Cisco Nexus 7000 Series NX-OS Unicast Routing Configuration Guide, Release 6.x
New and Changed Information
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Table of Contents

New and Changed Information

New and Changed Information

The table below summarizes the new and changed features for this document and shows the releases in which each feature is supported. Your software release might not support all the features in this document. For the latest caveats and feature information, see the Bug Search Tool at https://tools.cisco.com/bugsearch/ and the release notes for your software release.

 

Table 1 New and Changed Features for Release 6.x

Feature
Description
Changed in Release

BGP

Added support for RFC 5549.

6.2(8)

Advanced BGP

Added support for the BGP Next-Hop Unchanged feature.

6.2(8)

Advanced BGP

Added the ability to configure an IPv4 route over an IPv6 next-hop.

6.2(8)

Basic BGP

Added support for the BGP PIC Edge feature.

6.2(8)

BGP MIBs

Added support for CISCO-BGP-MIBv2 MIB.

6.2(8)

Prefix peering

Added support for the timers prefix-peer-wait command.

6.2(8)

Unicast FIB

Removed references to the deprecated show ip fib commands.

6.2(6)

Static Route over VLAN

Added support for configuring a static route without next hop over a VLAN, also known as switch virtual interface (SVI).

6.2(2a)

4-byte AS numbers

Added the ability to configure 4-byte AS numbers in asdot notation.

6.2(2)

ARP

Configures the maximum number of ARP entries in the neighbor adjacency table

6.2(2)

BGP

Added BFD support for the IPv6 address family.

6.2(2)

BGP

Added the ability to configure BGP to advertise the default route.

6.2(2)

BGP

Added the ability to advertise routes that are suppressed by the aggregate-address command.

6.2(2)

BGP conditional route injection

Introduced this feature.

6.2(2)

Duplicate address detection

Added the ability to set the number of consecutive neighbor solicitation messages that the device sends from the IPv6 interface.

6.2(2)

EIGRP

Added support for route-map filtering.

6.2(2)

EIGRP

Added support for configuring the administrative distance of routes.

6.2(2)

EIGRP

Added the ability to configure all EIGRP interfaces as passive by default.

6.2(2)

FabricPath anycast HSRP

This feature was introduced.

6.2(2)

Glean optimization

Introduced this feature to improve the performance of glean packets.

6.2(2)

HSRP

Added support for multiple group optimization (MGO).

6.2(2)

IPv6

Added the ability to configure the maximum number of neighbor discovery entries in the neighbor adjacency table.

6.2(2)

IS-IS

Added support for configuring the administrative distance of routes.

6.2(2)

IS-IS

Added the ability to configure all IS-IS interfaces as passive by default and then activate only those interfaces where adjacencies are desired.

6.2(2)

Local policy routing

Introduced this feature.

6.2(2)

OSPFv2 and OSPFv3

Added the filter keyword to the table-map command to specify that only routes permitted by the route map are downloaded to the RIB.

6.2(2)

OSPFv2 and OSPFv3

Added the optional name-lookup parameter for OSPFv2 and OSPFv3 instances.

6.2(2)

OSPFv3

Added the ability to advertise locally generated router LSAs with the maximum metric value possible.

6.2(2)

OSPFv3 MIBs

Added OSPFv3 SNMP/trap support.

6.2(2)

Policy-based administrative distance

Introduced this feature.

6.2(2)

Reliable static routing backup using object tracking

Introduced this feature.

6.2(2)

Route policy manager

Added support for null interfaces to the match interface command.

6.2(2)

Route summarization

Added the ability to prevent discard routes from being created.

6.2(2)

TCAM utilization

Added the ability to monitor TCAM utilization on M1 Series modules.

6.2(2)

Unicast FIB

Added the ability to check for inconsistent, missing, or failed routes in the unicast FIB.

6.2(2)

Unicast RIB

Added the optional keyword longer-prefixes [ detail ] to the show routing command to display specific routes for a particular prefix.

6.2(2)

VRRPv3 and VRRS

Introduced these features.

6.2(2)

Policy-based routing

Added support for deny access control entries (ACEs) in a sequence for the following sequence-based features: VACLs, policy-based routing, and QoS.

6.1(3)

BGP

Added support for additional BGP paths.

6.1(1)

BGP

Added the ability to set the default weight for routes from a neighbor using the weight command in the neighbor address family configuration mode.

6.1(1)

IS-IS

Added support for IPv6.

6.1(1)

IS-IS

Added the no adjacency-check command to disable strict adjacency mode.

6.1(1)

Layer 3 routing using a mixed chassis

Added support for M2 Series modules.

6.1(1)

OSPFv2

Added support for more than four process instances for OSPFv2 per VDC.

6.1(1)

OSPFv2 and OSPFv3

Added support for configuring the administrative distance of routes for OSPFv2 or OSPFv3.

6.1(1)

Policy-based routing and WCCPv2

Added support for policy-based routing and WCCPv2 on the same interface if bank chaining is disabled.

6.1(1)

RIP

Added the ability to configure Cisco NX-OS RIP to be behaviorally compatible with Cisco IOS RIP in the way that routes are advertised and processed.

6.1(1)

Route policy manager

Added support for the set distance command and for the inter-area and intra-area options in the match route-type command.

6.1(1)

BGP

Added the as-path multipath-relax option to the bestpath command.

6.0(1)

BGP

Added support for setting next-hops on reflected routes using an outbound route-map.

6.0(1)

BGP bestpath

Added the med confed option to the bestpath command to f orce bestpath to do a MED comparison only between paths originated within a confederation.

6.0(1)

IPv4 and IPv6

Updated for F2 Series modules.

6.0(1)

Static routing

Updated for F2 Series modules.

6.0(1)

BFD on VRRP

Added BFD support to VRRP.

5.2(1)

BGP

Added support for the BGP PIC core feature.

5.2(1)

BGP

Added the cost-community ignore option to the bestpath command.

5.2(1)

EIGRP

Added support for EIGRP wide metrics.

5.2(1)

Maximum routes

Added support to configure the maximum number of routes allowed in the routing table.

5.2(1)

Route-map enhancements

Added support for set extcommunity cost and set extcommunity rt commands.

5.2(1)

Route-policy enhancements

Added support for set interface commands.

5.2(1)

VPN address mode

Added support for VPNv4 and VPNv6 address modes.

5.2(1)

OSPFv2

Added options for the max-metric router-lsa command.

5.1(2)

IP Glean Throttling

Added support for glean throttling rate limiters to protect the supervisor from the glean traffic.

5.1(1)

WCCP

Added support for WCCPv2 Error Handling for SPM Operations.

5.1(1)

Static routing

Added the name option to the ip route command.

5.1(1)

Layer 3 Interoperation with the N7K-F132-15 Module

Added support for the Layer 3 Interoperation with the N7K-F132-15 Module.

5.1(1)

BFD

Added support for BFD.

5.0(2)

Dynamic TCAM allocation

Enabled by default and cannot be disabled.

5.0(2)

IPv6

Added support for IPv6 Path MTU discovery

5.0(2)

HSRP

Added support for IPv6.

5.0(2)

Object Tracking

Added support for IPv6.

5.0(2)

IS-IS

Added support for BFD and stateful restart.

5.0(2)

TCAM and FIB Size

Added support for larger TCAM and FIB sizes with XL modules.

5.0(2)

Route Maps

Added support for match mac-list , match metric , and match vlan commands.

5.0(2)