User Manual
COGE5, COGE5-F
page 33 of 110
© KEYMILE December 2015
EN/LZTBU 372 144/3 RA
110
Functional Description
The following table summarises the main features of the COGE5 switch cir-
cuit.
The XMC20 Switch supporting the
VLAN Bridge
function is a VLAN aware
switch. The COGE5 external Ethernet interfaces are used as bridge ports of
the XMC20 Switch and support all available bridge port modes as described
in the
[356] User Manual “Ethernet Switching”
.
The XMC20 Switch supporting the
MPLS-TP Transport
function. MPLS-TP
supports two services:
Table 16:
COGE5 switch features
Feature
Details
Generic
Main feature
L2 switching
No. of ports
28
Internal packet buffer
1.5 MB
MAC addresses
up to 16’000
a
a. 16’000 is the maximum value reachable with random MAC addresses (real traffic in
the field). Note that with sequential MAC addresses as they are used in stress or
acceptance test scenarios the maximum value can be reduced.
VLAN
VLAN support (802.1Q)
Yes
VLAN no.
4089 (1-4089)
VLAN tag stacking support (802.1Q,
Q-in-Q))
Yes
VLAN tag stacking support (802.1ad)
No
b
b. Will be available in a future release.
IVL (Independent VLAN Learning)
c
c. MAC learning on a per VLAN basis.
Yes
MPLS-TP
Virtual Private Wire Service (VPWS)
yes
VPWS Attachment Circuit (AC)
AC port based,
AC VLAN based,
AC untagged
VPWS Pseudo Wire VLAN handling
No change,
Add VLAN,
Change VLAN
Virtual Private LAN Service (VPLS)
yes
VPLS Attachment Circuit (AC)
(= Switch Virtual Interface (SVI)
attached to the XMC20 Switch)
AC VLAN based
VPLS Pseudo Wire VLAN handling
No change,
Change VLAN
MPLS tunnel roles
Transit,
Initiator,
Terminator
MPLS label range
16 … 1’048’575
QoS
CoS (802.1p)
Yes
Output queues
8
Weighted scheduling
Yes
Shaping support
Yes (future release)
Link functions
Split horizon
Yes