXTAG is defined in 000C
The TXTAG is determined in priority order by:
1. TXTAG in Special Tag with TXTAG_Valid enabled.
2. The DA + FID matches an entry in the learning table with TXTAG
The frame is dropped.
Samurai-6M/6MX (ADM6996M/MX) uses Default VLAN Portmap as the
boundary (see 003A
(ADM6996M/MX) to “Back to Port VLAN” (see 0027
to find the boundary in the same way as the Port VLAN. When this feature
is enabled, VLAN filter 0 ~ 5 are for Port VLAN purpose and VLAN filter 6
~15 are for VID comparison.
learning table.
table.
defined.If the first and second conditions are not satisfied, TXTAG is
2’b00.
40
H
, DVM). If users configure Samurai-6M/6MX
H
H
.
.
H
.
Revision 1.4, 2006-03-24
Function Description
H
, BPV), we can back
Samurai-6M/MX
ADM6996M/MX
H
, IFE)
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