diff --git a/code/lspgen/src/lspgen.c b/code/lspgen/src/lspgen.c
index 1027ed1a..533dac2b 100644
--- a/code/lspgen/src/lspgen.c
+++ b/code/lspgen/src/lspgen.c
@@ -53,6 +53,7 @@ static struct option long_options[] = {
     {"ipv6-node-prefix", required_argument, NULL, 'N'},
     {"ipv4-external-prefix", required_argument, NULL, 'x'},
     {"ipv6-external-prefix", required_argument, NULL, 'X'},
+    {"link-multiplier", required_argument, NULL, 'u'},
     {"lsp-lifetime", required_argument, NULL, 'M'},
     {"no-ipv4", no_argument, NULL, 'z'},
     {"no-ipv6", no_argument, NULL, 'Z'},
@@ -946,6 +947,8 @@ lspgen_init_ctx(struct lsdb_ctx_ *ctx)
     ctx->seed = 0x74522142; /* RtB! */
     ctx->lsp_lifetime = 65535;
 
+    ctx->link_multiplier = 1;
+
     /* ipv4 link prefix */
     inet_pton(AF_INET, "172.16.0.0", &ctx->ipv4_link_prefix.address);
     ctx->ipv4_link_prefix.len = 31;
@@ -1052,6 +1055,9 @@ lspgen_log_ctx(struct lsdb_ctx_ *ctx)
         LOG(NORMAL, " Authentication-key %s, Authentication-type %s\n",
             ctx->authentication_key, val2key(auth_type_names, ctx->authentication_type));
     }
+    if (ctx->link_multiplier) {
+        LOG(NORMAL, " Link-multiplier %u\n", ctx->link_multiplier);
+    }
     if (!ctx->no_ipv4) {
         end_prefix4 = lspgen_compute_end_prefix4(&ctx->ipv4_node_prefix, ctx->num_nodes);
         LOG(NORMAL, " IPv4 Node Base Prefix %s, End Prefix %s, %u prefixes\n",
@@ -1254,7 +1260,7 @@ main(int argc, char *argv[])
      * Parse options.
      */
     idx = 0;
-    while ((opt = getopt_long(argc, argv, "vha:c:C:e:f:g:Gl:L:m:M:n:K:N:p:P:q:Qr:s:S:t:T:V:w:x:X:yzZ",
+    while ((opt = getopt_long(argc, argv, "vha:c:C:e:f:g:Gl:L:m:M:n:K:N:p:P:q:Qr:s:S:t:T:u:V:w:x:X:yzZ",
                               long_options, &idx)) != -1) {
         switch (opt) {
             case 'v':
@@ -1330,7 +1336,14 @@ main(int argc, char *argv[])
                 /* logging */
                 log_enable(optarg);
                 break;
-            case 'c':
+            case 'u':
+                ctx->link_multiplier = strtol(optarg, NULL, 10);
+                if (ctx->link_multiplier > 200) {
+                    ctx->link_multiplier = 200;
+                    LOG(ERROR, "Set link-multiplier to maximum %u\n", ctx->link_multiplier);
+                }
+		break;
+	    case 'c':
                 ctx->num_nodes = strtol(optarg, NULL, 10);
                 if (ctx->num_nodes < 5) {
                     ctx->num_nodes = 5;
diff --git a/code/lspgen/src/lspgen_forest.c b/code/lspgen/src/lspgen_forest.c
index 85f8b33d..13401296 100644
--- a/code/lspgen/src/lspgen_forest.c
+++ b/code/lspgen/src/lspgen_forest.c
@@ -79,6 +79,7 @@ print_graph(lsdb_ctx_t *ctx, int v, int e, int *adj_matrix)
     struct lsdb_node_ *local_node, *remote_node;
     char node_name[32];
     int i, j, index;
+    uint32_t link_index;
     unsigned int root = 0;
     __uint128_t addr;
 
@@ -122,41 +123,46 @@ print_graph(lsdb_ctx_t *ctx, int v, int e, int *adj_matrix)
             node_template.node_name = node_name;
             remote_node = lsdb_add_node(ctx, &node_template);
 
-            /*
-             * Add outgoing link.
-             */
-            link_template.link_metric = weights[adj_matrix[index]];
-            addr = lspgen_load_addr((uint8_t*)&ctx->ipv4_node_prefix.address, sizeof(ipv4addr_t)) + i - 1;
-	    if (ctx->protocol_id == PROTO_ISIS) {
-		lspgen_store_bcd_addr(addr, link_template.key.local_node_id, 4);
-	    } else if (ctx->protocol_id == PROTO_OSPF2 || ctx->protocol_id == PROTO_OSPF3) {
-		lspgen_store_addr(addr, link_template.key.local_node_id, 4);
-	    }
-	    addr = lspgen_load_addr((uint8_t*)&ctx->ipv4_node_prefix.address, sizeof(ipv4addr_t)) + j - 1;
-	    if (ctx->protocol_id == PROTO_ISIS) {
-		lspgen_store_bcd_addr(addr, link_template.key.remote_node_id, 4);
-	    } else if (ctx->protocol_id == PROTO_OSPF2 || ctx->protocol_id == PROTO_OSPF3) {
-		lspgen_store_addr(addr, link_template.key.remote_node_id, 4);
-            }
-	    lsdb_add_link(ctx, local_node, &link_template);
+	    for (link_index = 0; link_index < ctx->link_multiplier; link_index++) {
 
-            /*
-             * Add incoming link.
-             */
-            addr = lspgen_load_addr((uint8_t*)&ctx->ipv4_node_prefix.address, sizeof(ipv4addr_t)) + j - 1;
-	    if (ctx->protocol_id == PROTO_ISIS) {
-		lspgen_store_bcd_addr(addr, link_template.key.local_node_id, 4);
-	    } else if (ctx->protocol_id == PROTO_OSPF2 || ctx->protocol_id == PROTO_OSPF3) {
-		lspgen_store_addr(addr, link_template.key.local_node_id, 4);
+		/*
+		 * Add outgoing link.
+		 */
+		link_template.link_metric = weights[adj_matrix[index]];
+		addr = lspgen_load_addr((uint8_t*)&ctx->ipv4_node_prefix.address, sizeof(ipv4addr_t)) + i - 1;
+		if (ctx->protocol_id == PROTO_ISIS) {
+		    lspgen_store_bcd_addr(addr, link_template.key.local_node_id, 4);
+		} else if (ctx->protocol_id == PROTO_OSPF2 || ctx->protocol_id == PROTO_OSPF3) {
+		    lspgen_store_addr(addr, link_template.key.local_node_id, 4);
+		}
+		addr = lspgen_load_addr((uint8_t*)&ctx->ipv4_node_prefix.address, sizeof(ipv4addr_t)) + j - 1;
+		if (ctx->protocol_id == PROTO_ISIS) {
+		    lspgen_store_bcd_addr(addr, link_template.key.remote_node_id, 4);
+		} else if (ctx->protocol_id == PROTO_OSPF2 || ctx->protocol_id == PROTO_OSPF3) {
+		    lspgen_store_addr(addr, link_template.key.remote_node_id, 4);
+		}
+		lspgen_store_addr(link_index, link_template.key.local_link_id, 4);
+		lsdb_add_link(ctx, local_node, &link_template);
+
+		/*
+		 * Add incoming link.
+		 */
+		addr = lspgen_load_addr((uint8_t*)&ctx->ipv4_node_prefix.address, sizeof(ipv4addr_t)) + j - 1;
+		if (ctx->protocol_id == PROTO_ISIS) {
+		    lspgen_store_bcd_addr(addr, link_template.key.local_node_id, 4);
+		} else if (ctx->protocol_id == PROTO_OSPF2 || ctx->protocol_id == PROTO_OSPF3) {
+		    lspgen_store_addr(addr, link_template.key.local_node_id, 4);
+		}
+		addr = lspgen_load_addr((uint8_t*)&ctx->ipv4_node_prefix.address, sizeof(ipv4addr_t)) + i - 1;
+		if (ctx->protocol_id == PROTO_ISIS) {
+		    lspgen_store_bcd_addr(addr, link_template.key.remote_node_id, 4);
+		} else if (ctx->protocol_id == PROTO_OSPF2 || ctx->protocol_id == PROTO_OSPF3) {
+		    lspgen_store_addr(addr, link_template.key.remote_node_id, 4);
+		}
+		lspgen_store_addr(link_index, link_template.key.local_link_id, 4);
+		lsdb_add_link(ctx, remote_node, &link_template);
+            }
 	    }
-            addr = lspgen_load_addr((uint8_t*)&ctx->ipv4_node_prefix.address, sizeof(ipv4addr_t)) + i - 1;
-	    if (ctx->protocol_id == PROTO_ISIS) {
-		lspgen_store_bcd_addr(addr, link_template.key.remote_node_id, 4);
-	    } else if (ctx->protocol_id == PROTO_OSPF2 || ctx->protocol_id == PROTO_OSPF3) {
-		lspgen_store_addr(addr, link_template.key.remote_node_id, 4);
-            }
-	    lsdb_add_link(ctx, remote_node, &link_template);
-            }
         }
     }
 
diff --git a/code/lspgen/src/lspgen_lsdb.h b/code/lspgen/src/lspgen_lsdb.h
index 5af91600..2f13dd2e 100644
--- a/code/lspgen/src/lspgen_lsdb.h
+++ b/code/lspgen/src/lspgen_lsdb.h
@@ -80,6 +80,7 @@ typedef struct lsdb_ctx_
     struct lsdb_node_id_ connector[3];
     uint32_t num_connector;
     uint32_t num_ext; /* number of external prefixes */
+    uint32_t link_multiplier; /* parallel links */
     bool no_sr;
     bool no_ipv4;
     bool no_ipv6;