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Don't forward unicast packets received via link-layer multicast.

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Suggested by: fenner
Original complaint: Shiva Shenoy <Shiva.Shenoy@yagosys.com>
This commit is contained in:
Garrett Wollman 1999-01-22 16:50:45 +00:00
parent 669892b239
commit 92af003dd8
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=43066
1 changed files with 2 additions and 2 deletions
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4
sys/netinet/ip_input.c
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@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)ip_input.c 8.2 (Berkeley) 1/4/94
* $Id: ip_input.c,v 1.110 1998/12/21 22:40:54 luigi Exp $
* $Id: ip_input.c,v 1.111 1999/01/12 12:25:00 eivind Exp $
* $ANA: ip_input.c,v 1.5 1996/09/18 14:34:59 wollman Exp $
*/
@ -1400,7 +1400,7 @@ ip_forward(m, srcrt)
#endif
if (m->m_flags & M_BCAST || in_canforward(ip->ip_dst) == 0) {
if (m->m_flags & (M_BCAST|M_MCAST) || in_canforward(ip->ip_dst) == 0) {
ipstat.ips_cantforward++;
m_freem(m);
return;