Avaya Business Communications Manager 5.0 - Planning and Engineering User Manual Page 274
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274 VLAN overview
Nortel Business Communications Manager 5.0
Planning and Engineering
NN40170-200 01.03 Standard
August 2009
Copyright © 2009 Nortel Networks
DHCP and VLAN
By using the BCM DHCP server, you can configure DHCP to auto-assign a
VLAN ID to each IP telephone that registers. With this configuration, you can
also choose to manually enter VLAN IDs, if you choose. The BCM DHCP
server becomes the default VLAN that everyone can reach. The server
provides the network configuration information in the default VLAN, and it also
provides the VLAN information for the network.
Site-specific options for VLAN
The BCM DHCP server resides in the default VLAN and is configured to
supply the VLAN information to the IP phones. The DHCP server supplies
site-specific options in the DHCP offer message.
The following definition describes the Nortel IP Phone 2004-specific, site-
specific option. This option uses the reserved for site specific use DHCP
options (DHCP option values 128 to 254) and must be returned by the DHCP
server as part of each DHCP OFFER and ACK message for the IP Phone
2004 to accept these messages as valid. The IP Phone 2004 pulls the relevant
information out of this option and uses it to configure the IP phone.
Format of field is: Type, Length, Data.
Type (1 octet):
• Five choices 0x80, 0x90, 0x9d, 0xbf, 0xfb (128, 144, 157, 191, 251)
• Providing a choice of five types allows the IP Phone 2004 to work in
environments where the initial choice may already be in use by a different
vendor. Select only one TYPE byte.
Length (1 octet): (variable depends on the message content)
Data (length octets):
• ASCII based
• format: VLAN-A:XXX,YYY.ZZZ.
where VLAN-A: uniquely identifies this as the Nortel DHCP VLAN
discovery.
-A signifies this version of this spec. Future enhancements could use -B,
for example.
ASCII , (comma) is used to separate fields.
ASCII . (period) is used to signal end of structure.
XXX, YYY and ZZZ are ASCII-encoded decimal numbers with a range of
0-4095. The number is used to identify the VLAN Ids. A maximum of 10
VLAN Ids can be configured. NONE means no VLAN (default VLAN).
The DHCP Offer message carrying VLAN information has no VLAN tag when
it is sent out from the DHCP server. However, a VLAN tag is added to the
packet at the switch port. The packets are untagged at the port of the IP
phone.
- Planning and Engineering 1
- Contents 3
- NN40170-200 01.03 Standard 10
- August 2009 10
- New in this release 11
- VoIP configuration 12
- DHCP configuration 12
- CLID configuration 12
- FindMe/FollowMe 13
- Remote Modem 13
- Professional Call Recording 13
- 14 New in this release 14
- Introduction 15
- • call security remote access 16
- • CoS password specifications 16
- • dialing plan specifications 16
- Line configuration overview 17
- PRI line configuration 18
- T1-DID line configuration 19
- T1-E&M line configuration 20
- DASS2 line configuration 20
- DPNSS line configuration 20
- DTM module is installed and 21
- Lines are provisioned 21
- Line planning overview 23
- Active physical lines 24
- Target lines 24
- Physical lines 25
- 26 Line planning overview 26
- ISDN BRI loop properties 27
- ISDN BRI T-loops 28
- Calling line identification 31
- Scope of CLID 32
- CLID transmission and receipt 33
- 38 FindMe/FollowMe 38
- 40 InTouch 40
- 42 Remote Modem 42
- Dialing plan set-up 47
- BCM incoming-call processing 49
- BCM dialing plans 49
- Public network DN lengths 50
- Codes for remote access 52
- Codes for incoming calls 52
- Codes for outgoing calls 53
- Routing for outgoing calls 54
- Routing, outgoing BCM calls 55
- Routing for incoming calls 56
- BCM access codes 57
- Park prefix 58
- Direct dial digit 59
- 60 Dialing plan set-up 60
- Dialing plan set-up 61 61
- Carrier codes 62
- BCM feature access codes 62
- Direct dial set configuration 62
- Call routing configuration 63
- BCM call-by-call services 64
- Dialing plan set-up 65 65
- BCM destination codes 68
- Dialing plan set-up 69 69
- 70 Dialing plan set-up 70
- Dialing plan set-up 73 73
- 74 Dialing plan set-up 74
- PRI route types 82
- Delete Button 87
- Table 16 Second Dial tone 87
- Attribute value Description 87
- Public dialing plan settings 89
- Public network settings 89
- Public network DN lengths 92
- Outgoing public calls routing 93
- Carrier code settings 94
- Private network settings 95
- Line pools and DNs 105
- Types of private networks 109
- Keycode requirements 111
- Dialing plan global settings 113
- System-level access codes 114
- List of direct dial sets 115
- Access codes at system level 116
- Callers using BCM 121
- Callers in the public network 121
- Meridian system requirements 124
- Message waiting indication 125
- Break-in inter-operability 126
- UDP-specific programming 128
- CDP-specific programming 129
- Meridian 1 programming 130
- Fallback over VoIP MCDN 131
- Networking with ETSI QSIG 132
- MCDN network features 135
- ETSI Euro network services 135
- Routing for tandem networks 137
- VoIP to tandem systems 142
- BCM network setup 143
- WarehouseHead Office 144
- DPNSS diversion feature 147
- Diversion feature 148
- DPNSS diversion configuration 148
- DPNSS redirection feature 149
- Executive intrusion 149
- Call offer 150
- Route optimization 151
- Loop avoidance 152
- Private networking with DPNSS 152
- Custom DPNSS routing service 155
- DPNSS private networking 155
- Destination codes in BCM 158
- Toronto office 162
- New York office 162
- PRI call-by-call services 163
- Voice messaging 167
- 170 Voice messaging 170
- Centralized voice mail 171
- Configuration levels 172
- Centralized voice mail 173 173
- 174 Centralized voice mail 174
- VoIP overview 175
- Silence suppression 176
- IP telephones in VoIP network 177
- VoIP trunks 178
- IP telephony and programming 178
- Gatekeepers 178
- SIP proxy 178
- IP LANs and WANs 179
- 180 VoIP overview 180
- DTMF handling using RFC2833 181
- SIP proxy configuration 182
- VoIP trunk gateways 185
- 186 VoIP trunk gateways 186
- Local gateway programming 187
- 188 VoIP trunk gateways 188
- VoIP routing table 189
- PSTN access to a remote node 189
- 190 VoIP trunk gateways 190
- VoIP trunk gateways 191 191
- 192 VoIP trunk gateways 192
- VoIP trunk gateways 193 193
- Gatekeeper call scenarios 194
- VoIP trunk gateways 195 195
- CAUTION Operations note: 196
- 198 VoIP trunk gateways 198
- CS1000 as a gatekeeper 201
- CS 1000 configuration 202
- VoIP specifications 203
- MCDN dialing plan settings 205
- Network routing information 205
- T.38 fax 209
- T.38 Fax restrictions 210
- SIP fax over G.711 211
- SIP G.711 restrictions 212
- Meet Me Conferencing 213
- 214 Meet Me Conferencing 214
- Ports overview 219
- 220 Ports overview 220
- Media gateway overview 221
- 222 Media gateway overview 222
- Media Gateways panel 223
- 224 Media Gateways panel 224
- Restriction filters 225
- Direct inward system access 229
- Remote DISA line settings 229
- Remote DISA on DPNSS lines 230
- CoS and DISA 232
- External access tones 233
- Remote access control 235
- Configuration for a PRI trunk 237
- LAN overview 247
- 248 LAN overview 248
- Line configuration planning 249
- Procedure steps 250
- BCM as a DHCP client 251
- 252 BCM as a DHCP client 252
- Data networking overview 253
- Navigation 257
- Network assessment checklist 258
- Required keycodes checklist 258
- VoIP trunks checklist 259
- IP Terminal DHCP Options tab 263
- 264 DHCP configuration 264
- Address ranges tab 266
- Lease information tab 267
- 268 DHCP configuration 268
- DHCP overview 269
- DHCP default configuration 270
- DHCP overview 271 271
- 272 DHCP overview 272
- VLAN overview 273
- DHCP and VLAN 274
- BCM450 Dial Up overview 275
- 276 BCM450 Dial Up overview 276
- BCM450 Dial Up overview 277 277
- WAN failover service 278
- Modem compatibility 278
- ISDN planning and engineering 279
- Ordering ISDN BRI 280
- Supported ISDN protocols 281
- Setting up a dialing plan 283
- Tandem call progression 289
- Destination codes schedules 291
- System A 298
- System B 298
- Example of a fallback network 299
- Figure 61 Call progression 301
- G.711 Fax restrictions 303
- T.38 fax specifications 305
- 306 T.38 fax specifications 306
- BCM450 models 309
- BCM50 models 309
- Default restriction filters 311
- Example of line restriction 312
- Dialing plan specifications 317
- Default access codes 318
- Tips on using access codes 318
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