diff -up dhcp-4.3.1b1/client/dhclient.c.JwFUZj dhcp-4.3.1b1/client/dhclient.c --- dhcp-4.3.1b1/client/dhclient.c.JwFUZj 2014-07-10 17:38:50.511265091 +0200 +++ dhcp-4.3.1b1/client/dhclient.c 2014-07-10 17:39:16.164901267 +0200 @@ -1281,6 +1281,8 @@ void state_init (cpp) void *cpp; { struct client_state *client = cpp; + enum dhcp_state init_state = client->state; + struct timeval tv; ASSERT_STATE(state, S_INIT); @@ -1293,9 +1295,18 @@ void state_init (cpp) client -> first_sending = cur_time; client -> interval = client -> config -> initial_interval; - /* Add an immediate timeout to cause the first DHCPDISCOVER packet - to go out. */ - send_discover (client); + if (init_state != S_DECLINED) { + /* Add an immediate timeout to cause the first DHCPDISCOVER packet + to go out. */ + send_discover(client); + } else { + /* We've received an OFFER and it has been DECLINEd by dhclient-script. + * wait for a random time between 1 and backoff_cutoff seconds before + * trying again. */ + tv . tv_sec = cur_time + ((1 + (random() >> 2)) % client->config->backoff_cutoff); + tv . tv_usec = 0; + add_timeout(&tv, send_discover, client, 0, 0); + } } /* @@ -1592,6 +1603,7 @@ void bind_lease (client) "try (declined). Exiting."); exit(2); } else { + client -> state = S_DECLINED; state_init(client); return; } @@ -4059,6 +4071,7 @@ void client_location_changed () case S_INIT: case S_REBINDING: case S_STOPPED: + case S_DECLINED: break; } client -> state = S_INIT; diff -up dhcp-4.3.1b1/includes/dhcpd.h.JwFUZj dhcp-4.3.1b1/includes/dhcpd.h --- dhcp-4.3.1b1/includes/dhcpd.h.JwFUZj 2014-07-10 17:38:26.941599360 +0200 +++ dhcp-4.3.1b1/includes/dhcpd.h 2014-07-10 17:38:50.526264878 +0200 @@ -1087,7 +1087,8 @@ enum dhcp_state { S_BOUND = 5, S_RENEWING = 6, S_REBINDING = 7, - S_STOPPED = 8 + S_STOPPED = 8, + S_DECLINED = 9 }; /* Authentication and BOOTP policy possibilities (not all values work