Reference Guide

148 | Control and Monitoring
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Syntax
telnet {host | ip-address | ipv6-address | vrf vrf instance name} [source-interface]
Parameters
Defaults
Not configured.
Command Modes
EXEC
EXEC Privilege
Command
History
host (OPTIONAL) Enter the name of a server.
ip-address (OPTIONAL) E-Series only. Enter the IPv4 address to which you are
testing connectivity in dotted decimal format of the server.
ipv6-address
prefix-length
(OPTIONAL) Enter the IPv6 address in the x:x:x:x::x format.
Range: /0 to /128
Note: The :: notation specifies successive hexadecimal fields of zeros
vrf instance (OPTIONAL) E-Series Only: Enter the keyword vrf followed by the VRF
Instance name.
source-interface (Mandatory for IPv6 link-local addresses; Optional otherwise) Enter the
keywords
source-interface followed by the interface information to
include the source interface.
Enter the following keywords and slot/port or number information:
• For a 100/1000 Ethernet interface, enter the keyword
GigabitEthernet followed by the slot/port information.
• For a 1-Gigabit Ethernet interface, enter the keyword
GigabitEthernet followed by the slot/port information.
• For a Loopback interface, enter the keyword
loopback followed by a
number from zero (0) to 16383.
• For the Null interface, enter the keyword
null followed by 0.
• For a Port Channel interface, enter the keyword port-channel
followed by a number:
C-Series and S-Series Range: 1-128
E-Series Range: 1 to 32 for EtherScale, 1 to 255 for TeraScale and 1 to
512 for ExaScale.
• For SONET interface types, enter the keyword
sonet followed by the
slot/port information.
• For a 10-Gigabit Ethernet interface, enter the keyword
TenGigabitEthernet followed by the slot/port information.
• For a 40-Gigabit Ethernet interface, enter the keyword fortyGigE
followed by the slot/port information.
• For a VLAN interface, enter the keyword vlan followed by a number
from 1 to 4094.
Version 8.3.19.0 Added support for source-interface requirements for link-local IPv6 addressing
on the S4820T.
Version 8.3.12.0 Added support for source-interface requirements for link-local IPv6 addressing
on the S4810.
Version 8.5.1.0 Added support for 4-port 40G line cards on ExaScale.
Version 8.2.1.0 Introduced on E-Series ExaScale (IPv6)
Increased number of VLANs on ExaScale to 4094 (was 2094)
Version 8.1.1.0 Introduced on E-Series ExaScale (IPv4)