diff --git a/serial_forwarder.c b/serial_forwarder.c
index 283e9bf..dd28013 100644
--- a/serial_forwarder.c
+++ b/serial_forwarder.c
@@ -22,8 +22,16 @@
 #include "ping_pong.h"
 #include "gpio.h"
 
-#define DEST_PORT 1234
-#define DEST_ADDR "fd00::1"
+struct addr_port {
+  const char * addr;
+  const int port;
+};
+
+const struct addr_port dests[] = {
+  {"fd00::1", 1234},
+  {"fd00::10", 1234},
+};
+const int dests_len = (sizeof (dests)) / (sizeof (dests[0]));
 
 #define PORT 4321
 
@@ -65,8 +73,8 @@ int handle_buf(int sockfd,
 }
 
 int handle_sockfd(int sockfd,
-                  struct sockaddr_in6 * dest_addr,
-                  struct link_state * link_state)
+                  struct dest_addr dest_addr[],
+                  struct link_state link_state[])
 {
   struct sockaddr_in6 src_addr;
   socklen_t addrlen = (sizeof (struct sockaddr_in6));
@@ -88,10 +96,16 @@ int handle_sockfd(int sockfd,
       }
     }
 
-    //char src_addr_str[INET6_ADDRSTRLEN];
-    //inet_ntop(AF_INET6, &src_addr.sin6_addr, src_addr_str, INET6_ADDRSTRLEN);
-    //printf("received packet from %s:%d\n", src_addr_str, ntohs(src_addr.sin6_port));
-    //printf("length: %ld\n", recv_len);
+    char src_addr_str[INET6_ADDRSTRLEN];
+    inet_ntop(AF_INET6, &src_addr.sin6_addr, src_addr_str, INET6_ADDRSTRLEN);
+    printf("received packet from %s:%d\n", src_addr_str, ntohs(src_addr.sin6_port));
+    printf("length: %ld\n", recv_len);
+
+    for (int i = 0; i < dests_len; i++) {
+      if (memcmp(src_addr.sin6_addr.s6_addr, dest_addr[i].sin6_addr.s6_addr, (sizeof (struct in6_addr))) == 0) {
+        printf("MATCH %d\n", i);
+      }
+    }
 
     int ret = handle_buf(sockfd, dest_addr, buf, recv_len, link_state);
     if (ret == -1) {
@@ -387,15 +401,17 @@ int main(void)
     }
   }
 
-  struct sockaddr_in6 dest_addr;
-  dest_addr.sin6_family = AF_INET6;
-  dest_addr.sin6_port = htons(DEST_PORT);
-  ret = inet_pton(AF_INET6, DEST_ADDR, &dest_addr.sin6_addr);
-  assert(ret == 1);
+  struct sockaddr_in6 dest_addr[dests_len];
+  for (int i = 0; i < dests_len; i++) {
+    dest_addr[i].sin6_family = AF_INET6;
+    dest_addr[i].sin6_port = htons(dests[i].port);
+    ret = inet_pton(AF_INET6, dests[i].addr, &dest_addr[i].sin6_addr);
+    assert(ret == 1);
+  }
 
   struct parser_state parser_state = {0};
   struct timer_state timer_state = {0};
-  struct link_state link_state = {0};
+  struct link_state link_state[dests_len] = {0};
   struct gpio_state gpio_state = {0};
 
   gpio_open("/dev/gpiochip0", &gpio_state);
@@ -410,13 +426,13 @@ int main(void)
 
     for (int n = 0; n < nfds; ++n) {
       if (events[n].data.fd == sockfd) {
-	ret = handle_sockfd(sockfd, &dest_addr, &link_state);
+	ret = handle_sockfd(sockfd, link_state);
 	if (ret == -1)
 	  return -1;
       } else if (events[n].data.fd == timerfd) {
         ret = handle_timerfd(timerfd,
                              sockfd,
-                             &dest_addr,
+                             dest_addr,
 			     &timer_state,
                              &link_state,
 			     &gpio_state);
@@ -426,7 +442,7 @@ int main(void)
         fprintf(stderr, "handle_serialfd\n");
         ret = handle_serialfd(serialfd,
 			      sockfd,
-                              &dest_addr,
+                              dest_addr,
                               &parser_state,
                               &timer_state,
 			      &link_state,