X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=vnet%2Fvnet%2Fl2%2Fl2_fwd.c;h=586aa3d42063abe80fa87b8198bdb420b277d4bf;hb=22aa3e970da0f0c772c5a16103a5dcf1f2875285;hp=8fa355e01a03e94203c3ec329ddfe7edec61ea10;hpb=1732fc1ab851c454a74efda47a383f48691d545a;p=vpp.git

diff --git a/vnet/vnet/l2/l2_fwd.c b/vnet/vnet/l2/l2_fwd.c
index 8fa355e01a0..586aa3d4206 100644
--- a/vnet/vnet/l2/l2_fwd.c
+++ b/vnet/vnet/l2/l2_fwd.c
@@ -31,6 +31,15 @@
 #include <vppinfra/sparse_vec.h>
 
 
+/**
+ * @file
+ * @brief Ethernet Forwarding.
+ *
+ * Code in this file handles forwarding Layer 2 packets. This file calls
+ * the FIB lookup, packet learning and the packet flooding as necessary.
+ * Packet is then sent to the next graph node.
+ */
+
 typedef struct
 {
 
@@ -454,6 +463,17 @@ done:
   return error;
 }
 
+/*?
+ * Layer 2 unicast forwarding can be enabled and disabled on each
+ * interface and on each bridge-domain. Use this command to
+ * manage interfaces. It is enabled by default.
+ *
+ * @cliexpar
+ * Example of how to enable fowarding:
+ * @cliexcmd{set interface l2 forward GigabitEthernet0/8/0}
+ * Example of how to disable fowarding:
+ * @cliexcmd{set interface l2 forward GigabitEthernet0/8/0 disable}
+?*/
 /* *INDENT-OFF* */
 VLIB_CLI_COMMAND (int_fwd_cli, static) = {
   .path = "set interface l2 forward",