High Performance Two Port 10/100 Managed Ethernet Switch with
Datasheet
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| DESCRIPTION | TYPE | DEFAULT | |
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17:16 | Egress Port Type Port 2 | R/W | 0b | |||
| These bits set the egress port type which determines the |
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| BIT | EGRESS PORT TYPE |
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| VALUES |
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| 00 | Dumb |
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| Packets from regular ports pass untouched. Special tagged packets from the |
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| Host MAC port have their tagged stripped. |
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| 01 | Access |
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| Tagged packets (including special tagged packets from the Host MAC port) |
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| have their tagged stripped. |
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| 10 | Hybrid |
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| Supports a mix of tagging, |
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| "Adding, Removing, and Changing VLAN Tags," on page 79 for additional |
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| 11 | CPU |
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| A special tag is added to indicate the source of the packet. See Section 6.5.6, |
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| "Adding, Removing, and Changing VLAN Tags," on page 79 for additional |
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| details. |
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15:14 | RESERVED |
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| RO | - | |
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13 | Insert Tag Port 1 | R/W | 0b | |||
| Identical to Insert Tag Port 2 definition above. |
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12 | Change VLAN ID Port 1 | R/W | 0b | |||
| Identical to Change VLAN ID Port 2 definition above. |
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11 | Change Priority Port 1 | R/W | 0b | |||
| Identical to Change Priority Port 2 definition above. |
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10 | Change Tag Port 1 | R/W | 0b | |||
| Identical to Change Tag Port 2 definition above. |
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9:8 | Egress Port Type Port 1 | R/W | 0b | |||
| Identical to Egress Port Type Port 2 definition above. |
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7:6 | RESERVED |
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| RO | - | |
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5 | Insert Tag Port 0(Host MAC) | R/W | 0b | |||
| Identical to Insert Tag Port 2 definition above. |
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4 | Change VLAN ID Port 0(Host MAC) | R/W | 0b | |||
| Identical to Change VLAN ID Port 2 definition above. |
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3 | Change Priority Port 0(Host MAC) | R/W | 0b | |||
| Identical to Change Priority Port 2 definition above. |
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2 | Change Tag Port 0(Host MAC) | R/W | 0b | |||
| Identical to Change Tag Port 2 definition above. |
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1:0 | Egress Port Type Port 0(Host MAC) | R/W | 0b | |||
| Identical to Egress Port Type Port 2 definition above. |
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Revision 1.4 | 424 | SMSC LAN9312 |
| DATASHEET |
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