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_nxos-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_note.html
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.
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4.2 |
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Object Tracking |
Added support for delay timers. |
4.2(4) |
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BGP |
Lowered BGP hold-time check for ISSU to eight seconds. |
4.2(3) |
Chapter 10, "Configuring Basic 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" |
EIGRP |
Added support limits on redistributed routes and graceful shutdown. |
4.2(1) |
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GLBP |
Added support for extended hold timers. |
4.2(1) |
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HSRP |
Added support for extended hold timers. |
4.2(1) |
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IS-IS |
Added support limits on redistributed routes and graceful shutdown. |
4.2(1) |
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Managing Routes |
Added support dynamic TCAM allocation and IPv6 consistency checker. |
4.2(1) |
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OSPF |
Added support limits on redistributed routes and multi-area adjacency. |
4.2(1) |
Chapter 6, "Configuring OSPFv2" |
Route Policy Manager |
Added support IPv6 and extended communities. |
4.2(1) |
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Policy-based routing |
Added support IPv6. |
4.2(1) |
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First-hop redundancy protocols |
Added support for stateful switchover. |
4.2(1) |
Chapter 18, "Configuring GLBP" Chapter 19, "Configuring HSRP" |
WCCP |
Added support WCCPv2 |
4.2(1) |
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4.1 |
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HSRP |
Added support for vPC threshold values on HSRP priority. |
4.1(3) |
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BGP |
Added support dynamic AS numbers for prefix peers. |
4.1(2) |
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EIGRP |
Added support for IPv6. |
4.1(2) |
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IS-IS |
Added support to set or unset the attached bit. |
4.1(2) |
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Route Policy Manager |
Added support dynamic AS numbers in route maps. |
4.1(2) |
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Object Tracking |
Added support for IPv6. |
4.1(2) |
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4.0 |
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ARP |
Added support for gratuitous ARP. |
4.0(3) |
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EIGRP |
Added support for EIGRP authentication within a VRF. |
4.0(3) |
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EIGRP |
Added support for EIGRP4-MIB |
4.0(3) |
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EIGRP |
Modified the default EIGRP maximum paths to 8. |
4.0(2) |