diff --git a/easytier-web/frontend-lib/src/components/Status.vue b/easytier-web/frontend-lib/src/components/Status.vue
index 01c5eb6..d900af2 100644
--- a/easytier-web/frontend-lib/src/components/Status.vue
+++ b/easytier-web/frontend-lib/src/components/Status.vue
@@ -1,7 +1,7 @@
 <script setup lang="ts">
 import { useTimeAgo } from '@vueuse/core'
 import { IPv4 } from 'ip-num/IPNumber'
-import { NetworkInstance, type NodeInfo, type PeerRoutePair } from '../types/network'
+import { NetworkInstance, type TunnelInfo, type NodeInfo, type PeerRoutePair } from '../types/network'
 import { useI18n } from 'vue-i18n';
 import { computed, onMounted, onUnmounted, ref } from 'vue';
 import { ipv4InetToString, ipv4ToString, ipv6ToString } from '../modules/utils';
@@ -106,8 +106,30 @@ function ipFormat(info: PeerRoutePair) {
   return ip ? `${IPv4.fromNumber(ip.address.addr)}/${ip.network_length}` : ''
 }
 
+function oneTunnelProto(tunnel?: TunnelInfo): string {
+  if (!tunnel)
+    return ''
+
+  const local_addr = tunnel.local_addr
+  let isIPv6 = false;
+  if (local_addr?.url) {
+    try {
+      const urlObj = new URL(local_addr.url, 'http://dummy');
+      // IPv6 addresses in URLs are enclosed in brackets and contain ':'
+      isIPv6 = /^\[.*:.*\]$/.test(urlObj.hostname);
+    } catch (e) {
+      // fallback to original check if URL parsing fails
+      isIPv6 = local_addr.url.indexOf('[') >= 0;
+    }
+  }
+  if (isIPv6)
+    return `${tunnel.tunnel_type}6`
+  else
+    return tunnel.tunnel_type
+}
+
 function tunnelProto(info: PeerRoutePair) {
-  return [...new Set(info.peer?.conns.map(c => c.tunnel?.tunnel_type))].join(',')
+  return [...new Set(info.peer?.conns.map(c => oneTunnelProto(c.tunnel)))].join(',')
 }
 
 const myNodeInfo = computed(() => {
diff --git a/easytier-web/frontend-lib/src/types/network.ts b/easytier-web/frontend-lib/src/types/network.ts
index 95c8fb4..9fb2d13 100644
--- a/easytier-web/frontend-lib/src/types/network.ts
+++ b/easytier-web/frontend-lib/src/types/network.ts
@@ -71,7 +71,7 @@ export interface NetworkConfig {
   enable_private_mode?: boolean
 
   rpc_portal_whitelists: string[]
-  
+
   port_forwards: PortForwardConfig[]
 }
 
@@ -246,10 +246,14 @@ export interface PeerRoutePair {
   peer?: PeerInfo
 }
 
+export interface UrlPb {
+  url: string
+}
+
 export interface TunnelInfo {
   tunnel_type: string
-  local_addr: string
-  remote_addr: string
+  local_addr: UrlPb
+  remote_addr: UrlPb
 }
 
 export interface PeerConnStats {
diff --git a/easytier/src/proto/cli.rs b/easytier/src/proto/cli.rs
index 352e74d..5ee8752 100644
--- a/easytier/src/proto/cli.rs
+++ b/easytier/src/proto/cli.rs
@@ -1,3 +1,5 @@
+use url::Host;
+
 include!(concat!(env!("OUT_DIR"), "/cli.rs"));
 
 impl PeerRoutePair {
@@ -70,6 +72,25 @@ impl PeerRoutePair {
         }
     }
 
+    fn is_tunnel_ipv6(tunnel_info: &super::common::TunnelInfo) -> bool {
+        let Some(local_addr) = &tunnel_info.local_addr else {
+            return false;
+        };
+
+        let u: url::Url = local_addr.clone().into();
+        u.host()
+            .map(|h| matches!(h, Host::Ipv6(_)))
+            .unwrap_or(false)
+    }
+
+    fn get_tunnel_proto_str(tunnel_info: &super::common::TunnelInfo) -> String {
+        if Self::is_tunnel_ipv6(tunnel_info) {
+            format!("{}6", tunnel_info.tunnel_type)
+        } else {
+            tunnel_info.tunnel_type.clone()
+        }
+    }
+
     pub fn get_conn_protos(&self) -> Option<Vec<String>> {
         let mut ret = vec![];
         let p = self.peer.as_ref()?;
@@ -78,8 +99,9 @@ impl PeerRoutePair {
                 continue;
             };
             // insert if not exists
-            if !ret.contains(&tunnel_info.tunnel_type) {
-                ret.push(tunnel_info.tunnel_type.clone());
+            let tunnel_type = Self::get_tunnel_proto_str(tunnel_info);
+            if !ret.contains(&tunnel_type) {
+                ret.push(tunnel_type);
             }
         }