Cisco ASR 5500 Administration Manual page 46

Using the ASR 5500 Quick Setup Wizard
Item
4
5
ASR 5500 System Administration Guide, StarOS Release 19
18
Task
Configure a single Management Input/Output
(MIO/UMIO) out-of-band management
interface for out-of-band system
management.
In Release 19.0 and prior releases, enable
various remote access protocols for accessing
the system.
In Release 19.2 and higher, enter an SSH
key size in bits. The default value is 2048
bits.
Note: For maximum system security, do not
enable telnet protocol.
Note: For maximum system security, do not
enable FTP.
Description/Notes
Traffic on the management LAN is not transferred
over the same media as user data and control
signaling.
For security reasons, it is recommended that
management functions be maintained on a separate
network from user data and control signaling.
MIO port 1 (mio1) is the 1000Base-T default
management port.
MIO port 2 (mio2) is available as a secondary
management port.
Use the RJ-45 interfaces to connect the system to the
management network with CAT5 Ethernet cable.
Configure an IP address, subnet mask, and gateway
for the interface.
Instructions for configuring the second management
interface on the MIO can be found in the System
Settings chapter.
Secure Shell (SSH) uses TCP port number 22 by
default, if enabled.
In Release 19.0 and prior releases, SSH V1 and/or
V2 are supported. If SSH is enabled, you can also
enable SSH File Transfer Protocol (SFTP) server
functionality.
In Release 19.2 and higher, you can specify the SSH
key size. The SSH v2-RSA key generation uses that
key size value.
Note: For maximum security, use only SSH v2.
In Release 19.2 and higher, only SSH v2 is supported.
Secure File Transfer Protocol (SFTP) uses TCP port
number 22 by default, if enabled [subsystem sftp].
Telnet uses TCP port number 23 by default, if
enabled.
File Transfer Protocol (FTP) uses TCP port number
21 by default, if enabled.
Getting Started