Alcatel-Lucent 1643 AMS Applications And Planning Manual page 107

Product description
VLAN tagging - IEEE 802.1Q
The X5IP option card supports an IEEE 802.1Q compliant VLAN tagging,
classification, and filtering standard on all of its external Ethernet LAN ports or
internal WAN ports. However, note that this tagging mode is incompatible with the
port based VPN customer tagging mode.
The Ethernet packets are processed as follows:
A customer's VLAN tagged packets are VLAN classified according to the VLAN ID
contained in the VLAN tag. The system performs VLAN ingress filtering based on the
port membership of the receiving port for a specific VLAN.
A customer's untagged and priority-tagged packets are VLAN classified according to a
default port VLAN ID (PVID identification for customers through port-based VPN
customer tagging) that is assigned to the receiving port. The system inserts the PVID
in the VLAN tag. A unique VLAN ID can be provided to customers.
E/FE/GbE VLAN trunking
The X5IP option card aggregates E/FE/GbE traffic of multiple end-users over a single
external Ethernet or Fast Ethernet or Gigabit Ethernet port. Such a VLAN trunk port is
a shared member of multiple VLANs from different end-users. The VLAN ID list is
configurable during the VLAN classification process.
GARP VLAN Registration Protocol (GVRP)
The 1643 AM / 1643 AMS supports the GARP VLAN Registration Protocol (GVRP)
on the X5IP option card. This protocol is used to maintain VLAN identification
consistency and connectivity throughout the switched WAN network.
For more information about GVRP, see
(p. 11-18).
Rapid spanning tree protocol (rSTP)
The 1643 AM / 1643 AMS supports the Rapid Spanning Tree Protocol for each virtual
switch on the X5IP option card based on the IEEE 802.1D standard.
For more information about the Rapid Spanning Tree Protocol, see
tree protocol (rSTP)" (p.
Overlength Ethernet Frames
The X5IP option card supports forwarding, encapsulation, and mapping of Ethernet
frames with lengths up to 1650 octets/bytes.
The X5IP option card hardware also supports Ethernet frames with lengths up to 9216
bytes in repeater mode.
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365-312-801R7.2
Issue 3, May 2007
"GARP VLAN Registration Protocol (GVRP)"
11-17).
Alcatel-Lucent - Proprietary
See notice on first page
X5IP option card
"Rapid spanning
4-27