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-rw-r--r--pkg/tcpip/header/ipv4.go5
1 files changed, 5 insertions, 0 deletions
diff --git a/pkg/tcpip/header/ipv4.go b/pkg/tcpip/header/ipv4.go
index 62ac932bb..d0d1efd0d 100644
--- a/pkg/tcpip/header/ipv4.go
+++ b/pkg/tcpip/header/ipv4.go
@@ -101,6 +101,11 @@ const (
// IPv4Version is the version of the ipv4 protocol.
IPv4Version = 4
+ // IPv4AllSystems is the all systems IPv4 multicast address as per
+ // IANA's IPv4 Multicast Address Space Registry. See
+ // https://www.iana.org/assignments/multicast-addresses/multicast-addresses.xhtml.
+ IPv4AllSystems tcpip.Address = "\xe0\x00\x00\x01"
+
// IPv4Broadcast is the broadcast address of the IPv4 procotol.
IPv4Broadcast tcpip.Address = "\xff\xff\xff\xff"