
Glossary
All downwards directed traffic must have the gateway as Layer 2 source
address.
Level 2:
switching_rule
=
IP validation
. Either static or dynamic or both
types of IP addresses define which traffic is let through.
Level 3:
switching_rule =
Virtual MAC
. In addition to the level 1 and 2
functions, the end user’s MAC addresses are also exchanged with internal
MAC addresses selected and controlled by the system.
If
switching_rule
=
PPPoE
only packets with Ethertypes 0x8863 and
0x8864 are let through. All other packets are discarded.
If IP validation is selected, and at the same time
max_dynamic_ip_addresses
is set to zero, then static IP addresses must
be defined too. Note that static IP addresses may be defined even if dynamic
IP addresses are allowed. It is suggested that
max_virtual_mac_addresses
is set to
max_dynamic_ip_addresses
plus the number of static IP addresses that are defined.
The
arp_and_dhcp_tag
attribute is used to define a parallel VLAN ID for the
uplink traffic to or from a switching domain (
vlan
). Upstream traffic on the
uplink is tagged according to the ordinary configured VLAN ID in the switching
domain (
vlan
) resource. Downstream traffic from an uplink, marked with this
arp_and_dhcp_tag
VLAN ID tag, is also accepted by this switching domain.
Option_82
makes it possible for system to add specific enduser information
in DHCP messages from endusers so that the DHCP server may include end
user identity in the process that allocates the IP address.
Example:
efn#
set vlan 10 multicast igmp_snooping
13.9
System Configuration
Table 14
System Commands
Command
Description
Page
cli
Set parameters for autologout,
heartbeat and prompt.
148
copy
Copy a configuration file from a server
to the EFN324.
149
Содержание EFN324
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