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KSZ9567R 数据表(PDF) 104 Page - Microchip Technology |
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KSZ9567R 数据表(HTML) 104 Page - Microchip Technology |
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104 / 233 page  KSZ9567R DS00002329E-page 104 2022 Microchip Technology Inc. and its subsidiaries 5.1.4.66 IP DiffServ Priority Mapping 31 Register 5.1.4.67 Global Port Mirroring and Snooping Control Register This register contains global controls for port mirroring and IGMP and MLD snooping. Mirroring also requires additional register settings for the individual ports. Refer to the Port N: Port Switch Ingress Control Registers (0xN800 - 0xN8FF). Address: 0x035F Size: 8 bits Bits Description Type Default 7 RESERVED RO 0b 6:4 When IPv4 / IPv6 DSCP field is 0x3F, use this value for priority R/W 000b 3 RESERVED RO 0b 2:0 When IPv4 / IPv6 DSCP field is 0x3E, use this value for priority R/W 000b Address: 0x0370 Size: 8 bits Bits Description Type Default 7 RESERVED RO 0b 6 IGMP Snooping Enable (IPv4) 1 = IGMP snooping is enabled. All IGMP packets will be forwarded to the host port. 0 = IGMP snooping is disabled. R/W 0b 5:4 RESERVED RO 00b 3 MLD Snooping Option 1 = Snooping criteria: IPv6 next header = 43, 44, 50, 51 or 60; or next header = 0 and hop-by-hop next header = 43, 44, 50, 51 or 60. 0 = Snooping criteria: IPv6 next header = 1 or 58; or next header = 0 and hop-by-hop next header = 1 or 58. R/W 0b 2 MLD Snooping Enable (IPv6) 1 = MLD snooping is enabled. All MLD packets will be forwarded to the host port. 0 = MLD snooping is disabled. R/W 0b 1 RESERVED RO 0b 0 Sniff Mode Select 1 = Sniffing filter is “Rx AND Tx”. Both the source port and destination ports need to match. 0 = Sniffing filter is “Rx OR Tx”. Either the source port of the destination port needs to match. This mode is used to implement Rx-only sniffing. R/W 0b |
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