From 2f511cca5531a1c86c100e359a8bd05a22b2ebe3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1s=20Gr=C3=BCner?=
 <47506558+MegaRedHand@users.noreply.github.com>
Date: Sun, 22 Jun 2025 16:01:28 -0300
Subject: [PATCH 1/3] fix: send reply through correct interface

---
 src/types/view-devices/vNetworkDevice.ts | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/src/types/view-devices/vNetworkDevice.ts b/src/types/view-devices/vNetworkDevice.ts
index cdca924e..1cf9836d 100644
--- a/src/types/view-devices/vNetworkDevice.ts
+++ b/src/types/view-devices/vNetworkDevice.ts
@@ -181,16 +181,17 @@ export abstract class ViewNetworkDevice extends ViewDevice {
       case ICMP_PROTOCOL_NUMBER: {
         const request: EchoRequest = datagram.payload as EchoRequest;
         if (dstDevice && request.type === ICMP_REQUEST_TYPE_NUMBER) {
-          const { src, nextHop, dst } = ViewNetworkDevice.getForwardingData(
-            this.id,
-            dstDevice.id,
-            this.viewgraph,
-          );
+          const { src, nextHop, dst, sendingIface } =
+            ViewNetworkDevice.getForwardingData(
+              this.id,
+              dstDevice.id,
+              this.viewgraph,
+            );
           const echoReply = new EchoReply(0);
           const ipPacket = new IPv4Packet(src.ip, dst.ip, echoReply);
           const frame = new EthernetFrame(src.mac, nextHop.mac, ipPacket);
           console.debug(`Sending EchoReply to ${dstDevice}`);
-          sendViewPacket(this.viewgraph, this.id, frame, iface);
+          sendViewPacket(this.viewgraph, this.id, frame, sendingIface);
         }
         break;
       }

From bfd21d2508819840bdb781070e58617063c918b9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1s=20Gr=C3=BCner?=
 <47506558+MegaRedHand@users.noreply.github.com>
Date: Sun, 22 Jun 2025 16:01:54 -0300
Subject: [PATCH 2/3] fix: make  parameter not optional

---
 src/types/packet.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/types/packet.ts b/src/types/packet.ts
index caa4060e..45043308 100644
--- a/src/types/packet.ts
+++ b/src/types/packet.ts
@@ -365,7 +365,7 @@ export function sendViewPacket(
   viewgraph: ViewGraph,
   srcId: DeviceId,
   rawPacket: EthernetFrame,
-  sendingIface?: number,
+  sendingIface: number,
 ) {
   const srcMac = rawPacket.source;
   const dstMac = rawPacket.destination;

From 32ffd7482b56a8b8cc7e1656d8a5363dd35ed612 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1s=20Gr=C3=BCner?=
 <47506558+MegaRedHand@users.noreply.github.com>
Date: Sun, 22 Jun 2025 16:09:57 -0300
Subject: [PATCH 3/3] chore: ignore linter warning

---
 src/types/view-devices/vNetworkDevice.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/types/view-devices/vNetworkDevice.ts b/src/types/view-devices/vNetworkDevice.ts
index 1cf9836d..90031493 100644
--- a/src/types/view-devices/vNetworkDevice.ts
+++ b/src/types/view-devices/vNetworkDevice.ts
@@ -168,6 +168,7 @@ export abstract class ViewNetworkDevice extends ViewDevice {
       : undefined;
   }
 
+  // eslint-disable-next-line @typescript-eslint/no-unused-vars
   handleDatagram(datagram: IPv4Packet, iface: number) {
     console.debug("Packet has reach its destination!");
     const dstDevice = this.viewgraph.getDeviceByIP(datagram.sourceAddress);