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-rw-r--r--eigrpd/eigrp_macros.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/eigrpd/eigrp_macros.h b/eigrpd/eigrp_macros.h
index eea7a26425..b30e19a867 100644
--- a/eigrpd/eigrp_macros.h
+++ b/eigrpd/eigrp_macros.h
@@ -35,6 +35,8 @@
//--------------------------------------------------------------------------
+#define EIGRP_PACKET_MTU(mtu) ((mtu) - (sizeof(struct ip)))
+
/* Topology Macros */