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Allowed Traffic Types on ExchangeNETThe NZIX NOC reserves the right to disable ports that violate the rules belowPhysical ConnectionInterface settings100base and 10base Ethernet interfaces attached to NZIX ports must be set to auto-sensing unless otherwise agreed.MAC LayerEthernet framingThe NZIX infrastructure is based on the Ethernet II (or DIX Ethernet) standard. This means that LLC/SNAP encapsulation (802.2) is not permitted. For more information on the differences, see the Ethernet FAQ, question 4.1. EthertypesFrames forwarded to NZIX ports shall have one of the following ethertypes:
One MAC address per portFrames forwarded to an individual NZIX port shall all have the same source MAC address.No proxy ARPUse of proxy ARP on the router's interface to the Exchange is not allowed. Unicast onlyFrames forwarded to NZIX ports shall not be addressed to a multicast or broadcast MAC destination address except as follows:
Please note that this DOES NOT include Router Discovery packets No link-local trafficTraffic for link-local protocols shall not be forwarded to NZIX ports. Link-local protocols include, but are not limited to, the following list:
The following link-local protocols are exceptions and are allowed:
IP LayerNo directed broadcastIP packets addressed to NZIX peering LAN's directed broadcast address shall not be automatically forwarded to NZIX ports. IP addressingno-export of NZIX peering LANIP address space assigned to an NZIX peering LAN shall not be advertised to other networks without explicit permission of CityLink.
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