Juniper EX9251

Thiết bị mạng Switch Juniper EX9251

Architecture	Single data, control, and management plane
Power	Holds 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)
Cooling	Internally redundant fan tray with front-to-back airﬂow
Weight (fully loaded)	23.15 lb (10.5 kg)
Maximum throughput	Up 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 ports USB storage interface
Operating system	Juniper Networks Junos operating system
High availability	Hardware designed for continuous operation: • Secure, modular architecture that isolates faults • Separate control and forwarding planes that enhance scalability and resiliency
Layer 2 features	Up 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 features	1 million IPv4 routing information base (RIB) 1 million IPv6 RIB Static routing RIP v1/v2 OSPF v1/v2 OSPF v3 Filter-based forwarding Virtual Router Redundancy Protocol (VRRP) IPv6 Bidirectional Forwarding Detection (BFD) Virtual routers BGP (Advanced Feature license) IS-IS (Advanced Feature license)
Hardware tunneling	GRE tunnels MPLS capabilities (Advanced Feature License) VPLS BGP/MPLS VPNs Ethernet VPNs
Multicast	Up 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 flters	Ingress and egress L2-L4 access control lists (ACLs): Port ACLs VLAN 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
Virtualization	Integration with Juniper Contrail Platform Integration with VMware NSX vSphere Network virtualization protocols such as VXLAN VXLAN L2 and L3 gateway EVPN and VPLS for DCI
Management	Junos OS CLI Junos XML management protocol SNMP v1/v2/v3 RADIUS TACACS+ Extensive MIB support Firewall-based port mirroring Link Layer Discovery Protocol (LLDP) Advanced Insight Solutions (AIS)

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