02-25-2020 12:21 PM
Hello, Recently we have been facing issues where traffic over IPSEC tunnel towards AWS is very slow. when downloading a file ( over SCP) getting less than 100KB/s from a resource in AWS over ipsec tunnel. Didn't had this issues for months but it started recently. Phase1 and 2 are established. Tunnel interface MTUs are also same. Any idea where to look at?
Another Firewall (PAs) in another region connect to same resource in AWS over ipsec and I'm getting 25-30MB/s.
02-26-2020 12:57 AM
have you doneany troubleshooting? are you seeing fragmentation or any particular error or 'strange' counter in global counters ?
02-27-2020 04:31 AM
Check for MTU issues like counters with MTU exceeded .We have set it up to 1427.
02-29-2020 10:19 AM
Has this problem been resolved. If the problem is not resolved, let us know and we can help.
As others have suggested , a packet capture would be a good place to start . If the Packet capture does not help, if you open a ticket with TAC , we can help take a deeper look into what is going on.
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