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The PfR Major/Minor Versions Rule
- The _Major Version_ numbers must be identical AND
- The _Minor Version_ of the BR must be Less Than or Equal To the _Minor Version_ of the MC for a connection to be established.
If the Master Controller (MC) was at Version 3.3 and the Border Router was at Version 3.1 that would be OK as the BR Minor version number is less than the MC minor version number.
On the other hand, If the Master Controller (MC) was at Version 3.0 and the Border Router was at Version 3.2 that would NOT BE OK as the BR Minor Version Number is greater than the MC Minor Version Number.
The table below helps show the relationships between PfR MC and BR Minor Version Numbers.
|MC Version||BR Version||OK or Not||Comments|
|3.3||3.1||OK||Your MC is Running NEWER IOS (PfR) than your BR - OK|
|3.0||3.2||NOT OK||Your MC is Running OLDER IOS (PfR) than your BR - NOT OK|
PfR BR/MC Versions and Releases
You can get the version number within the PfR Command Line:
R3#sh pfr master OER state: ENABLED and ACTIVE Conn Status: SUCCESS, PORT: 3949 Version: 3.3 Number of Border routers: 2 Number of Exits: 2 Number of monitored prefixes: 6 (max 5000) Max prefixes: total 5000 learn 2500 Prefix count: total 6, learn 4, cfg 0 PBR Requirements met Nbar Status: Inactive Auto Tunnel Mode: On Border Status UP/DOWN AuthFail Version DOWN Reason 10.5.5.5 ACTIVE UP 2w5d 0 3.3 10.4.4.4 ACTIVE UP 2w5d 0 3.3 [SNIP]
Cisco ISR Series, ASR 1000 Series, and C7600 Series
|Cisco Platform Series||Cisco IOS Release||Cisco IOS-XE Release||Cisco IOSd Release||Est. Release Date||MC Version||BR Version|
|ASR 1000 Series||n/a||2.6.2||tbd||tbd||BR Only||3.0|
|ASR 1000 Series||n/a||3.1.1||15.0(1)S||July 2010||BR Only||3.0|
|ASR 1000 Series||n/a||3.2.0||15.1(1)S||Nov 2010||BR Only||3.0|
|ASR 1000 Series||n/a||3.3.1||15.1(2)S||March 2011||3.1||3.1|
|ASR 1000 Series||n/a||3.4.0||15.1(3)S||July 2011||3.1||3.1|
|ASR 1000 Series||n/a||3.5.0||15.2(1)S||Nov 2011||3.2||3.2|
|ASR 1000 Series||n/a||3.6.0||15.2(2)S||March 2012||3.3||3.3|
|ASR 1000 Series||n/a||3.7.0||15.2(4)S||July 2012||3.3||3.3|
|ISR G1/G2 Series, 7200 Series||15.0(1)M||n/a||n/a||Oct 2009||3.0||3.0|
|ISR G1/G2 Series, 7200 Series||15.1(1)T||n/a||n/a||March 2010||3.0||3.0|
|ISR G1/G2 Series, 7200 Series||15.1(2)T||n/a||n/a||July 2010||3.0||3.0|
|ISR G1/G2 Series, 7200 Series||15.1(3)T||n/a||n/a||Nov 2010||3.0||3.0|
|ISR G1/G2 Series, 7200 Series||15.1(4)M||n/a||n/a||March 2011||3.0||3.0|
|ISR G2 Series, 7200 Series||15.2(1)T||n/a||n/a||July 2011||3.1||3.1|
|ISR G2 Series, 7200 Series||15.2(2)T||n/a||n/a||Nov 2011||3.1||3.1|
|ISR G2 Series, 7200 Series||15.2(3)T||n/a||n/a||March 2012||3.3||3.3|
|ISR G2 Series, 7200 Series||15.2(4)M||n/a||n/a||July 2012||3.3||3.3|
Forward Looking Disclaimer
Many of the products and features described herein remain in varying stages of development and will be offered on a when-and-if-available basis. This roadmap is subject to change at the sole discretion of Cisco, and Cisco will have no liability for delay in the delivery or failure to deliver any of the products or features set forth in this document. Any forward looking information within this document is subject to change by Cisco.