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From: | hanhui |
Subject: | [lwip-devel] [bug #52914] ip4_canforward() mcast packet error. |
Date: | Tue, 16 Jan 2018 09:32:10 -0500 (EST) |
User-agent: | Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36 |
URL: <http://savannah.nongnu.org/bugs/?52914> Summary: ip4_canforward() mcast packet error. Project: lwIP - A Lightweight TCP/IP stack Submitted by: hanhui03 Submitted on: Tue 16 Jan 2018 02:32:08 PM UTC Category: IPv4 Severity: 3 - Normal Item Group: Faulty Behaviour Status: None Privacy: Public Assigned to: None Open/Closed: Open Discussion Lock: Any Planned Release: None lwIP version: git head _______________________________________________________ Details: ip4_canforward() { ... if ((p->flags & PBUF_FLAG_LLMCAST) && !IP_MULTICAST(addr)) { should be: if ((p->flags & PBUF_FLAG_LLMCAST) || IP_MULTICAST(addr)) { ... } The unicast forwarding function does not allow forwarding multicast packets. the multicast forwarding is done by the pim router. _______________________________________________________ Reply to this item at: <http://savannah.nongnu.org/bugs/?52914> _______________________________________________ Message sent via/by Savannah http://savannah.nongnu.org/
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