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Resolved! Toggle Emoji Auto Replacement >:(

I use the following often: :3, :), :(, :D, :O, :|, I don't want them turned into ugly little yellow heads like: They're ugly and adorable enough without the color and updated images.Now Webex is the only application i've come across that does not let...

n-jagnarain by • Community Member
  • 455 Views
  • 3 replies
  • 2 Helpful votes

BGP IPv4 with IPv6 next hop

according to RFC 5549 and 8950, BGP can use IPv6 neighborship to transport IPv4 address family and vice versa. if i understand correctly, this feature does not work if the core is IPv4 or IPv6 only. so what is the point in using it since you need bot...

daniel ng by • Level 1
  • 76 Views
  • 2 replies
  • 0 Helpful votes

USB Not found in For IOS Update

Hello Community I am facing some issue in my Cisco Catalyst c9200L-48P-4X    some time the Switch is booting is normal way and turning to again reload   switch: Mode I would like to rest the IOS and upload new one but USB is not finding in OS   even ...

C887VA-M-K9 V02 has a fan inside?

Hello, my iOS on C887VA-M-K9 is complaining about heat issues on boot up with VDSL 2 board. I'm wondering if I have an issue of thermal paste, since internally there is none visible clues fan ever existed. I bought this unit used to replace my C887M-...

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
  • 286 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...

Is ISE 3.4 stable for production?

Hi,We're currently at ISE 3.1 patch 10. We intend to upgrade to ISE 3.4 patch 3 which is marked as suggested version now in Cisco's download portal. Since we've had many problems even with suggested software versions, I don't value a star in a Cisco ...

Nexus 9000 시리즈: reload 후 mgmt0의 IPv6 link-local이 반영되지 않음

2025년 10월 24일 (초판) TAC SR Collection 주요 문제 Nexus 9000 시리즈에서, 인터페이스 mgmt0에 설정한 IPv6 link-local 주소가, 장비의 재부팅(reload) 후에 startup-config에는 남아있지만, running-config에서 사라지는 현상이 보고되고 있습니다. 사례: switch(config-if)# show run | sec t0 interface mgmt0 ipv6...

Annyconnect ISSUES ON Cisco 2901 router

  Dear Community Members.,I am having issues with my  Cisco anyconnect  VPN :The VPN suddenly stopped working with an error message of  Expired License:Below is the Content of the Directory: ANYCONNECT_CYB#dirDirectory of flash0:/1 -rw- 104193476 Mar...

ACI: CIMC 가 BMC Reset 으로 인해 재부팅할 수 있음

2025년10월24일 (초판) TAC SR Collection 주요 문제 APIC Server CIMC 가 BMC Reset 으로 인해 재부팅할 경우가 있습니다. CIMC 의 재부팅은 발생하고 있지만, APIC 자체는 가동을 계속하고 있으며, APIC 의 동작에는 영향이 없습니다. 이 문제가 발생했을 경우, CIMC 의 messages log 에 다음과 같은 메시지가 기록됩니다. 확인 명령어 cat /mnt/jffs2...

ACI: APIC 의 CIMC 가 BMC Watchdog resetted 로 재부팅하는 경우가 있음

2024년1월26일 (초판) TAC SR Collection 주요 문제 APIC Server 의 CIMC 가 BMC Watchdog resetted 로 재부팅하는 경우가 있습니다. CIMC 는 재부팅하고 있지만, APIC OS 는 계속 가동 중이며, APIC 의 동작에는 영향이 없습니다. 이 문제가 발생한 경우, CIMC 의 obfl log 에 다음과 같은 메시지가 기록됩니다. ... 3:1970 Jan 1 09:00:40 ...

Nexus 9000 시리즈 : 일부 패킷이 SPAN・ERSPAN 되지 않음

2025년 12월 23일 (초판) TAC SR Collection 주요 문제 Nexus 9000 시리즈 스위치에서 CDP・LLDP・BPDU 등 일부 패킷이 SPAN・ERSPAN 되지 않을 수 있습니다. 원인 N9K의 구현 상, CDP・LLDP・BPDU 등의 자신 CPU가 생성한 패킷은 SOBMH (Stream Of Bytes Module Header)로 전송됩니다. SOBMH는 SPAN이나 ERSPAN 등의 하드웨어 룩...

How to lock a CDB subtree

I need to lock a sub-tree of the CDB.I developed an Action that reads and modifies data shared across all calls. Unfortunately, this action is usually invoked in bursts (around 10 calls within a fraction of a second), so multiple executions end up mo...

Fantolino by • Level 1
  • 106 Views
  • 1 replies
  • 0 Helpful votes
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