07-23-2024 06:32 PM
In Cisco SD WAN how to check the IPSec tunnel up time. Means I want to know when the IPSec tunnel was established and how long the tunnel is up.
What are the commands I can use to check it ?
07-23-2024 07:16 PM
Any help - Inputs
07-23-2024 10:49 PM
Hi @RS19
In Cisco SD-WAN the WAN Edge routers securely communicate to other WAN Edge routers using IPsec tunnels over each transport. BFD protocol is enable by default and runs over each os these tunnels, detecting loss, latency, jitter and path failures.
You can check this using the following command:
vEdge20# show bfd sessions | tab
SRC DST SITE DETECT TX
SRC IP DST IP PROTO PORT PORT SYSTEM IP ID LOCAL COLOR COLOR STATE MULTIPLIER INTERVAL UPTIME TRANSITIONS
----------------------------------------------------------------------------------------------------------------------------------------------------
10.0.0.20 10.0.0.10 ipsec 12346 12346 192.168.0.10 10 mpls mpls up 7 1000 0:00:00:02 0
200.0.0.20 10.0.0.10 ipsec 12346 12346 192.168.0.10 10 biz-internet mpls up 7 1000 0:00:00:07 0
10.0.0.20 10.0.0.30 ipsec 12346 12346 192.168.0.30 30 mpls mpls up 7 1000 0:00:13:55 0
10.0.0.20 200.0.0.31 ipsec 12346 5062 192.168.0.30 30 mpls biz-internet up 7 1000 0:00:13:02 0
200.0.0.20 10.0.0.30 ipsec 12346 12346 192.168.0.30 30 biz-internet mpls up 7 1000 0:00:13:04 0
200.0.0.20 200.0.0.31 ipsec 12346 5062 192.168.0.30 30 biz-internet biz-internet up 7 1000 0:00:13:39 0
Best regards
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07-24-2024 12:13 AM
Thanks. Does it means if the bfd is down, it also means IPSec is down ?
07-24-2024 06:28 AM
I already mention this command in your previous post' and sure SDWAN bfd use to detect peer if peer is not reachable then IPsec or GRE will be down.
MHM
07-24-2024 06:25 AM
Yes, BFD is used inside IPsec tunnels between all WAN Edges.
Best regards
******* If This Helps, Please Rate *******
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