3Com IntelliJack NJ200 Supplementary Manual Download | Manualshive

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TECHNICAL BRIEF

3Com

®

NJ200

Network Jack
Management
Feature:

Virtual LANs
and Traffic
Prioritization

1
2
3
...
»

Summary of Contents for IntelliJack NJ200

Page 1: ...TECHNICAL BRIEF 3Com NJ200 Network Jack Management Feature Virtual LANs and Traffic Prioritization...

Page 2: ...nd traffic to include VLAN tags Forward VLAN tagged traffic This supports other devices that rely on Ethernet frame tags to correctly recognize and forward VLAN traffic The section titled Setting the...

Page 3: ...g the Ingress and Egress Modes Although the NJ200 switch does not use VLAN tags these tags are needed by many other network devices such as upstream switches or a VoIP phone connected to a PAN port To...

Page 4: ...g Set 802 1 VLAN Tag Set Egress rule set to add tag Ingress rule set to remove tag Do not modify tag information Forward frame to PAN port Forward frame to PAN port Add VLAN tag information Remove all...

Page 5: ...n window Setting the PAN Port Associations The PAN device ports can support up to four different VLAN domains 3Com Central Configuration Manager lets you assign individual ports to four separate VLANs...

Page 6: ...r but not ports 1 or 2 Note It is possible to override these port configurations with a higher level device such as a core switch that supports Layer 3 IP forwarding between VLANs Setting Outgoing and...

Page 7: ...field PAN ports 1 and 2 are now configured as part of the VLAN 1 subnet 4 Repeat the last two steps to configure PAN ports 3 and 4 as part of the VLAN 2 subnet Click OK to exit configuration window 5...

Page 8: ...lications are used by accounting departments to handle AR AP taxes interest payments and other business critical processes These powerful programs need immediate and reliable access to large datasets...

Page 9: ...or 3 2 4 or 5 4 6 or 7 6 Traffic Prioritization Configuration and Setup YES YES NO NO NO NO YES YES Inspect Ethernet frame Inspect Ethernet frame 802 1 Priority Tag Set 802 1 Priority Tag Set Egress...

Page 10: ...ollowing settings a None b 802 1p Traffic Class fields c Use IP TOS Diffserv fields d Both To ignore the priority tags on incoming Ethernet frames set the Priority Look up Scheme to None Note Priority...

Page 11: ...3 Click on the Hardware Settings tab to view and configure the Priority Schedule Policy settings You should see a window like this 4 Under Priority Schedule Policy choose one of the following a 8 4 2...

Page 12: ...icular a telephone conference with a trans Pacific client suffered in quality and usability The meeting ended up being postponed until the next day a 24 hour delay that cost the company many thousands...

Page 13: ...ssion Not allowed Port Setting Default Value State Forwarding Link Autonegotiation Flow Control Off MDI X Force MDI Multicast Limit 3 Priority Lookup Tag and IPV4 Port Priority 1 VLAN ID 1 Port based...

Page 14: ...accept liability for any errors or mistakes which may arise Specifications and other informa tion in this document may be subject to change without notice NJ_VirtualLANs 09 03 3Com NJ200 Network Jack...

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