agent (Net::SSH::Service::Forward)

         # File lib/net/ssh/service/forward.rb, line 176
    176:     def agent(channel)
    177:       return if @agent_forwarded
    178:       @agent_forwarded = true
    179:
    180:       channel.send_channel_request("auth-agent-req@openssh.com") do |achannel, success|
    181:         if success
    182:           debug { "authentication agent forwarding is active" }
    183:         else
    184:           achannel.send_channel_request("auth-agent-req") do |a2channel, success2|
    185:             if success2
    186:               debug { "authentication agent forwarding is active" }
    187:             else
    188:               error { "could not establish forwarding of authentication agent" }
    189:             end
    190:           end
    191:         end
    192:       end
    193:     end