The following table lists terms and definitions used in this system configuration discussion.
System Configuration Terms and Definitions
| Term | Definition |
|---|---|
| age time | The amount of time a non-permanent MAC address will stay in the FIB before becoming marked as invalid. |
| automatic address assignment | DHCP automatically assigns an IP address from a range of configured addresses to a client for a limited period of time |
| broadcast listening | An SNTP operational mode for which the SNTP server broadcasts the time adding a configured propagation delay value to compensate for the travel time of the packet from the SNTP server to the SNTP client. |
| Domain Name Server (DNS) resolver | A session layer protocol that maps network host names to IP addresses and vice versa. |
| Dynamic Host Configuration Protocol (DHCP) | A network layer protocol that implements automatic or manual assignment of IP addresses and other configuration information to client devices by servers. |
| entry | A grouping of key packet objects reported by node alias that define a single flow for this port. |
| FID | The filtering database that contains the MAC addresses for this device. |
| manual address assignment | The client‘s IP address is assigned by the network administrator, DHCP is used only to convey the assigned address to the client. |
| node alias | An S- K- and 7100-Series feature that analyzes flows transiting a port for key packet objects that can be used as a cross-reference that port‘s end users. |
| poll-interval | The time between SNTP update requests by the client to the server in unicast operations mode. |
| poll-timeout | The time a unicast SNTP client waits before sending another update request to the SNTP server. |
| precedence | A value used to determine the order in which SNTP servers will be polled in unicast operational mode. |
| Secure Shell (SSH) | security feature provides a secure encrypted communications method between a client and the switch to the entire session, providing data privacy and integrity that is an alternative to the unsecure Telnet protocol. |
| Simple Network Time Protocol (SNTP) | A protocol that provides for the synchronizing of system time for managed devices across a network. |
| unicast as multicast | A feature that treats a unicast MAC address as if it were a multicast MAC address by extending the search phase of layer 2 lookup to match the unlearned destination MAC address against the static Multicast MAC entries on this device. |
| unicast polling | An SNTP operational mode for which the client directly requests updates from the SNTP server. |
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