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THOMSON R7.4, Configuration Manual

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VLAN Configuration Guide

R7.4 and higher

Thomson Gateway

Summary of Contents for R7.4

Page 1: ...Po w er Et he rn et W LA N Pl ug in IS DN In te rn et DS L VLAN Configuration Guide R7 4 and higher Thomson Gateway...

Page 2: ......

Page 3: ...Thomson Gateway VLAN Configuration Guide R7 4 and higher...

Page 4: ...egistered trademarks of the Wi Fi Alliance Wi Fi CERTIFIED Wi Fi ZONE Wi Fi Alli ance their respective logos and Wi Fi Protected Access are trademarks of the Wi Fi Alliance UPnP is a certification mar...

Page 5: ...VLANs 11 4 1 VLAN Learning Constraints 12 4 2 Static Entries with VLANs 14 4 3 VLAN Awareness 16 4 4 Port VLAN Membership 17 4 5 Optional Incoming Traffic Validation 20 4 6 Dynamic VLAN Membership 22...

Page 6: ...E DOC CTC 20080229 0001 v1 0 ii Contents...

Page 7: ...ide see 1 Introduction on page 7 Sample text indicates an important content related word Example To enter the network you must authenticate yourself Sample text indicates a GUI element commands on men...

Page 8: ...n on several VLAN related concepts is also provided Next this document describes the configuration of each VLAN feature on the Thomson Gateway in detail CLI Command Line Interface commands are used fo...

Page 9: ...Support of VLAN routing on the Thomson Gateway Standards compliancy Thomson Gateway devices are compliant with following standards which are relevant to Ethernet Ethernet bridging VLAN bridging VLAN...

Page 10: ...E DOC CTC 20080229 0001 v1 0 4 1 Introduction...

Page 11: ...ween two VLANs Following illustration shows the difference between traditional physical LAN segmentation and logical VLAN segmentation Advantages of using VLANs The use of VLANs is very popular in tod...

Page 12: ...cate between two VLANs Additional features the VLAN user priority allows Layer 2 traffic separation VLAN tagged frame format In order to support VLANs the Ethernet frame format is extended with a VLAN...

Page 13: ...nguished from a C tag as follows The value of the TPID field of an S tag is set to 0x88a8 An S tag contains a DEI Drop Eligible Indicator field instead of a CFI field Destination MAC Address Source MA...

Page 14: ...E DOC CTC 20080229 0001 v1 0 8 2 VLAN Overview...

Page 15: ...tes the default VID This value is already in use by the default VLAN on the bridge 4095 this value is reserved Optionally following parameter can be specified Addrule this parameter indicates whether...

Page 16: ...ANs is the number of VLANs that are in use at a certain moment The maximum number of active VLANs that the bridge can support at any time is 15 including the VLANs that are already created by default...

Page 17: ...all VLANs VLAN awareness of the bridge Ethernet bridge ports Tagged and untagged VLAN membership of the bridge ports Control of unexpected incoming frames on a bridge port Advanced VLAN features Dynam...

Page 18: ...ple filtering data bases are supported and each data base is used by only one VLAN This means that if an individual MAC address is learned in one VLAN that learned information is only used in forwardi...

Page 19: ...fault eth bridge rule add type shared vlan video vlan2 default eth bridge rule add type independent vlan video isi 0 eth bridge rule add type independent vlan voice isi 0 Be careful during the creatio...

Page 20: ...specified If the entry was created for a specific VLAN that VLAN must be specified when removing the entry from the filtering database If the entry was created for all VLANs no VLAN must be specified...

Page 21: ...E DOC CTC 20080229 0001 v1 0 15 4 Ethernet Bridge and VLANs The resulting filtering database looks as follows eth bridge maclist 00 14 7f 01 dc 9e permanent default...

Page 22: ...is non VLAN aware the bridge does not interpret the VLAN tags Configuring VLAN awareness By default the bridge is non VLAN aware To make the bridge VLAN aware execute following command To check the V...

Page 23: ...e untagged frames Rules for bridge ports If you want to change the VLAN membership of a bridge port you must take following rules into account A bridge port must be untagged member of at least 1 VLAN...

Page 24: ...o remove a bridge port from a VLAN use the command eth bridge vlan ifdelete Two parameters must be specified Name the name of the VLAN Intf the name of the bridge port eth bridge vlan iflist Vid Name...

Page 25: ...abled the bridge port is untagged member of the VLAN If the parameter is disabled the bridge port is tagged member of the VLAN eth bridge vlan iflist Vid Name Bridge interfaces untagged 1 default OBC...

Page 26: ...port has to be untagged member of at least one VLAN By default the PVID of a bridge port is the default VLAN To modify this configuration execute following command Acceptable frame types Each bridge p...

Page 27: ...are mapped to the VLAN that corresponds with the PVID By default the parameter is disabled To enable this parameter execute following command Parameter status information To obtain information on the...

Page 28: ...f the bridge extra VLANs will be created in addition to the default VLAN on the bridge Hence the bridge should be VLAN aware By default the bridge is non VLAN aware To make the bridge VLAN aware execu...

Page 29: ...ries The initial value of the timer expressed in seconds is the same for all entries This value is located within the range from 0 through 100000 s By default the parameter is set to 90 s This timeout...

Page 30: ...llowing command Applications The Flexiport mechanism is based on the dynVLAN membership mechanism If the Flexiport mechanism is used in combination with dynamic MAC addresses even more than four devic...

Page 31: ...reparations VLAN awareness of the bridge the bridge must be able to interpret the VLAN tags of received frames Hence the bridge must be VLAN aware By default the bridge is non VLAN aware To make the b...

Page 32: ...mand eth bridge unknownvlan ifconfig Only one parameter must be specified Intf the name of the bridge port Optionally other parameters can be specified Brname the name of the bridge instance If the pa...

Page 33: ...important application of the unknown VID policy is the transparent VLAN trunking scenario In this scenario all ingress frames with an unknown or unconfigured VID are sent to or from the WAN side trunk...

Page 34: ...nown VID policy feature make following preparations VLAN awareness of the bridge the bridge must be able to interpret the VLAN tags of received frames Hence the bridge must be VLAN aware By default th...

Page 35: ...he range from 1 through 4094 Notag indicating that no outer VLAN tag is added Transparent indicating that the outer VID is set to the inner VID In addition if the bridge port is not a member of the de...

Page 36: ...he inner VID In addition if the bridge port is not a member of the default bridge instance following parameter must be specified Brname the name of the bridge instance to which the bridge port belongs...

Page 37: ...y adding an extra S tag to a C tagged frame VID translation if the bridge port is untagged member of the VLAN with the inner VID the outgoing frame has only one VLAN tag with the outer VID The inner V...

Page 38: ...E DOC CTC 20080229 0001 v1 0 32 4 Ethernet Bridge and VLANs...

Page 39: ...igned to a VLAN using the vlan parameter of the eth ifconfig command If the parameter is set to the default VLAN the logical Ethernet interface transmits untagged frames By default the interface is as...

Page 40: ...ide VLAN tagging execute following steps 1 Create the necessary VLANs 2 Create a first logical Ethernet interface 3 On top of this interface configure several logical Ethernet interfaces that support...

Page 41: ...w VLAN create a logical Ethernet interface Configure this interface with the bridge as destination and associate the interface with the VID of the correct VLAN 5 On top of each logical Ethernet interf...

Page 42: ...E DOC CTC 20080229 0001 v1 0 36 5 Logical Ethernet Interfaces and VLANs...

Page 43: ......

Page 44: ...THOMSON Telecom Belgium Prins Boudewijnlaan 47 2650 Edegem www thomson broadband com Thomson 2008 All rights reserved E DOC CTC 20080229 0001 v1 0...

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