Hello team what is the course for the BGP not form neighbor between HQ and branch
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hello team we found the solution
1. there is a filter in our BGP which lets the BGP not form
2. the interface used in VPN tunnel is wrong, so we changed the interface
3. the pre-shared key for the VPN does not match so we changed
Hello @aidnet ,
Please refer to the BGP section for troubleshooting below:
https://community.fortinet.com/t5/FortiGate/Troubleshooting-Tip-FortiOS-routing-RIP-OSPF-BGP-static-...
Generally, the first step is verifying packets over port 179 are being exchanged between the Hub and Branch. Once there is bi-directional traffic flow, collecting the BGP debugs should provide further insights.
Kind Regards,
we are facing an issue with the Overlay network is not up for BGP ... it shows never active
Created on 07-15-2024 07:25 AM Edited on 07-15-2024 07:28 AM
Hi @aidnet ,
Is it iBGP or eBGP?
Can the two BGP neighbors ping each other? Is there a static route (or a valid dynamic route) between the two BGP peers?
Please check the following article:
https://community.fortinet.com/t5/FortiGate/Technical-Tip-Configuring-IBGP-and-EBGP-neighborship/ta-...
If it is eBGP and they are not directly connected (same subnet), you may need to enable the ebgp-enforce-multihop setting (https://community.fortinet.com/t5/FortiGate/Technical-Tip-Configuring-eBGP-MultiHop/ta-p/204898 )
Best regards,
hello team we found the solution
1. there is a filter in our BGP which lets the BGP not form
2. the interface used in VPN tunnel is wrong, so we changed the interface
3. the pre-shared key for the VPN does not match so we changed
Hi @aidnet ,
Thank you for letting us know. I am glad that you have managed to resolve the issue.
Have a great day and week!
Best regards,
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