Fix some small annoyances

Author: AgeManning

beacon_node/lighthouse_network/src/service/mod.rs

@@ -197,6 +197,11 @@ impl<E: EthSpec> Network<E> {
             &ctx.chain_spec,
         )?;
 
+        // Pre-initializes metrics
+        // This is is an initial value to specify NAT ports start closed until proven otherwise.
+        set_gauge_vec(&NAT_OPEN, &["libp2p_ipv4"], 0),
+        set_gauge_vec(&NAT_OPEN, &["libp2p_ipv6"], 0),
+
         // Construct the metadata
         let custody_subnet_count = ctx.chain_spec.is_peer_das_scheduled().then(|| {
             if config.subscribe_all_data_column_subnets {

beacon_node/src/cli.rs

@@ -185,8 +185,8 @@ pub fn cli_app() -> Command {
                 .long("port6")
                 .value_name("PORT")
                 .help("The TCP/UDP ports to listen on over IPv6 when listening over both IPv4 and \
-                      IPv6. Defaults to 9090 when required. The Quic UDP port will be set to this value + 1.")
-                .default_value("9090")
+                      IPv6. Defaults to 9000. The Quic UDP port will be set to this value + 1.")
+                .default_value("9000")
                 .action(ArgAction::Set)
                 .display_order(0)
         )