Command Line Reference Guide

528 | IPv4 Routing
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Related
Commands
ip name-server
c e s
Enter up to 6 IP addresses of name servers. The order you enter the addresses determines the order of
their use.
Syntax
ip name-server ip-address [ip-address2...ip-address6]
To remove a name server, use the no ip name-server ip-address command.
Parameters
Defaults
No name servers are configured.
Command Modes
CONFIGURATION
Command
History
Usage
Information
FTOS does not support sending DNS queries over a VLAN. DNS queries are sent out all other
interfaces, including the Management port.
ip proxy-arp
c e s
Enable Proxy ARP on an interface.
Syntax
ip proxy-arp
To disable Proxy ARP, enter no ip proxy-arp.
Defaults
Enabled.
Table 16-2. Difference between Link MTU and IP MTU
Layer 2 Overhead Difference between Link MTU and IP MTU
Ethernet (untagged) 18 bytes
VLAN Tag 22 bytes
Untagged Packet with VLAN-Stack Header 22 bytes
Tagged Packet with VLAN-Stack Header 26 bytes
mtu Set the link MTU for an Ethernet interface.
ip-address
Enter the IP address, in dotted decimal format, of the name server to be used.
ip-address2 ...
ip-address6
(OPTIONAL) Enter up five more IP addresses, in dotted decimal format, of name servers
to be used.
Separate the IP addresses with a space.
Version 8.3.5.0 Introduced on the S55.
Version 8.1.1.0 Introduced on E-Series ExaScale
Version 7.6.1.0 Added support for S-Series
Version 7.5.1.0 Added support for C-Series
pre-Version 6.1.1.0 Introduced for E-Series