Application Note Configuring and Deploying Ethernet Switching on SRX Series Devices
2 © 2016 Juniper Networks, Inc.
SRX300, SRX320, SRX340,
SRX345, SRX550M
SRX1500 Only
Physical Interfaces must be added to Zones
IRB interfaces (not physical ) must
be added to zones
Table 2 – Software Support Scope on SRX Series Devices
The Ethernet switching features on SRX Series branch devices are based on Juniper Networks
EX Series Ethernet switches, which follow the Enhanced Layer 2 Switching (ELS) configuration
method.
Feature and Capabilities
This section describes the Ethernet switching feature and capabilities on SRX Series Services
gateways.
Supported Features
As of Junos OS Release 15.1X49-D50, the following features are supported:
Layer 2 switching of traffic, including support for both trunk and access ports
Intra-VLAN and Integrated Routing and Bridging (IRB) for Inter-VLAN traffic
Link Aggregation using the Link Aggregation Control Protocol (LACP)
Limitations
As of Junos OS Release 15.1X49-D50, the following features are not supported. Please check
the release notes for more details.
IEEE 802.1x authentication
Link Layer Discovery Protocol (LLDP), LLDP-MED (available in Junos OS 15.1X49-D60)
Ethernet switching in HA (Chassis Cluster)
Spanning Tree Protocol (STP)
Rapid Spanning Tree Protocol (RTSP)
Multiple Spanning Tree Protocol (MSTP)
IGMP snooping
IEEE 802.1Q (dot1q) tunneling (Q-in-Q)
IRB support in Packet mode (available in 15.1X49-D60 release)
Port Security features (MAC limiting, allowed MAC address)
GVRP / MVRP
Ethernet OAM, CFM, and LFM