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21-12
Cisco 10000 Series Router Software Configuration Guide
OL-2226-23
Chapter 21 Configuring L2VPN Interworking
Ethernet/VLAN to ATM AAL5 Interworking
Figure 21-7 Protocol Stack for ATM to Ethernet—Routed Interworking
Configuration Tasks and Examples
This section describes configuration tasks for and provides examples of two L2VPN technology solutions:
• Local Switching
• ATo M
Local Switching
Figure 21-8 shows different LS configurations.
Figure 21-8 Local Switching Model for CLI Commands
This section explains the following LS configurations and their examples:
• ATM AAL5 to Ethernet Port, page 21-12
• ATM AAL5 to Ethernet VLAN 802.1Q, page 21-13
ATM AAL5 to Ethernet Port
You can configure the ATM AAL5 to Ethernet Port feature on a PE router using the following steps:
1. config t
2. interface atm slot/subslot/port
277385
ATM
CE
ATM
PE
Eth
PE
Eth
CE
ATM EthernetMPLS Emulated VC of type TBD
ATM Routed IPv4 PDU 802.1Q EncapMPoMPLS Encap
ATM Header
IPv4 Header IPv4 Header
Control Word
Tunnel Label
VC Label
Type/Length
VLAN Tag
Data
CPCS - UU CPI
Length
CRC
LLC (AA-AA)
LLC(03) OUI (00)
OUI (00-00)
EtherType (08-00)
(00-00)
Prot. Type (08-00)
MAC Header
DA
SA
LAN FCS
Data
IPv4 Header IPv4 Header
Control Word
Tunnel Label
VC Label
(00-00)
Prot. Type (08-00)
Data Data
270315
PE
CE1
CE2