What should I do if RLDP does not work on my Ruijie S2915-24GT4MS-P-L?
When RLDP does not work on Ruijie Switch, please follow these steps to do troubleshooting first. In this case, we will take Ruijie S2915-24GT4MS-P-L as an example.1. Please check if RLDP is enabled or not correctly on Ruijie Switch.
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2. log in to the CLI of Ruijie Switch via console or telnet, and check the loop port setting by using this command:
show rldp interface GigabitEthernet 0/19
show rldp interface GigabitEthernet 0/23
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3. Check the RLDP status of the loop switchports by using this command:
show rldp interface GigabitEthernet 0/19
show rldp interface GigabitEthernet 0/23
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4. If you connect a loop, but the status you got in the previous step shows normal. Then please check if you configure STP/RSTP/MSTP on your Ruijie Switch or not.
If there is a port blocked by STP, please turn off the STP function and test RLDP again.
You can type this command to verify the STP status: show spanning-tree summary
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Note:
RLDP does not consider a loop when it receives a loop message from this switch in the following cases:
① Assume that the loop is caused by routing ports. For example, ports 0/2 and 0/16 are both routing ports, or one is a routing port and the other is a switchport.
② Assume that the loop is caused by two ports belonging to different vlan, or the allowed vlan list of trunk port is not the same, such as 0/2 port and 0/16 are both switch ports, but belong to different vlan.
③ Assume that Ruijie Switch has enabled the STP already. Please be minded that STP and RLDP can't work together. Because there is a loop that occurs on Ruijie Switch, STP will first detect the existence of the loop and BLOCK one of the ports. At this time RLDP does not consider that a loop has occurred.
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