diff --git a/Cargo.lock b/Cargo.lock
index 3155994cc..9aee3c968 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -135,6 +135,7 @@ name = "aster-network"
 version = "0.1.0"
 dependencies = [
  "align_ext",
+ "aster-bigtcp",
  "aster-rights",
  "aster-util",
  "bitflags 1.3.2",
@@ -143,7 +144,6 @@ dependencies = [
  "int-to-c-enum",
  "log",
  "ostd",
- "smoltcp",
  "spin 0.9.8",
 ]
 
@@ -247,6 +247,7 @@ name = "aster-virtio"
 version = "0.1.0"
 dependencies = [
  "align_ext",
+ "aster-bigtcp",
  "aster-block",
  "aster-console",
  "aster-input",
@@ -261,7 +262,6 @@ dependencies = [
  "int-to-c-enum",
  "log",
  "ostd",
- "smoltcp",
  "spin 0.9.8",
  "typeflags-util",
 ]
diff --git a/kernel/comps/network/Cargo.toml b/kernel/comps/network/Cargo.toml
index 0b2abb295..1c2ece6dd 100644
--- a/kernel/comps/network/Cargo.toml
+++ b/kernel/comps/network/Cargo.toml
@@ -9,24 +9,11 @@ edition = "2021"
 align_ext = { path = "../../../ostd/libs/align_ext" }
 aster-util = { path = "../../libs/aster-util" }
 aster-rights = { path = "../../libs/aster-rights" }
+aster-bigtcp = { path = "../../libs/aster-bigtcp" }
 bitflags = "1.3"
 bitvec = { version = "1.0.1", default-features = false, features = ["alloc"] }
 component = { path = "../../libs/comp-sys/component" }
 int-to-c-enum = { path = "../../libs/int-to-c-enum" }
 log = "0.4"
 ostd = { path = "../../../ostd" }
-smoltcp = { git = "https://github.com/smoltcp-rs/smoltcp", rev = "dc08e0b", default-features = false, features = [
-    "alloc",
-    "log",
-    "medium-ethernet",
-    "medium-ip",
-    "proto-dhcpv4",
-    "proto-ipv4",
-    "proto-igmp",
-    "socket-icmp",
-    "socket-udp",
-    "socket-tcp",
-    "socket-raw",
-    "socket-dhcpv4",
-] }
 spin = "0.9.4"
diff --git a/kernel/comps/network/src/driver.rs b/kernel/comps/network/src/driver.rs
index 688841d13..5dcee6049 100644
--- a/kernel/comps/network/src/driver.rs
+++ b/kernel/comps/network/src/driver.rs
@@ -2,12 +2,12 @@
 
 use alloc::vec;
 
+use aster_bigtcp::{device, time::Instant};
 use ostd::mm::VmWriter;
-use smoltcp::{phy, time::Instant};
 
 use crate::{buffer::RxBuffer, AnyNetworkDevice};
 
-impl phy::Device for dyn AnyNetworkDevice {
+impl device::Device for dyn AnyNetworkDevice {
     type RxToken<'a> = RxToken;
     type TxToken<'a> = TxToken<'a>;
 
@@ -28,13 +28,13 @@ impl phy::Device for dyn AnyNetworkDevice {
         }
     }
 
-    fn capabilities(&self) -> phy::DeviceCapabilities {
+    fn capabilities(&self) -> device::DeviceCapabilities {
         self.capabilities()
     }
 }
 pub struct RxToken(RxBuffer);
 
-impl phy::RxToken for RxToken {
+impl device::RxToken for RxToken {
     fn consume<R, F>(self, f: F) -> R
     where
         F: FnOnce(&[u8]) -> R,
@@ -48,7 +48,7 @@ impl phy::RxToken for RxToken {
 
 pub struct TxToken<'a>(&'a mut dyn AnyNetworkDevice);
 
-impl<'a> phy::TxToken for TxToken<'a> {
+impl<'a> device::TxToken for TxToken<'a> {
     fn consume<R, F>(self, len: usize, f: F) -> R
     where
         F: FnOnce(&mut [u8]) -> R,
diff --git a/kernel/comps/network/src/lib.rs b/kernel/comps/network/src/lib.rs
index 4fb8ab421..b4d3855c7 100644
--- a/kernel/comps/network/src/lib.rs
+++ b/kernel/comps/network/src/lib.rs
@@ -15,6 +15,7 @@ extern crate alloc;
 use alloc::{collections::BTreeMap, string::String, sync::Arc, vec::Vec};
 use core::{any::Any, fmt::Debug};
 
+use aster_bigtcp::device::DeviceCapabilities;
 pub use buffer::{RxBuffer, TxBuffer, RX_BUFFER_POOL, TX_BUFFER_POOL};
 use component::{init_component, ComponentInitError};
 pub use dma_pool::DmaSegment;
@@ -22,7 +23,6 @@ use ostd::{
     sync::{LocalIrqDisabled, SpinLock},
     Pod,
 };
-use smoltcp::phy;
 use spin::Once;
 
 #[derive(Debug, Clone, Copy, Pod)]
@@ -40,7 +40,7 @@ pub trait AnyNetworkDevice: Send + Sync + Any + Debug {
     // ================Device Information=================
 
     fn mac_addr(&self) -> EthernetAddr;
-    fn capabilities(&self) -> phy::DeviceCapabilities;
+    fn capabilities(&self) -> DeviceCapabilities;
 
     // ================Device Operation===================
 
diff --git a/kernel/comps/virtio/Cargo.toml b/kernel/comps/virtio/Cargo.toml
index c2c6890f2..a287ac166 100644
--- a/kernel/comps/virtio/Cargo.toml
+++ b/kernel/comps/virtio/Cargo.toml
@@ -16,6 +16,7 @@ aster-network = { path = "../network" }
 aster-console = { path = "../console" }
 aster-util = { path = "../../libs/aster-util" }
 aster-rights = { path = "../../libs/aster-rights" }
+aster-bigtcp = { path = "../../libs/aster-bigtcp" }
 id-alloc = { path = "../../../ostd/libs/id-alloc" }
 typeflags-util = { path = "../../libs/typeflags-util" }
 ostd = { path = "../../../ostd" }
@@ -23,17 +24,3 @@ component = { path = "../../libs/comp-sys/component" }
 log = "0.4"
 bit_field = "0.10.1"
 int-to-c-enum = { path = "../../libs/int-to-c-enum" }
-smoltcp = { git = "https://github.com/smoltcp-rs/smoltcp", rev = "dc08e0b", default-features = false, features = [
-    "alloc",
-    "log",
-    "medium-ethernet",
-    "medium-ip",
-    "proto-dhcpv4",
-    "proto-ipv4",
-    "proto-igmp",
-    "socket-icmp",
-    "socket-udp",
-    "socket-tcp",
-    "socket-raw",
-    "socket-dhcpv4",
-] }
diff --git a/kernel/comps/virtio/src/device/network/device.rs b/kernel/comps/virtio/src/device/network/device.rs
index 9d594a374..75f9df9fb 100644
--- a/kernel/comps/virtio/src/device/network/device.rs
+++ b/kernel/comps/virtio/src/device/network/device.rs
@@ -3,6 +3,7 @@
 use alloc::{boxed::Box, string::ToString, sync::Arc};
 use core::{fmt::Debug, hint::spin_loop, mem::size_of};
 
+use aster_bigtcp::device::{DeviceCapabilities, Medium};
 use aster_network::{
     AnyNetworkDevice, EthernetAddr, RxBuffer, TxBuffer, VirtioNetError, RX_BUFFER_POOL,
     TX_BUFFER_POOL,
@@ -10,7 +11,6 @@ use aster_network::{
 use aster_util::slot_vec::SlotVec;
 use log::debug;
 use ostd::{sync::SpinLock, trap::TrapFrame};
-use smoltcp::phy::{DeviceCapabilities, Medium};
 
 use super::{config::VirtioNetConfig, header::VirtioNetHdr};
 use crate::{
diff --git a/kernel/libs/aster-bigtcp/src/device.rs b/kernel/libs/aster-bigtcp/src/device.rs
index 2b0e509e1..f81f5a9eb 100644
--- a/kernel/libs/aster-bigtcp/src/device.rs
+++ b/kernel/libs/aster-bigtcp/src/device.rs
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: MPL-2.0
 
-pub use smoltcp::phy::{Device, Loopback, Medium};
+pub use smoltcp::phy::{Device, DeviceCapabilities, Loopback, Medium, RxToken, TxToken};
 
 /// A trait that allows to obtain a mutable reference of [`Device`].
 ///
diff --git a/kernel/libs/aster-bigtcp/src/lib.rs b/kernel/libs/aster-bigtcp/src/lib.rs
index ef6a3be6f..af145ccd3 100644
--- a/kernel/libs/aster-bigtcp/src/lib.rs
+++ b/kernel/libs/aster-bigtcp/src/lib.rs
@@ -18,6 +18,7 @@ pub mod device;
 pub mod errors;
 pub mod iface;
 pub mod socket;
+pub mod time;
 pub mod wire;
 
 extern crate alloc;
diff --git a/kernel/libs/aster-bigtcp/src/time.rs b/kernel/libs/aster-bigtcp/src/time.rs
new file mode 100644
index 000000000..b5ea52952
--- /dev/null
+++ b/kernel/libs/aster-bigtcp/src/time.rs
@@ -0,0 +1,3 @@
+// SPDX-License-Identifier: MPL-2.0
+
+pub use smoltcp::time::Instant;