diff --git a/src/vnet/tcp/tcp.h b/src/vnet/tcp/tcp.h
index 361abe2..30c95a4 100644
--- a/src/vnet/tcp/tcp.h
+++ b/src/vnet/tcp/tcp.h
@@ -559,8 +559,11 @@
   /* Max timers to be handled per dispatch loop */
   u32 max_timers_per_loop;
 
-  /** tx frames for ip 4/6 lookup nodes */
-  vlib_frame_t *ip_lookup_tx_frames[2];
+  /** Session layer edge indices to tcp output */
+  u32 tco_next_node[2];
+
+  /* Fifo of pending timer expirations */
+  u32 *pending_timers;
 
     CLIB_CACHE_LINE_ALIGN_MARK (cacheline1);
 
@@ -570,9 +573,6 @@
   /** tx buffer free list */
   u32 *tx_buffers;
 
-  /* Fifo of pending timer expirations */
-  u32 *pending_timers;
-
   /* fifo of pending free requests */
   tcp_cleanup_req_t *pending_cleanups;
 
@@ -679,6 +679,9 @@
   /** vlib buffer size */
   u32 bytes_per_buffer;
 
+  /** Session layer edge indices to ip lookup (syns, rst) */
+  u32 ipl_next_node[2];
+
   /** Dispatch table by state and flags */
   tcp_lookup_dispatch_t dispatch_table[TCP_N_STATES][64];