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What's new in v2.10:
*) do not ignore RSTP port state when forwarding DHCP, PPPoE or IGMP snooped packets;
*) IGMP snooping: send out IGMPv3 queries by default;
*) IGMP snooping: handle IGMPv3 leaves much better;
*) IGMP snooping: handle dropped IGMP reports much better;
*) CRS309, CRS312, CRS317, CRS326Q: fixed ACL matching by ip destination port;
*) CRS309, CRS312, CRS317, CRS326Q: fixed ICMP TTL packet switching;
*) CRS305, CSS106: make ACL work again;
*) CSS106: improve packet forwarding between different speed interfaces;
*) restart RSTP on LACP ports that got disbundled;
*)禁用流控制的正常工作;
*) do not account rx-overflows twice in SNMP ifInErrors;
*) CRS328-24P-4S+: make auto upgrade work;
*) CRS326Q: fixed vlan configuration on ports sfp22-sfp24 & qsfp+1.1-qsfp+2.4;
*) added support for unicode symbols in labels;
*) make DHCP & PPPoE snooping work correctly on port trunks;
*) made port lock filter out packets with unknown source addresses;
*) CRS309: make VLAN configuration work;
*) fixed problem where disabled autonegotiation on some SFP modules
became effective only after reboot;
*) CRS305 CRS326,CRS328: improved switch-chip resource allocation;