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JTAC-Mid-Career-Recruitment-2021.8

 

ISR: IOS のバージョンアップ後に snmp-server enable traps ethernet cfm が設定不可

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問題
15.4(1)T または 15.4(3)M 以降の IOS へバージョンアップを行った際に、以下の設定が running-config から弾かれ、設定不可となります。

snmp-server enable traps ethernet cfm cc mep-up mep-down cross-connect loop config
snmp-server enable traps ethernet cfm crosscheck mep-missing mep-unknown service-up
snmp-server enable traps ethernet cfm alarm


症状
装置起動中または当該設定を投入時に Invalid input detected at '^' marker のメッセージが表示されます。

snmp-server enable traps ethernet cfm cc mep-up mep-down cross-connect loop config
                          ^
% Invalid input detected at '^' marker.

snmp-server enable traps ethernet cfm crosscheck mep-missing mep-unknown service-up
                          ^
% Invalid input detected at '^' marker.

snmp-server enable traps ethernet cfm alarm
                          ^
% Invalid input detected at '^' marker.

 

原因
15.4(1)T および 15.4(3)M 以降の IOS バージョンでは、Ethernet CFM の機能を使用するために datak9 ライセンスが必要となっています。

 

解決策
datak9 ライセンスを有効にするためにコンフィグモードで license boot module を設定し、ライセンス使用許諾のプロンプト ACCEPT? [yes/no]: が表示されたら yes を入力し、設定保存後に装置を再起動します。装置起動後に snmp-server enable traps ethernet cfm の設定を再投入します。

(config)#license boot module <module> technology-package datak9

機器が CISCO1921 の場合の設定例

(config)#license boot module c1900 technology-package datak9
PLEASE  READ THE  FOLLOWING TERMS  CAREFULLY. INSTALLING THE LICENSE OR
LICENSE  KEY  PROVIDED FOR  ANY CISCO  PRODUCT  FEATURE  OR  USING SUCH
PRODUCT  FEATURE  CONSTITUTES  YOUR  FULL ACCEPTANCE  OF  THE FOLLOWING
TERMS. YOU MUST NOT PROCEED FURTHER IF YOU ARE NOT WILLING TO  BE BOUND
BY ALL THE TERMS SET FORTH HEREIN.

Use of this product feature requires  an additional license from Cisco,
together with an additional  payment.  You may use this product feature
on an evaluation basis, without payment to Cisco, for 60 days. Your use
of the  product,  including  during the 60 day  evaluation  period,  is
subject to the Cisco end user license agreement
 http://www.cisco.com/en/US/docs/general/warranty/English/EU1KEN_.html
If you use the product feature beyond the 60 day evaluation period, you
must submit the appropriate payment to Cisco for the license. After the
60 day  evaluation  period,  your  use of the  product  feature will be
governed  solely by the Cisco  end user license agreement (link above),
together  with any supplements  relating to such product  feature.  The
above  applies  even if the evaluation  license  is  not  automatically
terminated  and you do  not receive any notice of the expiration of the
evaluation  period.  It is your  responsibility  to  determine when the
evaluation  period is complete and you are required to make  payment to
Cisco for your use of the product feature beyond the evaluation period.

Your  acceptance  of  this agreement  for the software  features on one
product  shall be deemed  your  acceptance  with  respect  to all  such
software  on all Cisco  products  you purchase  which includes the same
software.  (The foregoing  notwithstanding, you must purchase a license
for each software  feature you use past the 60 days evaluation  period,
so  that  if you enable a software  feature on  1000  devices, you must
purchase 1000 licenses for use past  the 60 day evaluation period.)

Activation  of the  software command line interface will be evidence of
your acceptance of this agreement.


ACCEPT? [yes/no]:
% Please answer 'yes' or 'no'.
ACCEPT? [yes/no]: yes
% use 'write' command to make license boot config take effect on next boot

装置起動後の設定投入

(config)#snmp-server enable traps ethernet cfm cc mep-up mep-down cross-connect loop config
(config)#snmp-server enable traps ethernet cfm crosscheck mep-missing mep-unknown service-up
(config)#snmp-server enable traps ethernet cfm alarm


注意
解決策を実行することにより、60日の評価ランセンスが有効化されます。60日以降も機能を使用する場合はライセンスの購入が必要となります。

参考情報
Software Activation on Cisco Integrated Services Routers