D-Link DGS-3630-28SC Manual - Page 949
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DGS-3630 Layer 3 Stackable Managed Switch CLI Reference Guide Switch#configure terminal Switch(config)#mvlan vlan 100 Switch(config-mvlan)#replace-priority ipv4 4 Switch(config-mvlan)# 75-7 replace-source-ip This command is used to replace the source IP address in the reporting IGMP/MLD packet sent to uplink ports. Use the no form of this command to cancel the replacement. replace-source-ip {ipv4 IPV4-ADDRESS | ipv6 IPV6-ADDRESS} from { source | receiver | both} no replace-source-ip {ipv4 | ipv6} Parameters ipv4 IPV4-ADDRESS ipv6 IPV6-ADDRESS source receiver both Specifies the source IP address to be substituted for the source IP address in the reporting IGMP control packet to uplink ports. Specifies the source IP address to be substituted for the source IP address in the reporting MLD control packet to uplink ports. Specifies to replace the source IP address of the IGMP or MLD report/leave/done packet received on any multicast VLAN source port with the specified IPv4 or IPv6 address. Specifies to replace the source IP address of the IGMP or MLD report/leave/done packet received on any multicast VLAN receiver port with the specified IPv4 or IPv6 address. Specifies to replace the source IP address of the IGMP or MLD report/leave/done packet received on any port in the multicast VLAN with the specified IPv4 or IPv6 address. Default None. Command Mode Multicast VLAN Configuration Mode. Command Default Level Level: 12. Usage Guideline This command is used to report the join information to the source port. The purpose is to avoid the control packets being dropped by the uplink router due to IP spoofing checks. If the replacing address is configured before forwarding the IGMP/MLD report/leave/done packet sent by the host, the source IP address in the report/leave/done packet will be replaced by this IP address. Otherwise, the source IP address will not be replaced. Example This example shows how to configure the IPv4 and IPv6 replacing source address. 944
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