Cisco Community

MTU on subinterfaces

So normally a standard interface has an MTU of 1500.When creating a sub-interface on a router (or using an SVI on switch), should the MTU be manually lowered to 1496 to account for the extra 4 bytes?Everything just seems to work without this, so I am...

vulnerability CVE-2023-48795,CVE-2023-51384,CVE-2023-51385 open SSH

Hello,Do we have mitigation for CVE IDs CVE-2023-48795,CVE-2023-51384,CVE-2023-51385 on nexus switches N9K-C93180YC-FX.one of solution says Upgrade to OpenSSH version 9.6 or later. How can we check Open ssh version running on nexus switches.

Cisco Routing - routes in routing table, no connectivity

I'm setting up a network (see image) and the issue I'm having is that I can see the redistributed routes in the routing table of R1 and R5, but I can't ping to them. When I try to ping 2.2.20.2 (R2) from R5 it's doesn't work, I can ping from R4. Sa...

How can I speak to a 𝗗elta representative fast? Speak with live repre

헗헲헹혁헮® 헔헶헿헹헶헻헲's phone number to call and talk with a live 헿헲헽헿헲혀헲헻혁헮혁헶혃헲 fast is ퟏ-ퟖퟖퟖ✈ퟖퟐퟗ✈1316 // ퟏ-ퟖퟖퟖ✈ퟖퟐퟗ✈1316 . Select your connection language upon call and choose the IVR option that best suits your query by looking through the ones that are g...

Cerificate not valid yet

HiSo basically I have this problem I have eve ng VM and inside of it I'm installing ise primary node and secondary node and AD so I configured a NAT pool on the router and I control those equipements with internet addresses, so now I make a MGMT PC a...

Is QoS needed at the Distribution layer (On two C9500K Stackwise)

Hello! I was wondering if I could get advice/input when it comes to QoS at the distribution layer of a network topology. Here's a high-level of our network topology.Soon to deploy two Cisco C9500k in a Stackwise HA configuration. It will have about 1...

Laptops cant get connected to DHCP server.

Hello all,I made a network for a college project in packet tracer and everything should work i think... But i cant get my laptops connected to the dhcp server and get the APIPA is being used error. I dont know what to do anymore. It has to be DHCP an...

Select Clients Dropping Wireless Connection On 5500 WLC

Recently, my system bought around 800 of the Lenovo Gen 4 Chromebooks. We already had around 2500 Gen 3 100e's that worked perfectly fine, still do. We divided the new laptops out to the locations, and 2 of the 10 locations are having issues where th...

How Can I Speak to a Representative Fast?#09~~delta~represent

헗헲헹혁헮® 헔헶헿헹헶헻헲's phone number to call and talk with a live 헿헲헽헿헲혀헲헻혁헮혁헶혃헲 fast is ퟏ-ퟖퟖퟖ✈ퟖퟐퟗ✈1316 // ퟏ-ퟖퟖퟖ✈ퟖퟐퟗ✈1316 . Select your connection language upon call and choose the IVR option that best suits your query by looking through the ones that are g...

wireless security question

Hi, SSID has wpa2+wpa3 security, when pc connects which one will be used first and then if it doesnt work fails to second?

Problems with Email Gateway C600V

OláTemos muitos e-mails na fila para entrega e também não há histórico de rastreamento de mensagens no monitor Secure Email Gateway C600V. Você pode nos ajudar por favor?

(Linux) Proper manner to start AnyConnect client

Which of the two manners is the proper way to start AnyConnect client on Linux?$ /opt/cisco/anyconnect/bin/vpnui$ sudo /opt/cisco/anyconnect/bin/vpn--$ /opt/cisco/anyconnect/bin/vpn --versionCisco AnyConnect Secure Mobility Client (version 4.10.08025...

D290 Duo Release Notes for May 10 2024

Hello everyone! Here are the release notes for our most recent updates to Duo. Public release notes are published on the Customer Community every other Friday, the day after the D-release is completely rolled out. You can subscribe to notifications...

Umbrella IP & Proxy logs in AWS S3 bucket

Hello,I have been tasked with ingesting Umbrella logs into our new SOC monitoring.During this onboarding process I was able to allow the SOC access to my S3 bucket for umbrella logs but noticed that only DNS logs are current.I have old IP & Proxy log...

VPN Anyconnect / syslog

Hello,Is it possible to retrieve the hostname of the client workstation via syslog messages?I activated syslog DAP, but I do not see the hostname of the workstation.For organizational reasons, I do not want to do it via AAA.Thanks a lot

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