3com 8807 User Guide

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Expansion session is abnormal: verify that the commands used to configure the 
expansion session are executed on both ends, and the configurations are all 
right.

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The interface of the private VLAN is not bound with the corresponding VPLS 
instance, or is DOWN: make sure the interface is UP, or the PW to the UPE is UP.

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The parameters for the peer or the MTU value of the VPLS instance is 
inconsistent: verify that the MTU value configured for the VPLS instance is 
consistent on both end, and the VC-ID and transmission mode for the peer is 
also consistent.

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The VPLS service processor card is not in Normal state: make sure that VPLS 
service processor card is in Normal state.

Symptom 2: Packets cannot be forwarded.

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The service processor card is not in place: use the display device command to 
verify that the service processor card is in Normal state.

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The service processor card version is inconsistent with the SRP version: verify 
the service processor card version.

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The flow template and redirection are not correctly configured on the public 
side: verify the port for the public network is correctly configured.

Symptom 3: Packets get lost during the course of forwarding

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Traffic exceeds VPN bandwidth restriction: Increase the VPN bandwidth.

Broadcast/multicast/unicast traffic exceeds the bandwidth set by broadcast 
suppression ratio: Modify the broadcast suppression ratio and verify by checking 
the broadcast suppression of the VPN and the broadcast traffic within the VPN.