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Chapter 4
Cajun P550/P880 Switch ATM Uplink User Guide, Version 1.1
Configuring ATM Links within Virtual Switch
Ports
An ATM link is the equivalent of a LANE ATM destination and maps
to a channel descriptor table record. Each ATM link has space for
eight VC entries to support priority based QoS in RFC 1483 mode. If
any ATM Link entry is NULL, packets tagged at the priority level of
that entry for MAC addresses learned on the VCs of that ATM Link
are discarded. Each entry in the ATM Link should represent a VC
that terminates at the same remote interface. However, there is no
enforcement of this restriction and you may configure the ATM Link
so frames are forwarded to different remote interfaces or the
Multicast VC. The ATM Link's entries may contain the same VC or a
combination of VCs. Each ATM Uplink module supports a
maximum of 16,000 ATM links.
This section provides the information you need to configure AT
links for your virtual switch ports. It contains the following
information:
■ Creating ATM Links within Virtual Switch Ports
■ Modifying ATM Links for Virtual Switch Ports
■ Deleting ATM Links for Virtual Switch Ports
Creating ATM Links within Virtual Switch Ports
To create an ATM link:
1. Select Modules & Ports > Configuration from the Web
Agent. The Module Information dialog box opens
(Figure 4-1).
2. Click the number of the switch port in the Switch Ports
column of the ATM Uplink module you want to create ATM
links for. The Switch Ports dialog box opens (Figur e4-2).
3. Click Manage Virtual Switch Ports. The Virtual Switch
Ports dialog box opens (Figu re4-3).
* Note: You may have to scroll down to see the Manage
Virtual Switch Ports link.
4. Click Manage Links in the ATM Links column. The ATM
Link for Virtual Switch Port <#> dialog box opens
(Figure 4-6).