Cisco Nexus 5548
Layer 3 Functionality
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Layer-3 on Nexus 5500 Series
Extensible
Flexible
Robust
Feature Rich IPv4
• Add L3 to existing 5548s
Deploy with Advanced Features
• 1GE/10GE Linerate L3
• Modular NX-OS
• 160Gbps of L3 processing
• Virtual Port Channel (vPC)
• SVIs
• Standards-compliant L3
• Basic and Advanced
features
• Fabric Extenders (FEX)
• VRFs and VRF-Lite
• FCoE
• Port-channels and ECMP
• L3 derived from Nexus
7000
• VN-Link
• OSPF, RIP, EIGRP, BGP
• Flexible licensing model
• Add more L3 processing
as needed on 5596 (future)
• IGMP, PIM
Future proof
• HSRP, VRRP
• IPv6 capable hardware
• QoS
• FabricPath/TRILL compatible
• uRPF and RACLs
• L3 stack in use by over
4000 customers
• SNMP and DCNM support
Powered by Cisco NX-OS Data Center Operating System
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Shipping
Now!
Cisco Nexus 5548P
First Switch in the Nexus 5500 Platform
Back of
the Switch
• 32 Fixed SFP+ Ports
• Line Rate
• Hardware Capable of 1/10 Gigabit Ethernet
• Traditional Ethernet or Fibre Channel over Ethernet
Expansion Modules (GEM2)
• 16p SFP+ Ethernet Ports
• 8p Eth + 8p Native FC
Front of
the Switch
Front to Back
Airflow
Mgmt 0, Console, USB
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Redundant 750W AC Power Supplies
Redundant Fan Modules
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Generic Expansion Modules
Shipping
Now!
Added Flexibility
N55-M16P
• 16p SFP+ Ethernet Ports
• All Ethernet Ports hardware capable
of 1/10 Gigabit Ethernet
N55-M8P8FP
• 8p SFP+ Ethernet Ports
• 8p Native FC Ports 8/4/2/1G
• All Ethernet Ports hardware capable
of 1/10 Gigabit Ethernet
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Introducing Layer 3 Capabilities
Enabling new Nexus 5500 deployments
Orderable
Now!
N55-D160L3
• Daughter-card for Nexus 5548P
• In-rack upgradeable for deployed units
• Enables Layer 3 on all 48 10GE ports
• 160Gbps (240Mpps) of Layer 3 processing
• Additional 100W power consumption
Available
Soon!
N55-M160L3
• Expansion module for Nexus 5596P
• No front-panel ports
• Enables Layer 3 on all ports of 5596P
• 160Gbps (240Mpps) of Layer 3 processing
• Expandable to 480Gbps of processing*
• Functions as 48 port Linerate router*
• Not compatible with 5548P
• Additional 100W power consumption per module
* Enabled in future with software upgrade when 3 modules will be hosted
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Nexus 5500 Series
Layer 3 support overview
Layer 3 Features – IOS-like CLI
Unicast routing: Static routing, RIPv2, OSPFv2, EIGRP, BGP
Up to16K IPv4 Host (/32 entries) Routing Table
Up to 8K IPv4 Longest Prefix Match Routing Table
Multicast routing: IPv4 PIM, IGMP v2/3
Up to 2K IPv4 Multicast Groups
Interfaces: Routed 1/10GE, SVI, Port-channel, 16-way ECMP
Segmentation: VRFs and VRF-Lite (IP VPNs)
Quality of Service: Marking, Scheduling and Policing (MQC)
Redundancy: HSRP, VRRP
Security: Broadcast/Multicast suppression, Unicast RPF (uRPF) checks, RACL
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Layer 3 Software License
N55-BAS1K9
• Free base Layer 3 software license
• Static Routing, RIPv2, OSPFv2, EIGRP-stub
• HSRP, VRRP
• IGMP v2/v3, PIMv2 (sparse mode)
• Routed ACL and uRPF
• Scalability limited to 256 dynamically-learned routes
N55-LAN1K9
• Advanced Layer 3 software license
• Includes all functionality of base license
• Full EIGRP
• BGP support
• VRF-Lite (IP-VPN) support
• Scalable to 8K routes
Use install license command under configuration context to install L3 license
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Layer 3 Feature Details at FCS
Feature
Details
L3 interface
• L3 interface (non-FEX ports)
• L3 sub-interface
• SVI (FEX ports could be members of VLANs)
• Port channels
VRF
• VRF-lite
• VRF aware Unicast -BGP/OSPF/RIP
• VRF Aware Multicast
BGP
• Peer templates
• Neighbor Authentication
• Route Reflectors
• BGP Confederations
• Route Aggregation
• BGP Dampening
• Route Refresh Capability
• Graceful Restart
• ECMP
• Route Redistribution
• Route Filtering
• VRF aware BGP
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Layer 3 Feature Details at FCS
Feature
Details
OSPF
• Supports all type of OSPF Area
• Authentication
• Area Filter-list
• Virtual Link
• Graceful Restart
• ECMP
• Route Redistribution
• Route Filtering – Prefix-list, Filter-list
• LSA & SPF Throttling
• VRF Aware OSPF
RIP
• MD5 Authentication
• Route Redistribution
• Route filtering
• VRF Aware
EIGRP
• Authentication
• Route Summarization
• Route Redistribution
• Route filtering
Static route
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Layer 3 Feature Details at FCS
Feature
Details
Multicast
• PIM-SM
• MSDP
• RP Selection – Static, Auto , Any cast, BSR
• SSM
• VRF Aware PIM-SM/IGMP
IGMP
• Version 2, 3
uRPF
Strict and Loose mode, uRPF with ACL
ACL
Router ACL with L3 & L4 options to match
HSRP/VRRP
Object Tracking, Preemption, MD5 Authentication, VRF Aware
Other
SPAN, ECMP (16)
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Layer 3 on Nexus 5548P
Flexibility, Choice, and Future-Proofing
Orderable
Now!
Layer 3 Daughtercard
Front of
the Switch
N55-D160L3
• Field Replaceable Daughtercard
• Upgradeable in-Rack
• No Un-mounting Required
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Flexibility
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Choice
Future
Proofing
11
Installing Layer 3 on Nexus 5548
A 3-Step Process
Orderable
Now!
2
Unscrew the IO Module
Pull the IO Module out
Front of
the Switch
3
Plug and Screw the L3 IO Module
Plug and Screw the Fan Modules
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Unscrew the Fan Modules
Pull the Fan Modules out
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Nexus 5548 Layer 3
Architecture and Forwarding
Layer 3 Daughter Card
N5548P
Layer 2
Forwarding
Path
Layer 3
Forwarding
Path
Layer 3 Forwarding Engine
160Gbps (312Mpps) processing capacity
UPC
UPC
X-Bar Fabric
UPC
UPC
UPC
UPC
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UPC
16-port Expansion module
32 Fixed Ports
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UPC
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Nexus 5596 – Layer 3 Expansion Module
5596 Configured with one Layer 3 Expansion Module
L3 Expansion Module
5596 Configured with three Layer 3 Expansion Modules*
* Support in Future with Software Upgrade
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Nexus 5596 Layer 3
Architecture and Forwarding
Layer 2
Forwarding Path
N5596UP
Layer 3
Forwarding Path
16-port Expansion module
Layer 3 Expansion Module
16-port Expansion module
Layer 3 Forwarding Engine
UPC
UPC
UPC
UPC
UPC
UPC
UPC
UPC
X-Bar Fabric
UPC
UPC
UPC
UPC
48 Fixed Ports
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Nexus 5596 as a 48 Port 10GE Linerate Router*
* Available in future with software upgrade
Layer 2
Forwarding Path
N5596UP
Layer 3
Forwarding Path
Layer 3 Expansion Module
Layer 3 Expansion Module
Layer 3 Expansion Module
Layer 3 Forwarding Engine
Layer 3 Forwarding Engine
Layer 3 Forwarding Engine
UPC
UPC
UPC
UPC
UPC
UPC
UPC
UPC
X-Bar Fabric
UPC
UPC
UPC
UPC
48 Fixed Ports
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