From 33e35cb8b48d3f7382a6c1ee3fba5f665ffe7c70 Mon Sep 17 00:00:00 2001
From: Darren 'Tadgy' Austin <darren@afterdark.org.uk>
Date: Thu, 7 Nov 2019 05:04:02 +0000
Subject: Update rc.inet1.conf in netconfig.  Update manpage.

---
 manpages/rc.inet1.conf.5 | 21 +++++++++++++++++++++
 netconfig                | 20 ++++++++++++++++++++
 2 files changed, 41 insertions(+)

diff --git a/manpages/rc.inet1.conf.5 b/manpages/rc.inet1.conf.5
index 0771d94..52695de 100644
--- a/manpages/rc.inet1.conf.5
+++ b/manpages/rc.inet1.conf.5
@@ -105,6 +105,27 @@ USE_DHCP[0]=""
 .br
 DHCP_HOSTNAME[0]=""
 .br
+.SH EXAMPLE VLAN INTERFACE CREATION
+VLAN interfaces can be configured in rc.inet1.conf, in the standard Slackware
+way of defining an interface.  The key to the configuration is to use the
+correct IFNAME setting for the underlying ethernet (or bond) interface and the
+tagged VLAN ID that should be exposed.
+.LP
+Here are the basic settings to expose a VLAN with ID 100 on the eth0
+interface, configured with a static IPv4 address:
+.LP
+IFNAME[0]="eth0.100"
+.br
+IPADDR[0]="192.168.100.10"
+.br
+NETMASK[0]="24"
+.LP
+The IFNAME of the interface contains the underlying ethernet device name
+(eth0), a period (.), and the VLAN ID to be exposed.
+.LP
+Note that the underlying ethernet (or bond) interface does not need to have an
+IP address to be used with the VLAN.
+.br
 .SH GENERAL PARAMETERS
 This is a list of parameters you can set for any interface.
 The example section is for `eth0' by default, i.e.
diff --git a/netconfig b/netconfig
index 4bc430f..2a75ef1 100644
--- a/netconfig
+++ b/netconfig
@@ -95,6 +95,26 @@ GATEWAY6=""
 # Change this to "yes" for debugging output to stdout.
 DEBUG_ETH_UP="no"
 
+# MAXNICS is the maximum number of interfaces that will be configured.
+# You may need to increase the MAXNICS value if you have many interfaces, or
+# you use multiple VLANs and/or bridges.  The default is 6.
+# MAXNICS="6"
+
+# =============================================================================
+
+# Example of how to configure a VLAN interface.
+# The VLAN ID is taken from the full interface name, which is comprised of the
+# underlying interface name, a period (.) and then the VLAN ID.
+# IFNAME[0]="eth0.10"
+# IPADDR[0]="192.168.10.1"
+# NETMASK[0]="24"
+# IPALIASES[0]=""
+# USE_DHCP[0]=""
+# DHCP_HOSTNAME[0]=""
+# IP6ADDRS[0]=""
+# USE_SLAAC[0]=""
+# USE_DHCP6[0]=""
+
 # =============================================================================
 
 # Example of how to configure a bridge:
-- 
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