Cisco Nexus 3000 Series NX-OS Unicast Routing Command Reference

match ip address prefix-list

This command displays the message “invalid command.”

7.0(3)I2(1)

match ip address

BGP

Added the ability to configure the interval after which a BGP connection can reconnect.

6.0(2)U4(1)

reconnect-interval (BGP)

BGP

Added the ability to delay route deletion from the hardware.

6.0(2)U4(1)

route delete dampen interval

BGP

Added the ability to configure BGP prefix peering wait timers.

6.0(2)U4(1)

timers prefix-peer-wait

BGP

Added the ability to configure BGP to shrink ECMP groups in an accelerated way when a session goes down.

6.0(2)U4(1)

neighbor-down

BGP

Added the ability to configure a minimum route advertisement interval (MRAI) between the sending of BGP routing updates.

6.0(2)U4(1)

advertisement-interval (BGP)

BGP

Added the ability to advertise newly learned BGP routes (IPv4 and IPv6) only after these routes are confirmed by the Forwarding Information Base (FIB) and programmed in the hardware.

6.0(2)U4(1)

suppress-fib-pending

BFD

Added support for BFD with IPv6

6.0(2)U4(1)

bfd interval

ipv6 route

ipv6 route static bfd

bfd echo-rx-interval

bfd slow-timer

BGP

Added support for RFC 5549

6.0(2)U4(1)

ip forward

Prefix Matching

Added support for masks for prefix lists.

6.0(2)U3(1)

ip prefix-list

ECMP Recovery

Added this feature.

6.0(2)U3(1)

hardware profile ecmp auto-recovery threshold

Policy-Based Routing

Added this feature.

6.0(2)U2(1)

feature pbr

ip policy route-map

hardware profile ucast6 lpm-65-to-127-max-limit command

Added this command to reserve unicast IPv6 entries of mask length 65 to 127 for the LPM table.

6.0(2)U2(1)

hardware profile ecmp auto-recovery threshold

hardware profile unicast enable-host-ecmp

Added new options to retain ARP and ND routes in the host table.

6.0(2)U2(1)

hardware profile unicast enable-host-ecmp

remove-private-as command

Added new options for the command to remove private AS numbers from the AS-path.

6.0(2)U2(1)

remove-private-as

Interface IP Address for ICMP Source IP Field command

Added the command to configure the interface IP address for the ICMP sourve IP field.

6.0(2)U2(1)

ip source

Disabling BGP Dampening with Redistribution command

Added the command to configure BGP dampening for redistributed routes.

6.0(2)U2(1)

dampen-igp-metric

eBGP Next Hop Unchanged command

Added the eBGP Next Hop Unchanged command.

6.0(2)U2(1)

set ip next-hop unchanged

BGP Additional Path commands

Added description for several new commands in support of BGP Additional Path features.

6.0(2)U1(1)

additional-paths receive

additional-paths selection

additional-paths send

capability additional-paths receive

capability additional-paths send

set path-selection all advertise

Show bfd commands

Changed applicable mode from any mode to exec mode to comply with Release 6.0(2)U1(1) restrictions.

6.0(2)U1(1)

show bfd neighbors

ECMP for host route

Added the ability to enable or disable ECMP separately for IPv4 host routes or IPv6 host routes.

5.0(3)U5(1d)

hardware profile ucast6 max-limit

ECMP Routing Hash

Added support for load-balancing hash for a specific flow.

5.0(3)U5(1)

hardware ecmp hash-offset

show routing hash

AS Peer reflection

This feature was introduced.

5.0(3)U5(1)

disable-peer-as-check

BFD for static routes

This feature was introduced.

5.0(3)U4(1)

ip route static bfd

Syslog Thresholds for System Resources

This feature was introduced.

5.0(3)U3(2)

hardware profile unicast syslog-threshold

ip arp syslog-threshold

BFD for OSPF

This feature was introduced.

5.0(3)U3(1)

bfd (OSPF)

IPv6 Support

This feature was introduced.

Updated the hardware profile tcam region command.

5.0(3)U3(1)

address-family ipv6 unicast

area filter-list (OSPFv3)

hardware profile ecmp auto-recovery threshold

ipv6 nd

show ipv6 nd interface

Next Hop Self Support for BGP Route Reflector Clients

This feature was introduced.

5.0(3)U3(1)

set ip next-hop peer-address

Support for switched virtual interface (SVI) counters

This feature was introduced.

5.0(3)U3(1)

show interface vlan counter

show vlan id counter

ECMP for host routes

This feature was introduced.

5.0(3)U2(2)

hardware profile ucast6 max-limit

Bidirectional Forwarding Detection (BFD) for the Border Gateway Protocol (BGP)

This feature was introduced.

5.0(3)U2(2)

bfd

bfd echo-rx-interval

bfd interval

bfd ipv4

bfd optimize subinterfaces

bfd slow-timer

feature bfd

ip redirects

show bfd neighbors

show running-config bfd

show startup-config bfd

IP Glean Throttle

This feature was introduced.

5.0(3)U2(1)

hardware ip glean throttle

hardware ip glean throttle maximum

hardware ip glean throttle syslog

hardware ip glean throttle timeout

BGP multipath advertisements from different autonomous systems

The bestpath as-path multipath-relax (BGP) command was added.

5.0(3)U1(2)

bestpath all-paths-ecmp

Virtual forwarding and routing (VRF)

This feature was introduced.

You can configure VRF, VRF-lite features, and the IP features for a VRF.

5.0(3)U1(1)

vrf

vrf context (Layer 2)

vrf context (Layer 3)

vrf member

Unicast Routing

This feature was introduced.

The following Layer 3 unicast routing features are supported in this release:

• Internet Protocol version 4 (IPv4)
• Open Shortest Path First version 2 (OSPFv2)
• Enhanced Interior Gateway Routing Protocol (EIGRP)
• Border Gateway Protocol (BGP)
• Routing Information Protocol (RIP)
• Unicast Routing Information Base (RIB) and Forwarding Information Base (FIB)
• Hot Standby Router Protocol (HSRP)
• Virtual Router Redundancy Protocol (VRRP)
• Static routing
• Layer 3 virtualization
• Route Policy Manager
• Object tracking

You can also Unicast Reverse Path Forwarding (Unicast RPF) on an interface.

5.0(3)U1(1)

Unicast Routing Commands

Unicast Routing Show Commands