From e51bb180d46cc9ba4fa12d3222fac38c138dc482 Mon Sep 17 00:00:00 2001
From: Tom Henderson <tomh@tomh.org>
Date: Wed, 9 Jan 2008 22:09:21 -0800
Subject: [PATCH] Fix bug 125 (make helper function non-virtual)

---
 src/node/ipv4.h | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/node/ipv4.h b/src/node/ipv4.h
index a0ece2823..047c45e43 100644
--- a/src/node/ipv4.h
+++ b/src/node/ipv4.h
@@ -451,13 +451,15 @@ public:
 
   /**
    * \brief Convenience function to return the ifIndex corresponding
-   * to the Ipv4Address provided
+   * to the Ipv4Address provided.  If an Ipv4Mask is provided also,
+   * then the address is masked, which allows one to determine the 
+   * interface corresponding to a network prefix.
    *
    * \param addr Ipv4Address
    * \param mask corresponding Ipv4Mask
    * \returns ifIndex corresponding to a/amask
    */
-  virtual uint32_t GetIfIndexByAddress (Ipv4Address addr, 
+  uint32_t GetIfIndexByAddress (Ipv4Address addr, 
     Ipv4Mask mask = Ipv4Mask("255.255.255.255"));
 };