Cisco Nexus 5548 Layer 3 Functionality

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29 Οκτ 2013 (πριν από 3 χρόνια και 11 μήνες)

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Presentation_ID

1

Cisco
Nexus 5548

Layer 3 Functionality

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2

2

2

Layer
-
3 on Nexus 5500 Series

Flexible

Extensible

Deploy with Advanced Features


Virtual
Port Channel (
vPC
)


Fabric Extenders (
FEX
)


FCoE


VN
-
Link


Future proof


IPv6

capable hardware


FabricPath
/TRILL compatible



Add
L3

to existing
5548s


160Gbps

of
L3

processing


Basic and Advanced
features


Flexible licensing model


Add more
L3

processing
as needed on 5596 (future)

Powered by Cisco NX
-
OS Data Center Operating System

Feature Rich
IPv4


1GE
/
10GE

Linerate

L3


SVIs


VRFs

and
VRF
-
Lite


Port
-
channels and
ECMP


OSPF
, RIP,
EIGRP
,
BGP


IGMP
, PIM


HSRP
,
VRRP


QoS


uRPF

and
RACLs


SNMP and
DCNM

support


Robust


Modular
NX
-
OS


Standards
-
compliant
L3


L3

derived from Nexus
7000


L3

stack in use by over
4000 customers

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Presentation_ID

3

Cisco Nexus 5548P

First Switch in the Nexus 5500 Platform

Mgmt 0, Console, USB

Redundant Fan Modules

Redundant 750W AC Power Supplies



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

Back of
the Switch

Front of
the Switch


Front to Back
Airflow

Shipping

Now!

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4

Generic Expansion Modules

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

Shipping

Now!

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Presentation_ID

5

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

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

Available
Soon!

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Presentation_ID

6

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

Nexus 5500 Series

Layer 3 support overview

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7

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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Presentation_ID

8

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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9

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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Presentation_ID

10

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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11

Layer 3 on Nexus
5548P

Flexibility, Choice, and Future
-
Proofing

Front of
the Switch

Layer

3

Daughtercard

N55
-
D160L3



Field Replaceable

Daughtercard



Upgradeable in
-
Rack



No Un
-
mounting Required

Flexibility

Choice

Future

Proofing

Orderable

Now!

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Presentation_ID

12

Installing Layer 3 on Nexus 5548

A 3
-
Step Process

Front of
the Switch

Unscrew the Fan Modules

Pull the Fan Modules out

Unscrew the IO Module

Pull the IO Module out

1

2


Plug and Screw the L3 IO Module

Plug and Screw the Fan Modules


3

Orderable

Now!

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Presentation_ID

13

Nexus 5548 Layer 3

Architecture and Forwarding

Layer 3 Forwarding Engine

160Gbps

(
312Mpps
) processing capacity

N5548P

X
-
Bar Fabric

UPC

UPC

UPC

UPC

32 Fixed Ports

UPC

UPC

UPC

UPC

16
-
port Expansion module

Layer 3 Daughter Card

Layer 2
Forwarding
Path

Layer 3
Forwarding
Path

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14

Nexus 5596


Layer 3 Expansion Module

L3 Expansion Module

5596 Configured with three Layer 3 Expansion Modules*

* Support in Future with Software Upgrade

5596 Configured with one Layer 3 Expansion Module

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15

Nexus 5596 Layer 3

Architecture and Forwarding

Layer 3 Forwarding Engine

N5596UP

X
-
Bar Fabric

48
Fixed Ports

UPC

UPC

UPC

UPC

Layer 3 Expansion Module

Layer 2
Forwarding Path

Layer 3
Forwarding Path

UPC

UPC

UPC

UPC

UPC

UPC

UPC

UPC

16
-
port Expansion module

16
-
port Expansion module

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16

Nexus 5596 as a 48 Port
10GE

Linerate

Router*

* Available in future with software upgrade

N5596UP

X
-
Bar Fabric

48
Fixed Ports

UPC

UPC

UPC

UPC

Layer 2
Forwarding Path

Layer 3
Forwarding Path

Layer 3 Forwarding Engine

Layer 3 Expansion Module

UPC

UPC

UPC

UPC

Layer 3 Forwarding Engine

Layer 3 Expansion Module

UPC

UPC

Layer 3 Forwarding Engine

Layer 3 Expansion Module

UPC

UPC

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Presentation_ID

17