diff --git a/src/codex.bash b/src/codex.bash
index 97961a4..06d6bf3 100644
--- a/src/codex.bash
+++ b/src/codex.bash
@@ -102,7 +102,9 @@ cdx_get_spr() {
 }
 
 cdx_launch_node() {
-  _cdx_ensure_outputs 0 || return 1
+  local node_index="$1"
+
+  _cdx_ensure_outputs "${node_index}" || return 1
 
   local codex_cmd
   codex_cmd=$(cdx_cmdline "$@") || return 1
@@ -112,9 +114,19 @@ cdx_launch_node() {
     pm_job_exit $?
   )&
   pm_track_last_job
-  _cdx_pids[$1]=$!
+  _cdx_pids[$node_index]=$!
 
-  cdx_ensure_ready "$@"
+  cdx_ensure_ready "$node_index"
+}
+
+cdx_launch_network() {
+  local node_count="$1" bootstrap_spr
+  cdx_launch_node 0 || return 1
+  bootstrap_spr=$(cdx_get_spr 0) || return 1
+  for i in $(seq 1 "$node_count"); do
+    cdx_launch_node "$i" "--bootstrap-node" "$bootstrap_spr" || return 1
+  done
+  return 0
 }
 
 cdx_pid() {
diff --git a/src/utils.bash b/src/utils.bash
index 3405f02..fa8e3bd 100644
--- a/src/utils.bash
+++ b/src/utils.bash
@@ -38,6 +38,13 @@ await() {
   return 0
 }
 
+await_all() {
+  local pids=("$@") timeout=${2:-30}
+  for pid in "${pids[@]}"; do
+    await "$pid" "$timeout" || return 1
+  done
+}
+
 sha1() {
   sha1sum "$1" | cut -d ' ' -f 1 || return 1
 }
\ No newline at end of file
diff --git a/test/test_codex.bats b/test/test_codex.bats
index 4a08348..27999a6 100755
--- a/test/test_codex.bats
+++ b/test/test_codex.bats
@@ -121,6 +121,28 @@ setup() {
   pm_stop
 }
 
+@test "should launch a Codex network and allow uploading and downloading" {
+  pm_start
+
+  assert cdx_launch_network 5
+
+  filename=$(cdx_generate_file 10)
+  cid=$(cdx_upload_file 0 "$filename")
+
+  handles=()
+  for i in {1..4}; do
+    handles+=($(cdx_download_file_async "$i" "$cid"))
+  done
+
+  assert await_all "${handles[@]}"
+
+  for i in {1..4}; do
+    assert cdx_check_download 0 "$i" "$cid"
+  done
+
+  pm_stop
+}
+
 teardown() {
   clh_clear_outputs
 }
\ No newline at end of file