Activity in Technology and Support
Compatible RJ45 to DB 9 adapter for Rollover cable!
I have a Cisco 1552 E outdoor access point on a roof. It has a rollover RJ45 cable going from the console port on the Cisco AP down into a cabinet. I am looking for a compatible adapter to plug in this RJ45 rollover cable and then into my serial con...
Resolved! 9120AXE Access Points and AIR-ANT2566P4W Antennas
Wondering if I can get some clarification on the compatibility of the 9120AXE Access Points and AIR-ANT2566P4W Antennas.I have seen conflicting information on these antennas being connected. Can you connect these antennas directly to the access point...
Cisco U. subscription
Hello guys! I wannt to subscribe to cisco u buuut I'd like to know how much of inf, labs, manuals ,etc they have. I want to subscribe to cisco u but I'd like to know how much of inf, labs, manuals ,etc they have. i.e. Cisco U. shows a video how to co...
SSH Terrapin Prefix Truncation Weakness (CVE-2023-48795)
SSH Terrapin Prefix Truncation Weakness (CVE-2023-48795) in cisco Catalyst 9300 We have run vulnerability cisco Catalyst 9300 and we find the above vulnerability. All software is up to date.#show ip sshSSH Enabled - version 2.0Authentication method...
Client able to connect due to invalid PMKID
Hello Everyone, I'm facing client disconnection , it tries to connect to the AP and the user is steady and not moving. Captured RA traces and found out the it is happening due to PMKID is sent during authentication.Client sending authentication reque...
ISR 4331-webex calling
Hello, im trying to configure a local GW for webex calling and i have 2 issues 1-i cannot type the command voice class uri 100 sip pattern dtg=dallas1463285401_lgu as it gives me error when i type the _ 2-when i try to type the below command unde...
IKEv2 Remote Access VPN Failure to Connect
Good evening,I previously had an IKEv2 Remote Access VPN tunnel working properly on an ASA 5515-X but apparently made some changes that have broken this functionality, so I appreciate any assistance that can be offered in restoring functionality. I h...
ISR 4321 IOS XE 17.12.04.a Command not support
I'm configuring local gateway for webex calling with ISR4321 using IOS XE 17.12.04.a. But any command not support like : "registrar dns:au10.bcld.webex.com scheme sips expires 240 refresh-ratio 50 tcp tls" Uder sip-ua "timers connection establish tl...
Resolved! cisco Nexus9000 C92160YC-X qos question
HiI have a couple of cisco Nexus9000 C92160YC-X as core switches. I have 6 pairs of catalyst 9300 switches connected via VPC to these cores. I was configuring auto qos voip trust on these access switches but I came across an issue on the core switche...
Devnet Catalyst Center Sandbox - dot1x Testing
It would be ideal to test 802.1X authentication, but it appears that WPA Supplicant is not currently installed. Would it be possible to add this to the current setup?
CBS220 options
Can Cisco 220 Series Smart Switches CBS220-24T-4G support : a) AAA TACACS+ integration? b) Remote access via ssh ( CLI)? c) Can I add other "not-VLAN1" VLANs for management? d) This model is not PoE, but could I add voice vlan ( for phones with powe...
Cisco ISE Upgrade Best Practices
In the following ISE webinar, you will learn how to Validate ISE version complianceExecute efficient upgrade workflowsLeverage telemetry for enhanced visibility, data-driven troubleshooting, and consistent policy control across distributed environmen...
[cisco packet tracer]'s weird ip default-gateway, why?
Configure the management IP for the three-layer switch (ip routing is not enabled), use ip default-gateway to set the default gateway, the result is that the computer ping in the vlan does not communicate with the svi of the network. Set in the swit...
Resolved! Nexus ETHPORT-5-IF_DOWN_LINK_FAILURE: Interface Ethernet is down
Hello,I have a Nexus 9K trunked to a C9200LOn the Nexus 9K the port is:interface Ethernet1/19switchportswitchport mode trunkswitchport trunk native vlan 888switchport trunk allowed vlan 1,254,995no shutdownOn the C9200L the port is:interface TenGigab...
APIC 6.0(x) Initial setup with JSON string, without GUI
Introduction In APIC 6.0 code the initial setup dialog was reworked and GUI wizard introduced for APIC bootstrap and configuration. But, there is a way to configure Initial setup with JSON string. Pre-requisites: ACI Initial Setup Knowledge Requireme...
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