RTS DV-3400 Informações Técnicas descarregar pdf (Página 351)

100

101

Port Traffic Controls

Jumbo Packets on the Series 3400cl and Series 6400cl Switches

excluded from jumbo traffic. A solution is to create a third VLAN with the

sole purpose of enabling jumbo traffic on the desired ports, while leaving

the other ports on the switch disabled for jumbo traffic. That is:

VLAN 100 VLAN 200 VLAN 300

Ports 6-10 11-15 6, 7, 12, and 13

Jumbo- No No Yes

Enabled?

If there are security concerns with grouping the ports as shown for VLAN

300, you can either use source-port filtering to block unwanted traffic

paths or create separate jumbo VLANs, one for ports 6 and 7, and another

for ports 12 and 13.

■ Outbound Jumbo Traffic. Any port operating at 1 Gbps or higher can

transmit outbound jumbo packets through any VLAN, regardless of the

jumbo configuration. The VLAN is not required to be jumbo-enabled, and

the port is not required to belong to any other, jumbo enabled VLANs. This

can occur in situations where a non-jumbo VLAN includes some ports that

do not belong to another, jumbo-enabled VLAN and some ports that do

belong to another, jumbo-enabled VLAN. In this case, ports capable of

receiving jumbo packets can forward them to the ports in the VLAN that

do not have jumbo capability.

Jumbo-Enabled VLAN

VLAN 10

Non-Jumbo VLAN

VLAN 20

Port 3 belongs to both VLAN 10 and VLAN 20.

Jumbo packets received inbound on port 3 can be

forwarded out the Non-Jumbo ports 4, 5, and 6.

Figure 14-11. Forwarding Jumbo Packets Through Non-Jumbo Ports

Jumbo packets can also be forwarded out non-jumbo ports when the

jumbo packets received inbound on a jumbo-enabled VLAN are routed to

another, non-jumbo VLAN for outbound transmission on ports that have

no memberships in other, jumbo-capable VLANs. Where either of the

above scenarios is a possibility, the downstream device must be config-

ured to accept the jumbo traffic. Otherwise, this traffic will be dropped

by the downstream device.

14-33

1 2 ... 346 347 348 349 350 351 352 353 354 355 356 ... 579 580

Comentários a estes Manuais

Sem comentários

RTS DV-3400 Informações Técnicas Página 351

Comentários a estes Manuais