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Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09
Chapter 35 Layer 2 Control Protocol Peering, Forwarding, and Tunneling
How to Configure Layer 2 Control Protocol Peering, Forwarding, and Tunneling
Configuring Layer 2 Peering
The ASR 901 router supports layer 2 peering functionality on a per Ethernet Flow Point (EFP) basis. It
supports a maximum packet rate of 10 packets ps (per interface) for a protocol, and 100 packets ps for
all protocols (on all interfaces).
Table 35-1 displays the supported defaults and configuration options for the Cisco ASR 901 router.
Table 35-1 Options Supported on the ASR 901 Router
Complete the following steps to configure layer 2 peering:
Restrictions
If an EFP is configured with layer 2 peering, then L2CP packets coming on the EFP is sent to the CPU
for local protocol processing.
SUMMARY STEPS
1. enable
2. configure terminal
3. interface type number
4. service instance id ethernet
5. encapsulation encapsulation-type
6. l2protocol peer [protocol]
Protocol Packet Type Default Action Configuration Option
CDP Untagged Peer Peer/Forward/Tunnel
DTP Untagged Peer Peer/Forward/Tunnel
LACP Untagged Peer Peer/Forward/Tunnel
LLDP Untagged Peer Peer/Forward/Tunnel
STP Untagged Peer Peer/Forward/Tunnel
VTP Untagged Peer Peer/Forward/Tunnel
CDP Tagged Drop Forward/Tunnel
DTP Tagged Drop Forward/Tunnel
LACP Tagged Drop Forward/Tunnel
LLDP Tagged Drop Forward/Tunnel
STP Tagged Drop Forward/Tunnel
VTP Tagged Drop Forward/Tunnel