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save only the link-local addresses for multicast
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parent
de79401bb2
commit
95f4ec52a4
@ -292,15 +292,15 @@ func (m *Multicast) _updateInterfaces() {
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aInfo.addrs, _ = iface.Addrs()
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aInfo.time = time.Now()
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}
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hasLLAddr := false
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lladdrs := aInfo.addrs[:0]
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for _, addr := range aInfo.addrs {
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addrIP, _, _ := net.ParseCIDR(addr.String())
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if addrIP.To4() == nil && addrIP.IsLinkLocalUnicast() {
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hasLLAddr = true
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break
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lladdrs = append(lladdrs, addr)
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}
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}
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if !hasLLAddr {
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aInfo.addrs = lladdrs
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if len(lladdrs) == 0 {
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// Ignore interfaces without link-local addresses
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continue
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}
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