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VRF and IPSec over GRE

Hello,I have cisco 4400 in my HQ which has 2 ISP connection, I need to configure Site-2-Site VPN on this router via both ISP, and for WAN Routing I choose VRF, but not works, sometime IKE is successful but then still fail, there is my config: vrf def...

Imm by • Level 1
  • 211 Views
  • 8 replies
  • 0 Helpful votes

{"text" : "nil response from WSMA"} or VTY Allocation Failed.

I am using C9800-CL in redundancy.with xxx.xxx.xxx.1 - Core-WLC.com xxx.xxx.xxx.2 - Primary xxx.xxx.xxx.3 - SecondaryWhen I try to use " Core-WLC.com " after entering username and password it gives me error as {"text" : "nil response from WSMA"} or V...

Dines by • Level 1
  • 175 Views
  • 9 replies
  • 0 Helpful votes

BPDU Guard

Just a simple question why it's recommended to use both Portfast and BPDU Guard together apart from the very fact that both should be used in access switches ports connecting to end users?? Like BPDU Guard will still work if I don't have portfast con...

admin distance in BGP

in ios xe and xr, the 'distance bgp <external> <internal> <local>' command requires three numbers. what is the purpose of <local>?Routing, Routing Protocols

daniel ng by • Level 1
  • 58 Views
  • 0 replies
  • 0 Helpful votes

IE-9320-24T4X-E Port Configuration change

I have multiple setups with these network switches. At least on two different setups, we have connection issues with one of the ports (port #24). We verified that the port configuration has changed and the reminder of the ports configurations remain ...

eddie8 by • Community Member
  • 320 Views
  • 10 replies
  • 0 Helpful votes

CatC: スイッチの CPU / Memory 使用率表示について

はじめにスイッチの CPU / Memory 使用率表示について備考     はじめに 本ドキュメントでは、Catalyst Center GUI 画面上で表示されるスイッチの CPU / Memory 使用率の表示について記載します。Catalyst Center およびスイッチ (C9300-24P) の IOS-XE バージョンは、以下のものを使用して確認した内容をもとに本ドキュメントを作成しています。Catalyst Center: 2.3.7.10.70209.10IOS-XE...

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Nexus 9000 シリーズ：Software Bug Trend 2025年10-12月

Nexus 9000 シリーズスイッチにおいて、ソフトウェア関する不具合で、1ヶ月間ごとに関連 SR の報告が多かったもの Best 5 です。 あくまで、TAC Service Request (SR) として問い合わせのあったもので、Partner や User 自身で解決したものは含まれていないため、実際に発生した件数の Ranking ではないのでご注意ください。   2025年10月 BugIDTitleCSCvq48447N9K snmpd signal 8 cras...

AURA: Syslog for PLEG Errors が出力される

2026年1月8日 (初版) TAC SR Collection主な問題 AURA もしくは Validation Tool を実行すると、 下記のようなメッセージが出力される場合があります。 Check: #23: Checking: Syslog for PLEG Errors Error: #IN05: PLEG Errors found in Syslog 原因 これは Kubelet が定期的に実行している PLEG ( Pod Lifecycle Event Generato...

9410r UPGRADE using ISSU

Hello, I have 2 chassis 9410R with dual supervisor in VSS set up. Current version is 17.6.4. Can I upgrade the firmware using ISSU? Thank you, Ronald

AURA: Disk I/O throughput が出力される

2026年1月8日 (初版) TAC SR Collection主な問題 AURA もしくは Validation Tool を実行すると、 下記のようなメッセージが出力される場合があります。 Check: #12: Disk I/O throughput Error:#IN01:Partition:/data/maglev/srv/maglev-system I/O of 176 MB/s (<200MB)failed INFO:disk I/O checks can be rerun ...

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