On Mon, Sep 29, 2025 at 7:22 AM Prathish Elango <[email protected]>
wrote:

> BUT I dont see the reverse of this in my server logs. It has also io.grpc
> trace logs enabled. I don't see the INBOUND PING with ack=false and
> OUTBOUND PING with ack=true in my server logs
>
> And I don't see GO_AWAY also if permitkeepalive threshold is greater than
> my keepalive time.
>

That's because the keepalive is limited to the HTTP/2 connection. It can go
through L4/TCP proxies, but Istio will have an L7 proxy. So you're doing
keepalive between the client and the sidecar. For what are you wanting to
use keepalive?

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