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Interface Configuration
EncrypTight User Guide 305
IPv6 addresses often contain consecutive groups of zeros. To further simplify address entry, you can use
two colons (::) to represent the consecutive groups of zeros when typing the IPv6 address. You can use
two colons (::) only once in an IPv6 address.
Related topics:
● To learn how to change the management IP address on an appliance after the appliance has been
provisioned, see “Changing the Management IP Address” on page 118.
● To learn how to set auto-negotiation on the management port, see “Auto-negotiation - All Ports” on
page 305.
● To learn how to restrict access by specifying the hosts that are allowed to communicate with the
management port, see “Trusted Hosts” on page 311.
Auto-negotiation - All Ports
Auto-negotiation and flow control are configured on a per port basis. Management, local, and remote port
auto-negotiation settings are configured independently of each other. The default setting for the ETEP
enables auto-negotiation, which negotiates the link speed, duplex setting, and flow control. If the device
to which the ETEP connects from a particular port does not support auto-negotiation or flow control,
disable one or both of these functions on that port.
It is essential that the ETEP port and the connecting device’s port are configured the same way. Both
devices should either auto-negotiate or be set manually to the same speed and duplex mode. Having one
device set manually and the other auto-negotiate can cause problems that make the link perform slowly.
When manually setting the ETEP link speed, configure the speed and duplex mode to match that of the
other device.
When changing the auto-negotiation setting from ETEMS, there is a slight delay before the new setting
takes effect on the ETEP. The delay is typically a few seconds, but can be as long as 30 seconds. During
this period, the old setting remains in effect.
On the management port, the ETEPs support the speeds shown in Table 85.
Table 84 IPv6 address representations
Address Format Address Representation
Full format 2001:0DB8:0000:0000:0211:11FF:FE58:0743
Leading zeroes dropped 2001:DB8:0:0:211:11FF:FE58:743
Compressed format (two colons) with leading
zeroes dropped
2001:DB8::211:11FF:FE58:743
Table 85 Link speeds on the management port
Link speed Auto-negotiate Auto-negotiate Fixed Speed
ET0010A ET0100A / ET1000A All ETEPs
10 Mbps Half-duplex
3 3 3
10 Mbps Full-duplex
3 3 3
100 Mbps Half-duplex
3 3 3
100 Mbps Full-duplex
3 3 3
1000 Mbps Full-duplex
3