Netgear GS728TXS GS728TXS/GS752TXS Software Administration Manual - Page 146

To disable MLD snooping on a VLAN, Delete, To con the Multicast Router, Snooping

Page 146 highlights

GS752TXS and GS728TXS Smart Switches 6. Under Group Membership Interval, specify the number of seconds the VLAN should to wait for a report for a particular group on the VLAN before the MLD snooping feature deletes the VLAN from the group. 7. Under Maximum Response Time, specify the number of seconds the VLAN should wait after sending a query if does not receive a report for a particular group. The specified value should be less than the group membership Interval. 8. Under Multicast Router Expiry Time, specify the number of seconds the VLAN should wait to receive a query before it is removed from the list of VLANs with multicast routers attached. 9. Click Add.  To disable MLD snooping on a VLAN: 1. Select the check box next to each VLAN on which MLD snooping should be disabled. 2. Click Delete. Multicast Router Configuration In addition to building and maintaining lists of multicast group memberships, the Snooping switch also maintains a list of multicast routers. When forwarding multicast packets, they should be forwarded on ports that have joined using MLD/IGMP and also on ports on which multicast routers are attached. In MLD/IGMP, there is only one active querier. This means that all other routers on the network are suppressed and are not detectable by the switch. If a query is not received on an interface within a specified length of time (multicast router present expiration time), then that interface is removed from the list of interfaces with multicast routers attached. The multicast router present expiration time is configurable via management. The default value for the multicast router expiration time is zero, which indicates an infinite time-out, that is, no expiration.  To configure the Multicast Router: 1. Select Snooping  Multicast Router Configuration. 146

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
  • 139
  • 140
  • 141
  • 142
  • 143
  • 144
  • 145
  • 146
  • 147
  • 148
  • 149
  • 150
  • 151
  • 152
  • 153
  • 154
  • 155
  • 156
  • 157
  • 158
  • 159
  • 160
  • 161
  • 162
  • 163
  • 164
  • 165
  • 166
  • 167
  • 168
  • 169
  • 170
  • 171
  • 172
  • 173
  • 174
  • 175
  • 176
  • 177
  • 178
  • 179
  • 180
  • 181
  • 182
  • 183
  • 184
  • 185
  • 186
  • 187
  • 188
  • 189
  • 190
  • 191
  • 192
  • 193
  • 194
  • 195
  • 196
  • 197
  • 198
  • 199
  • 200
  • 201
  • 202
  • 203
  • 204
  • 205
  • 206
  • 207
  • 208
  • 209
  • 210
  • 211
  • 212
  • 213
  • 214
  • 215
  • 216
  • 217
  • 218
  • 219
  • 220
  • 221
  • 222
  • 223
  • 224
  • 225
  • 226
  • 227
  • 228
  • 229
  • 230
  • 231
  • 232
  • 233
  • 234
  • 235
  • 236
  • 237
  • 238
  • 239
  • 240
  • 241
  • 242
  • 243
  • 244
  • 245
  • 246
  • 247
  • 248
  • 249
  • 250
  • 251
  • 252
  • 253
  • 254
  • 255
  • 256
  • 257
  • 258
  • 259
  • 260
  • 261
  • 262
  • 263
  • 264
  • 265
  • 266
  • 267
  • 268
  • 269
  • 270
  • 271
  • 272
  • 273
  • 274
  • 275
  • 276
  • 277
  • 278
  • 279
  • 280
  • 281
  • 282
  • 283
  • 284
  • 285
  • 286
  • 287
  • 288
  • 289
  • 290
  • 291
  • 292
  • 293
  • 294
  • 295
  • 296
  • 297
  • 298
  • 299
  • 300
  • 301
  • 302
  • 303
  • 304
  • 305
  • 306
  • 307
  • 308
  • 309
  • 310
  • 311
  • 312
  • 313
  • 314
  • 315
  • 316
  • 317
  • 318
  • 319
  • 320
  • 321
  • 322
  • 323
  • 324

146
GS752TXS and GS728TXS Smart Switches
6.
Under Group Membership Interval, specify the number of seconds the VLAN should to wait
for a report for a particular group on the VLAN before the MLD snooping feature deletes the
VLAN from the group.
7.
Under Maximum Response Time, specify the number of seconds the VLAN should wait after
sending a query if does not receive a report for a particular group. The specified value
should be less than the group membership Interval.
8.
Under Multicast Router Expiry Time, specify the number of seconds the VLAN should wait to
receive a query before it is removed from the list of VLANs with multicast routers attached.
9.
Click
Add
.
To disable MLD snooping on a VLAN:
1.
Select the check box next to each VLAN on which MLD snooping should be disabled.
2.
Click
Delete
.
Multicast Router Configuration
In addition to building and maintaining lists of multicast group memberships, the Snooping
switch also maintains a list of multicast routers. When forwarding multicast packets, they
should be forwarded on ports that have joined using MLD/IGMP and also on ports on which
multicast routers are attached. In MLD/IGMP, there is only one active querier. This means
that all other routers on the network are suppressed and are not detectable by the switch. If a
query is not received on an interface within a specified length of time (multicast router present
expiration time), then that interface is removed from the list of interfaces with multicast
routers attached. The multicast router present expiration time is configurable via
management. The default value for the multicast router expiration time is zero, which
indicates an infinite time-out, that is, no expiration.
To configure the Multicast Router:
1.
Select
Snooping
Multicast Router Configuration
.