Supermicro AOC-XEH-IN2 Uživatelský manuál stáhnout pdf (Strana 69)

6-5

Chapter 6: 1-Gb Ethernet Switch Firmware

Port VLAN ID (PVID)

The PVID is used in a port-based VLAN to allow assigning a port to belong to a VLAN. A

VLAN can then be configured to be a group of member ports. This switch is an 802.1q

tag-aware switch. If no VLANs are defined on the switch, every port will be assigned to a

default VLAN which has VLAN ID 1. Each port will have PVID equal to 1.

If incoming frames are untagged, they will be tagged with the default PVID of the port on

which they are received. The destination MAC address of the frame and the PVID will be

used for forwarding decisions. An incoming tagged frame will be kept intact. The switch

will use the VID in the frame and the destination MAC address for the forwarding

decision. Look for a more detailed description in the VLAN section.

Jumbo Frames Support

To modify the jumbo frames support for all of ports, click on the EDIT OF JUMBO

RAME setting (as shown in Figure 6-3) to link to the JUMBO FRAME SETTING screen

(Figure 6-4). Click the E

NABLE JUMBO FRAME check box to enable/disable jumbo frame

support.

Figure 6-4. Jumbo Frame Setting Screen

When a jumbo frame is enabled, the maximum length of a frame that can be forwarded

by a switch is 9216. When the jumbo frame is disabled, the maximum length of a frame

that can be forwarded by a switch is 1518.

Port Configuration

To modify the configuration of each port, click on the port number in the PORT STATUS

screen (see Figure 6-3). The P

ORT CONFIGURATION screen appears (Figure 6-5). It is

used to define speed and duplexing for a port when auto-negotiation is off. When

auto-negotiation is on, this data is negotiated with the link partner.

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Supermicro AOC-XEH-IN2 Uživatelský manuál Strana 69