DELL S50V User Manual
IPv4 Addressing | 463
21
IPv4 Addressing
c e s
IPv4 addressing is supported on the E-Series ExaScale platform with FTOS 8.1.1.0 and later.
FTOS supports various IP addressing features. This chapter explains the basics of Domain Name Service
(DNS), Address Resolution Protocol (ARP), and routing principles and their implementation in FTOS.
(DNS), Address Resolution Protocol (ARP), and routing principles and their implementation in FTOS.
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lists the defaults for the IP addressing features described in this chapter.
IP Addresses
FTOS supports IP version 4, as described in RFC 791. It also supports classful routing and Variable Length
Subnet Masks (VLSM). With VLSM one network can be can configured with different masks.
Supernetting, which increases the number of subnets, is also supported. Subnetting is when a mask is
added to the IP address to separate the network and host portions of the IP address.
Subnet Masks (VLSM). With VLSM one network can be can configured with different masks.
Supernetting, which increases the number of subnets, is also supported. Subnetting is when a mask is
added to the IP address to separate the network and host portions of the IP address.
Table 21-1. IP Defaults
IP Feature
Default
DNS
Disabled
Directed Broadcast
Disabled
Proxy ARP
Enabled
ICMP Unreachable
Disabled
ICMP Redirect
Disabled