Juniper EX8208 EX8208-BASE-AC 데이터 시트
제품 코드
EX8208-BASE-AC
2
At 14 rack-units (RUs) high, three EX8208 Ethernet Switches can
fit in a standard 42 RU rack, enabling up to 1,152 Gigabit Ethernet
or 960 10-Gigabit Ethernet ports in a single rack. At just 21 inches
deep, the EX8208 is sufficiently compact to fit into typical wiring
closets, making it ideal for campus deployments where space is at
a premium.
fit in a standard 42 RU rack, enabling up to 1,152 Gigabit Ethernet
or 960 10-Gigabit Ethernet ports in a single rack. At just 21 inches
deep, the EX8208 is sufficiently compact to fit into typical wiring
closets, making it ideal for campus deployments where space is at
a premium.
The EX8208 features a switch fabric that is capable of delivering 320
Gbps (full duplex) per slot, enabling scalable wire-rate performance
on all ports for any packet size. The passive backplane design
supports a future capacity of up to 6.2 Tbps, providing a built-in
migration path to next-generation deployments.
Gbps (full duplex) per slot, enabling scalable wire-rate performance
on all ports for any packet size. The passive backplane design
supports a future capacity of up to 6.2 Tbps, providing a built-in
migration path to next-generation deployments.
The base-configuration EX8208 Ethernet Switch includes a
side-mounted hot-swappable fan tray with variable-speed fans,
one Switch Fabric and Routing Engine (SRE) module, and one
dedicated Switch Fabric module. Base EX8208 switches also
ship with either two 2000 watt or two 3000 watt power supplies,
although six power supply bays allow users to provision the
chassis to provide the power and redundancy required for any
application. Redundant EX8208 configurations include a second
SRE module for hot-standby resiliency while AC or DC power
options provide complete redundancy, reliability, and availability.
All components are accessible from the front, simplifying repairs
and upgrades.
side-mounted hot-swappable fan tray with variable-speed fans,
one Switch Fabric and Routing Engine (SRE) module, and one
dedicated Switch Fabric module. Base EX8208 switches also
ship with either two 2000 watt or two 3000 watt power supplies,
although six power supply bays allow users to provision the
chassis to provide the power and redundancy required for any
application. Redundant EX8208 configurations include a second
SRE module for hot-standby resiliency while AC or DC power
options provide complete redundancy, reliability, and availability.
All components are accessible from the front, simplifying repairs
and upgrades.
A front-panel chassis-level LCD panel displays Routing Engine
status as well as chassis component alarm information for
rapid problem identification and resolution to simplify overall
operations. The LCD also provides a flexible, user-friendly interface
for performing device initialization and configuration rollbacks,
reporting system status and alarm notification, or restoring the
switch to its default settings.
status as well as chassis component alarm information for
rapid problem identification and resolution to simplify overall
operations. The LCD also provides a flexible, user-friendly interface
for performing device initialization and configuration rollbacks,
reporting system status and alarm notification, or restoring the
switch to its default settings.
Table 1: EX8208 Features at a Glance
FEATURES
DESCRIPTION
Chassis
• 14 RU; 21 in (53 cm) deep; 17.25 in (43.8 cm) wide
• 8 dedicated I/O slots
• 6.2 Tbps backplane capacity
• Dedicated data, control, and management planes
• LCD panel for system monitoring
• 8 dedicated I/O slots
• 6.2 Tbps backplane capacity
• Dedicated data, control, and management planes
• LCD panel for system monitoring
Power
• Energy efficiency: Up to 195,000 packets per second
per watt
• 6 load-sharing power supplies
• 10,000 W maximum power capacity
• 220 V AC, 110 V AC and -48 V DC options for N+1 or
• 10,000 W maximum power capacity
• 220 V AC, 110 V AC and -48 V DC options for N+1 or
N+N redundancy
Cooling
• Redundant variable-speed fans and controllers
• Side-to-side airflow
• Side-to-side airflow
Fabric
• 320 Gbps (full duplex) per slot fabric capacity
• 2+1 redundancy with dual SREs and SF card
• Full line-rate forwarding with two fabrics in system
• 2+1 redundancy with dual SREs and SF card
• Full line-rate forwarding with two fabrics in system
Routing
engine
engine
• 1+1 redundancy
• Master and backup SREs
• 2 gigabytes DRAM; 2 gigabytes Flash memory
• Console + auxiliary serial and Ethernet management
• Master and backup SREs
• 2 gigabytes DRAM; 2 gigabytes Flash memory
• Console + auxiliary serial and Ethernet management
ports
• USB storage interface
Operating
system
system
• Junos OS
FEATURES
DESCRIPTION
High
availability
availability
Hardware designed for continuous operation:
• Secure, modular architecture isolates faults
• Separate control and forwarding planes enhance
• Secure, modular architecture isolates faults
• Separate control and forwarding planes enhance
scalability and resiliency
• Transparent failover and network recovery
• Graceful Route Engine Switchover (GRES)
• Nonstop Routing (NSR)*
• Non-Stop Software Upgrade (NSSU)*
• Graceful Route Engine Switchover (GRES)
• Nonstop Routing (NSR)*
• Non-Stop Software Upgrade (NSSU)*
Layer 2
features
features
• Jumbo frames (9216 Bytes)
• 4,096 VLANs
• VLAN Registration Protocol (GVRP)
• 802.3ad – Link Aggregation Control Protocol (LACP)
• 802.1D – Spanning Tree Protocol (STP)
• 802.1w – Rapid Spanning Tree Protocol (RSTP)
• 802.1s – Multiple Instance Spanning Tree Protocol
• 4,096 VLANs
• VLAN Registration Protocol (GVRP)
• 802.3ad – Link Aggregation Control Protocol (LACP)
• 802.1D – Spanning Tree Protocol (STP)
• 802.1w – Rapid Spanning Tree Protocol (RSTP)
• 802.1s – Multiple Instance Spanning Tree Protocol
(MSTP)
• VLAN Spanning Tree Protocol (VSTP)
• Redundant Trunk Group (RTG)
• Redundant Trunk Group (RTG)
Layer 3
features
features
• Static routing
• RIP v1/v2
• OSPF v1/v2
• Filter-based forwarding
• Virtual Router Redundancy Protocol (VRRP)
• BGP (Advanced Feature license)
• IS-IS (Advanced Feature license)
• IPv6 (Advanced Feature license)
• Bidirectional Forwarding Detection (BFD)
• Virtual routers
• RIP v1/v2
• OSPF v1/v2
• Filter-based forwarding
• Virtual Router Redundancy Protocol (VRRP)
• BGP (Advanced Feature license)
• IS-IS (Advanced Feature license)
• IPv6 (Advanced Feature license)
• Bidirectional Forwarding Detection (BFD)
• Virtual routers
Hardware
tunneling
tunneling
• GRE tunnels (Advanced feature license*)
• MPLS capabilities (Advanced feature license*)
• MPLS capabilities (Advanced feature license*)
Multicast
• Internet Group Management Protocol (IGMP)
v1/v2/v3
• IGMP snooping v1/v2/v3
• Protocol Independent Multicast PIM-SM, PIM-SSM,
• Protocol Independent Multicast PIM-SM, PIM-SSM,
PIM-DM, MSDP
Firewall filters
• Ingress and egress L2-L4 access control lists (ACLs):
– Port ACLs
– VLAN ACLs
– Router ACLs
• Control plane denial of service (DoS) protection
– Port ACLs
– VLAN ACLs
– Router ACLs
• Control plane denial of service (DoS) protection
Quality of
service (QoS)
service (QoS)
• 2,000 policers per chassis
• 8 egress queues per port
• Weighted Random Early Drop (WRED) scheduling
• Shaped Deficit Weighted Round Robin (SDWRR)
• 8 egress queues per port
• Weighted Random Early Drop (WRED) scheduling
• Shaped Deficit Weighted Round Robin (SDWRR)
queuing
• Strict priority queuing
• Multi-field classification (L2 – L4) for scheduling and
• Multi-field classification (L2 – L4) for scheduling and
rewrite
Management
• Junos OS command-line interface (CLI)
• JUNOScript
• Embedded Web-based management – J-Web
• Network and Security Manager (NSM) support
• LCD panel
• SNMP v1/v2/v3
• RADIUS
• TACACS+
• Extensive MIB support
• Local and remote analyzer (mirroring)
• Link Layer Discovery Protocol (LLDP)
• Advanced Insight Solutions (AIS)
• JUNOScript
• Embedded Web-based management – J-Web
• Network and Security Manager (NSM) support
• LCD panel
• SNMP v1/v2/v3
• RADIUS
• TACACS+
• Extensive MIB support
• Local and remote analyzer (mirroring)
• Link Layer Discovery Protocol (LLDP)
• Advanced Insight Solutions (AIS)
* Roadmap