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January 24th, 2025 08:39
RSPAN Configuration in OS10 - S5224F-ON
HI Team,
Below are my topology , i need configure RSPAN to capture different vlan traffic. Below configuration in dell swicth. When i trying to packet capture its not working.
In VMware required configuration done. But its still same issue.
Note : We dont have deliciated link to packet capture. Need use exsisting link.
Span Configuration
interface vlan104
no shutdown
remote-span
monitor session 1 type rpm-source
destination remote-vlan 104
source interface vlan51 rx
source interface vlan100 rx
no shut
interface ethernet1/1/3:1
no shutdown
switchport mode trunk
switchport trunk allowed vlan 15,51-52,104
flowcontrol receive off
sflow enable
Please suggest 
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DELL-Chris H
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January 24th, 2025 15:35
From your configuration, I notice a few potential issues:
1. You've defined the monitor session 1 type as rpm-source, which is correct for RSPAN. However, you might need to specify the destination remote VLAN as the VLAN number (e.g., destination remote-vlan 104) at the end of the monitor session 1 command.
2. You've specified source interface vlan51 rx and source interface vlan100 rx, which means you're capturing traffic from both VLANs, but only receiving (rx) packets. Make sure you're capturing the desired direction (tx or rx) for each VLAN.
3. The interface ethernet1/1/3:1 configuration looks correct, as it's set to trunk mode and allows VLANs 15, 51-52, and 104.
Now with this, I recommend checking the following:
*Verify that the monitor session 1 is enabled (no shut) and configured correctly.
*Ensure that the VLANs 51 and 100 are properly configured on the switch and that the traffic is flowing correctly.
*Check the link status of Ethernet 1/1/3:1 to ensure it's up and operational.
*Verify that the VMware configuration is correct and that the RSPAN session is properly configured.
*You can also try capturing traffic using a different VLAN or interface to isolate the issue.
Let me know what you see and if this helps.
Sureshbabu V
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January 27th, 2025 05:52
@DELL-Chris H I have tried to configure destination vlan last of the monitor session. But its taking first line the in the monitor session. Might be its taking as per naming order.
Also trying change capture direction. But its visiable rx only.
(conf-mon-rpm-source-2)# source interface vlan51
rx Direction of monitored ports
<cr>
kindly suggest
DELL-Chris H
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January 27th, 2025 15:51
Would you confirm what happens if you do the steps in remote port monitoring, found on page 742 here?