Juniper EX9251

Juniper EX9251

EX9251 Ethernet Switch is a fixed-configuration 1 U chassis that supports 8-port 1GbE/10GbE and 4-port 40GbE/100GbE

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Thiết bị mạng Switch Juniper EX9251

ArchitectureSingle data, control, and management plane
PowerHolds up to two power supplies:
• -40 to -72 V DC (1+1 redundancy)
• Autosensing 120/240 V AC (1+1 redundancy)
• Maximum power draw: 312 W (DC), 300 W (AC)
CoolingInternally redundant fan tray with front-to-back airflow
Weight (fully loaded)23.15 lb (10.5 kg)
Maximum throughputUp to 800 Gbps
Routing Engine (RE)Integrated single RE
1.6 GHz, 8 core Intel Xeon processor
Up to 32 gigabytes DRAM
Solid-state drive (SSD) (up to 100 GB)
Console, auxiliary serial, and Ethernet management
USB storage interface
Operating systemJuniper Networks Junos operating system
High availabilityHardware designed for continuous operation:
• Secure, modular architecture that isolates faults
• Separate control and forwarding planes that
enhance scalability and resiliency
Layer 2 featuresUp to 1 million MAC addresses
Up to 512,000 Address Resolution Protocol (ARP) entries with mid-scale (ML) license (256,000 entries without ML license)
Up to 512,000 forwarding information base (FIB) entries with ML license (256,000 entries without ML license)
Jumbo frames (9192 bytes maximum)
32,000 VLANs
VLAN Registration Protocol
802.3ad—Link Aggregation Control Protocol (LACP)
802.1D—Spanning Tree Protocol (STP)
802.1w—Rapid Spanning Tree Protocol (RSTP)
802.1s—Multiple Spanning Tree Protocol (MSTP)
VLAN Spanning Tree Protocol (VSTP)
Layer 2 Protocol Tunneling (L2PT)
Layer 3 features1 million IPv4 routing information base (RIB)
1 million IPv6 RIB
Static routing
RIP v1/v2
OSPF v1/v2
Filter-based forwarding
Virtual Router Redundancy Protocol (VRRP)
Bidirectional Forwarding Detection (BFD)
Virtual routers
BGP (Advanced Feature license)
IS-IS (Advanced Feature license)
Hardware tunnelingGRE tunnels
MPLS capabilities (Advanced Feature License)
Ethernet VPNs
MulticastUp to 256,000 IPv4 multicast routes
Up to 256,000 IPv6 multicast routes
Internet Group Management Protocol (IGMP) v1/v2/v3
IGMP snooping
Multicast Listener Discovery (MLD) v1/v2
MLD snooping
Protocol Independent Multicast PIM-SM, PIM-SSM, PIM-DM
Multicast Source Discovery Protocol (MSDP)
Firewall fltersIngress and egress L2-L4 access control lists (ACLs):
Port ACLs
Router ACLs
Control plane denial-of-service (DoS) protection
Quality of service (QoS)16,000 policers per chassis
8 egress queues per port
Weighted random early detection (WRED) scheduling
Weighted round-robin (WRR) queuing
Strict priority queuing
VirtualizationIntegration with Juniper Contrail Platform
Integration with VMware NSX vSphere
Network virtualization protocols such as VXLAN
VXLAN L2 and L3 gateway
ManagementJunos OS CLI
Junos XML management protocol
SNMP v1/v2/v3
Extensive MIB support
Firewall-based port mirroring
Link Layer Discovery Protocol (LLDP)
Advanced Insight Solutions (AIS)