Revision 1.3a
Page 86
XLR 550 Manual
Device #1 Configuration Example
Device #2 Configuration Example
5.1.5.
VLAN Stacking (Q-in-Q)
5.1.5.1.
Overview
The 802.1Q standard defines that VLAND may have up to 4096 members. If however a network is larger
than 4096 VLAN
’
s, then the allocation of VLAN-Ids is subjected to various restrictions. In order to
resolve this problem, the XLR 550 supports MAC-In-MAC, and Q-In-Q
The example below shows that the XLR 550 transmits
‘
provider tag
’
which was integrated by several
‘
customer tag
’
through the function of Q-in-Q.
Figure 5.5
Network Diagram
e0 e1 e2 e3
VLAN 10
VLAN 20
VLAN 30
VLAN 40
VLAN 10
VLAN 20
VLAN 30
VLAN 40
s0
VLAN Stacking
Aware S/W
Metro Ethernet Network
100 / 10
100 / 20
100 / 30
100 / 40
Provider Tag /
Customer Tag
Device #1
XLR 550> (enable)
set devicetype co
XLR 550> (enable)
restart pme all
This command will restart all pmes.
Do you want to continue (y/n) [n]?
y
XLR 550> (enable)
set vlmode trunk
This command will flush all vlan group.
Do you want to continue (y/n) [n]?
y
XLR 550> (enable)
set trunk 200-1024 e0,s0
XLR 550> (enable)
set trunk 4094 s0
XLR 550> (enable)
set interface m1 vid 4094
XLR 550> (enable)
set devicetype rt
XLR 550> (enable)
restart pme all
This command will restart all pmes.
Do you want to continue (y/n) [n]?
y
XLR 550> (enable)
set vlmode trunk
This command will flush all vlan group.
Do you want to continue (y/n) [n]?
y
XLR 550> (enable)
set trunk 200-1024 e0,s0
XLR 550> (enable)
set trunk 4094 e0,s0
XLR 550> (enable)
set interface m1 vid 4094