Cisco Nexus 7000 Series - New and Changed Information

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Cisco Nexus 7000 Series NX-OS Unicast Routing Configuration Guide, Release 4.x
OL-20002-02
New and Changed Information
This chapter provides release-specific information for each new and changed feature in the Cisco Nexus
7000 Series NX-OS Unicast Routing Configuration Guide, Release 4.x. The latest version of this
document is available at the following Cisco website:
http://www.cisco.com/en/US/docs/switches/datacenter/sw/4_2/nx-os/unicast/configuration/guide/l3_nx
os-book.html
To check for additional information about Cisco NX-OS Release 4.2 , see the Cisco NX-OS Release
Notes available at the following Cisco website:
http://www.cisco.com/en/US/docs/switches/datacenter/sw/4_2/nx-os/release/notes/42_nx-os_release_n
ote.html
Table 1 summarizes the new and changed features for the Cisco Nexus 7000 Series NX-OS Unicast
Routing Configuration Guide, Release 4.x, and tells you where they are documented.
Table 1 New and Changed Features for Release 4.x
Feature Description
Changed
in
Release Where Documented
4.2
Object Tracking Added support for delay timers. 4.2(4) Chapter 21, “Configuring Object
Tracking”
BGP Lowered BGP hold-time check for ISSU to eight
seconds.
4.2(3) Chapter 10, “Configuring Basic
BGP”
Chapter 11, “Configuring
Advanced BGP”
BGP Added support for IPv6, conditional
advertisements, 4-byte AS numbers in plaintext
notation, and extended communities.
4.2(1) Chapter 10, “Configuring Basic
BGP”
Chapter 11, “Configuring
Advanced BGP”
EIGRP Added support limits on redistributed routes and
graceful shutdown.
4.2(1) Chapter 8, “Configuring EIGRP”
GLBP Added support for extended hold timers. 4.2(1) Chapter 18, “Configuring GLBP”
HSRP Added support for extended hold timers. 4.2(1) Chapter 19, “Configuring HSRP”
IS-IS Added support limits on redistributed routes and
graceful shutdown.
4.2(1) Chapter 9, “Configuring IS-IS”