diff --git a/repos/dde_ipxe/src/drivers/nic/main.cc b/repos/dde_ipxe/src/drivers/nic/main.cc
index fc2e494e3..aa574f130 100644
--- a/repos/dde_ipxe/src/drivers/nic/main.cc
+++ b/repos/dde_ipxe/src/drivers/nic/main.cc
@@ -104,7 +104,8 @@ class Ipxe_session_component  : public Nic::Session_component
 		                       Genode::size_t const rx_buf_size,
 		                       Genode::Allocator   &rx_block_md_alloc,
 		                       Genode::Env         &env)
-		: Session_component(tx_buf_size, rx_buf_size, rx_block_md_alloc, env)
+		: Session_component(tx_buf_size, rx_buf_size, Genode::CACHED,
+		                    rx_block_md_alloc, env)
 		{
 			instance = this;
 
diff --git a/repos/dde_linux/src/drivers/nic/fec/component.cc b/repos/dde_linux/src/drivers/nic/fec/component.cc
index cbe1623c4..db7a41480 100644
--- a/repos/dde_linux/src/drivers/nic/fec/component.cc
+++ b/repos/dde_linux/src/drivers/nic/fec/component.cc
@@ -174,7 +174,8 @@ Session_component::Session_component(Genode::size_t const  tx_buf_size,
                                      Genode::Allocator &   rx_block_md_alloc,
                                      Genode::Env &         env,
                                      Genode::Session_label label)
-: Nic::Session_component(tx_buf_size, rx_buf_size, rx_block_md_alloc, env),
+: Nic::Session_component(tx_buf_size, rx_buf_size, Genode::CACHED,
+                         rx_block_md_alloc, env),
   _ndev(_register_session_component(*this, label)),
   _has_link(_ndev ? !(_ndev->state & (1UL << __LINK_STATE_NOCARRIER)) : false)
 {
diff --git a/repos/dde_linux/src/drivers/usb_net/component.cc b/repos/dde_linux/src/drivers/usb_net/component.cc
index cbe1623c4..6bb4ae1d5 100644
--- a/repos/dde_linux/src/drivers/usb_net/component.cc
+++ b/repos/dde_linux/src/drivers/usb_net/component.cc
@@ -174,7 +174,7 @@ Session_component::Session_component(Genode::size_t const  tx_buf_size,
                                      Genode::Allocator &   rx_block_md_alloc,
                                      Genode::Env &         env,
                                      Genode::Session_label label)
-: Nic::Session_component(tx_buf_size, rx_buf_size, rx_block_md_alloc, env),
+: Nic::Session_component(tx_buf_size, rx_buf_size, Genode::CACHED, rx_block_md_alloc, env),
   _ndev(_register_session_component(*this, label)),
   _has_link(_ndev ? !(_ndev->state & (1UL << __LINK_STATE_NOCARRIER)) : false)
 {
diff --git a/repos/dde_linux/src/lib/usb/include/usb_nic_component.h b/repos/dde_linux/src/lib/usb/include/usb_nic_component.h
index 97ed48425..11ed11ff4 100644
--- a/repos/dde_linux/src/lib/usb/include/usb_nic_component.h
+++ b/repos/dde_linux/src/lib/usb/include/usb_nic_component.h
@@ -188,7 +188,8 @@ class Usb_nic::Session_component : public Nic::Session_component
 		                  Genode::Allocator   &rx_block_md_alloc,
 		                  Genode::Env         &env,
 		                  Device *device)
-		: Nic::Session_component(tx_buf_size, rx_buf_size, rx_block_md_alloc, env),
+		: Nic::Session_component(tx_buf_size, rx_buf_size, Genode::CACHED,
+		                         rx_block_md_alloc, env),
 			_device(device)
 			{ _device->session(this); }
 
diff --git a/repos/dde_linux/src/lib/wifi/nic.cc b/repos/dde_linux/src/lib/wifi/nic.cc
index 368db2b60..c95a657de 100644
--- a/repos/dde_linux/src/lib/wifi/nic.cc
+++ b/repos/dde_linux/src/lib/wifi/nic.cc
@@ -181,7 +181,8 @@ class Wifi_session_component : public Nic::Session_component
 		                       Genode::size_t const rx_buf_size,
 		                       Genode::Allocator   &rx_block_md_alloc,
 		                       Genode::Env  &env, net_device *ndev)
-		: Session_component(tx_buf_size, rx_buf_size, rx_block_md_alloc, env),
+		: Session_component(tx_buf_size, rx_buf_size, Genode::CACHED,
+		                    rx_block_md_alloc, env),
 		  _ndev(ndev)
 		{
 			_ndev->lx_nic_device = this;
diff --git a/repos/os/include/nic/component.h b/repos/os/include/nic/component.h
index 50e09beab..d034d88dc 100644
--- a/repos/os/include/nic/component.h
+++ b/repos/os/include/nic/component.h
@@ -34,15 +34,16 @@ class Nic::Communication_buffers
 		Nic::Packet_allocator          _rx_packet_alloc;
 		Genode::Attached_ram_dataspace _tx_ds, _rx_ds;
 
-		Communication_buffers(Genode::Allocator     &rx_block_md_alloc,
-		                      Genode::Ram_allocator &ram,
-		                      Genode::Region_map    &region_map,
-		                      Genode::size_t         tx_size,
-		                      Genode::size_t         rx_size)
+		Communication_buffers(Genode::Allocator      &rx_block_md_alloc,
+		                      Genode::Ram_allocator  &ram,
+		                      Genode::Region_map     &region_map,
+		                      Genode::size_t          tx_size,
+		                      Genode::size_t          rx_size,
+		                      Genode::Cache_attribute cache_policy)
 		:
 			_rx_packet_alloc(&rx_block_md_alloc),
-			_tx_ds(ram, region_map, tx_size),
-			_rx_ds(ram, region_map, rx_size)
+			_tx_ds(ram, region_map, tx_size, cache_policy),
+			_rx_ds(ram, region_map, rx_size, cache_policy)
 		{ }
 };
 
@@ -91,13 +92,14 @@ class Nic::Session_component : Communication_buffers, public Session_rpc_object
 		 *                           resources and open connections from
 		 *                           within the Session_component
 		 */
-		Session_component(Genode::size_t const tx_buf_size,
-		                  Genode::size_t const rx_buf_size,
-		                  Genode::Allocator   &rx_block_md_alloc,
-		                  Genode::Env         &env)
+		Session_component(Genode::size_t const    tx_buf_size,
+		                  Genode::size_t const    rx_buf_size,
+		                  Genode::Cache_attribute cache_policy,
+		                  Genode::Allocator      &rx_block_md_alloc,
+		                  Genode::Env            &env)
 		:
 			Communication_buffers(rx_block_md_alloc, env.ram(), env.rm(),
-			                      tx_buf_size, rx_buf_size),
+			                      tx_buf_size, rx_buf_size, cache_policy),
 			Session_rpc_object(env.rm(),
 			                   _tx_ds.cap(),
 			                   _rx_ds.cap(),
@@ -123,14 +125,15 @@ class Nic::Session_component : Communication_buffers, public Session_rpc_object
 		 *                           within the Session_component
 		 * \param ep                 entrypoint for RPC
 		 */
-		Session_component(Genode::size_t const tx_buf_size,
-		                  Genode::size_t const rx_buf_size,
-		                  Genode::Allocator   &rx_block_md_alloc,
-		                  Genode::Env         &env,
-		                  Genode::Entrypoint  &ep)
+		Session_component(Genode::size_t const    tx_buf_size,
+		                  Genode::size_t const    rx_buf_size,
+		                  Genode::Cache_attribute cache_policy,
+		                  Genode::Allocator      &rx_block_md_alloc,
+		                  Genode::Env            &env,
+		                  Genode::Entrypoint     &ep)
 		:
 			Communication_buffers(rx_block_md_alloc, env.ram(), env.rm(),
-			                      tx_buf_size, rx_buf_size),
+			                      tx_buf_size, rx_buf_size, cache_policy),
 			Session_rpc_object(env.rm(),
 			                   _tx_ds.cap(),
 			                   _rx_ds.cap(),
diff --git a/repos/os/src/drivers/nic/spec/linux/main.cc b/repos/os/src/drivers/nic/spec/linux/main.cc
index 7393b4033..cdacb78a7 100644
--- a/repos/os/src/drivers/nic/spec/linux/main.cc
+++ b/repos/os/src/drivers/nic/spec/linux/main.cc
@@ -208,7 +208,7 @@ class Linux_session_component : public Nic::Session_component
 		                        Genode::Allocator   &rx_block_md_alloc,
 		                        Server::Env         &env)
 		:
-			Session_component(tx_buf_size, rx_buf_size, rx_block_md_alloc, env),
+			Session_component(tx_buf_size, rx_buf_size, Genode::CACHED, rx_block_md_alloc, env),
 			_config_rom(env, "config"),
 			_tap_fd(_setup_tap_fd()), _rx_thread(env, _tap_fd, _packet_stream_dispatcher)
 		{
diff --git a/repos/os/src/drivers/nic/spec/pbxa9/lan9118.h b/repos/os/src/drivers/nic/spec/pbxa9/lan9118.h
index 7ad3084fd..485e601d1 100644
--- a/repos/os/src/drivers/nic/spec/pbxa9/lan9118.h
+++ b/repos/os/src/drivers/nic/spec/pbxa9/lan9118.h
@@ -309,7 +309,8 @@ class Lan9118 : public Nic::Session_component
 		        Genode::size_t const rx_buf_size,
 		        Genode::Allocator   &rx_block_md_alloc,
 		        Genode::Env         &env)
-		: Session_component(tx_buf_size, rx_buf_size, rx_block_md_alloc, env),
+		: Session_component(tx_buf_size, rx_buf_size, Genode::CACHED,
+		                    rx_block_md_alloc, env),
 		  _mmio(env, mmio_base, mmio_size),
 		  _reg_base(_mmio.local_addr<Genode::uint32_t>()),
 		  _timer(env),
diff --git a/repos/os/src/drivers/nic/spec/zynq/hw/cadence_gem.h b/repos/os/src/drivers/nic/spec/zynq/hw/cadence_gem.h
index e9a283ef4..639d4fae9 100644
--- a/repos/os/src/drivers/nic/spec/zynq/hw/cadence_gem.h
+++ b/repos/os/src/drivers/nic/spec/zynq/hw/cadence_gem.h
@@ -598,7 +598,8 @@ namespace Genode
 			            addr_t const base, size_t const size, const int irq)
 			:
 				Genode::Attached_mmio(env, base, size),
-				Session_component(tx_buf_size, rx_buf_size, rx_block_md_alloc, env),
+				Session_component(tx_buf_size, rx_buf_size, Genode::CACHED,
+				                  rx_block_md_alloc, env),
 				_timer(env),
 				_sys_ctrl(env, _timer),
 				_tx_buffer(env, *_tx.sink(), _timer),
diff --git a/repos/os/src/server/nic_loopback/main.cc b/repos/os/src/server/nic_loopback/main.cc
index 69fef25de..130ec9f21 100644
--- a/repos/os/src/server/nic_loopback/main.cc
+++ b/repos/os/src/server/nic_loopback/main.cc
@@ -47,8 +47,8 @@ class Nic_loopback::Session_component : public Nic::Session_component
 		                  Allocator   &rx_block_md_alloc,
 		                  Env         &env)
 		:
-			Nic::Session_component(tx_buf_size, rx_buf_size, rx_block_md_alloc,
-			                       env)
+			Nic::Session_component(tx_buf_size, rx_buf_size, CACHED,
+			                       rx_block_md_alloc, env)
 		{ }
 
 		Nic::Mac_address mac_address() override
diff --git a/repos/ports/src/app/openvpn/main.cc b/repos/ports/src/app/openvpn/main.cc
index ee8f4ad96..4033a7687 100644
--- a/repos/ports/src/app/openvpn/main.cc
+++ b/repos/ports/src/app/openvpn/main.cc
@@ -134,7 +134,8 @@ class Openvpn_component : public Tuntap_device,
 		                  Genode::size_t const rx_buf_size,
 		                  Genode::Allocator   &rx_block_md_alloc,
 		                  Genode::Env         &env)
-		: Session_component(tx_buf_size, rx_buf_size, rx_block_md_alloc, env)
+		: Session_component(tx_buf_size, rx_buf_size, Genode::CACHED,
+		                    rx_block_md_alloc, env)
 		{
 			char buf[] = { 0x02, 0x00, 0x00, 0x00, 0x00, 0x01 };
 			_mac_addr = Nic::Mac_address((void*)buf);