What language(s) are you using gRPC with? In any case, it will be very hard for us to help with such an old version; is there any way for you to update it?
On Wednesday, November 28, 2018 at 6:37:25 AM UTC-8, Pramma wrote: > > > While analysing tcpdump of gRPC comm between our client (restricted env, > on a network device) to server, i find following behaviour. In SSL npn > negotiation, it negotiated for "h2", but in actual grpc packet, Application > Data Protocol says 'Application Data' instead of 'http2'. > > > I compared another tcpdump from diff client (not a network device, on a > ubuntu), SSL npn negotiation happened for h2 and packet header had, > Application Data Protocol: http2 > > > So i want to understand which is the fallback protocol grpc client might > have used to send the actual grpc data after negotiating for h2? > > I am concerned because in this restricted env (network device), grpc fails > intermittently. Note i am using gRPC 1.0.0. and i cannot change it for now. > > > Is grpc relying on any external took for h2 support?? In both these cases, > i used gRPC 1.0.0. 1st client seems not capable of sending h2 at least as > per this dump. > > Any help will be appreciated > -- You received this message because you are subscribed to the Google Groups "grpc.io" group. To unsubscribe from this group and stop receiving emails from it, send an email to grpc-io+unsubscr...@googlegroups.com. To post to this group, send email to grpc-io@googlegroups.com. Visit this group at https://groups.google.com/group/grpc-io. To view this discussion on the web visit https://groups.google.com/d/msgid/grpc-io/cc647874-86f3-4a8b-a360-7c8ac4f28d79%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.