Dell C1048P Port Extender Networking Configuration Guide for the C9000 Series - Page 858
Example of Viewing a Monitoring Session, Dell Networking OS Behavior
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Example of Viewing a Monitoring Session Given these parameters, the following illustration shows the possible port monitoring configurations on the switch. Figure 110. Port Monitoring Configurations Dell Networking OS Behavior: All monitored frames are tagged if the configured monitoring direction is egress (TX), regardless of whether the monitored port (MD) is a Layer 2 or Layer 3 port. If the MD port is a Layer 2 port, the frames are tagged with the VLAN ID of the VLAN to which the MD belongs. If the MD port is a Layer 3 port, the frames are tagged with VLAN ID 4095. If the MD port is in a Layer 3 VLAN, the frames are tagged with the respective Layer 3 VLAN ID. For example, in the configuration source PeGi 255/0/0 destination TenGigabitEthernet 0/23 direction tx, if the MD port PeGi 255/0/0 is an untagged member of any VLAN, all monitored frames that the MG port PeGi 255/0/0 receives are tagged with the VLAN ID of the MD port. Similarly, if BPDUs are transmitted, the MG port receives them tagged with the VLAN ID 4095. This behavior might result in a difference between the number of egress packets on the MD port and monitored packets on the MG port. Dell Networking OS Behavior: The platform continues to mirror outgoing traffic even after an MD participating in spanning tree protocol (STP) transitions from the forwarding to blocking. Important Points to Remember • The destination interface should have no configurations except shutdown and no shutdown. By default, the "no ip address" must be present. A MG/ destination port cannot be a member of a VLAN. • The range command is supported in the source command to specify multiple source ports. • You can enter multiple source statements in a monitoring session. A source port can be monitored by more than one destination port. • A destination port can be a physical or port-channel interface, and can be used in multiple sessions. A PE port or a VP lag cannot be configured as a destination port. • A maximum of 4 destination ports are supported per port pipe. For information about port pipes on the switch, see Port-pipes. • Flow-based monitoring is supported on all types of source interfaces. Port Monitoring 858
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1,188
-
1,189
-
1,190
-
1,191
-
1,192
-
1,193
-
1,194
-
1,195
-
1,196
-
1,197
-
1,198
-
1,199
-
1,200
-
1,201
-
1,202
-
1,203
-
1,204
-
1,205
-
1,206
-
1,207
-
1,208
-
1,209
-
1,210
-
1,211
-
1,212
-
1,213
-
1,214
-
1,215
-
1,216
-
1,217
-
1,218
-
1,219
-
1,220
-
1,221
-
1,222
-
1,223
-
1,224
-
1,225
-
1,226
-
1,227
-
1,228
-
1,229
-
1,230
-
1,231
-
1,232
-
1,233
-
1,234
-
1,235
-
1,236
-
1,237
-
1,238
-
1,239
-
1,240
-
1,241
-
1,242
-
1,243
-
1,244
-
1,245
-
1,246
-
1,247
-
1,248
-
1,249
-
1,250
-
1,251