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Call Handler Not Reachable From Outside Call

Hi Experts,I am sitting with an unique issue where my Auto Attendant works perfectly from inside the office, however it is not reachable from external calls.Connection ISP > SIP > CUBE > SIP > CUCMWhat I am seeing is as soon as I direct the call to C...

CBS350 IGMP and filtering unregistered multicast

Hi.We have issues with CBS350 and SG350 switches when it comes to deal with multicast in the following ranges:Local Network Control Block (224.0.0.0 - 224.0.0.255 (224.0.0/24))Internetwork Control Block (224.0.1.0 - 224.0.1.255 (224.0.1/24)) We use t...

Which IPv6 address range is suitable for anycast addresses. list below

Which IPv6 address range is suitable for anycast addresses for distributed services such as DHCP or DNS?2001:db8:0234:ca3e::1/1282002:db84:3f30:ca84:be76:2/64The first one isn't a range. but people are saying that the second one is invalid. But why?

VPN route-based unable to ping remote IP

Hi, I am currently encountering issue on route-based ipsec vpn. I cannot ping my remote IP also the remote tunnel. I have verified that there is no decap showing on packets. I already configured static route between each site and still unsucessful of...

WLC9800 map two vlans on the same ssid

Hello, I have a WLC9800 with 9115 APs.For clients, I have a Vlan (100) mapped to an ssid. I want to add another vlan (102) mapped to the same ssid.I have added the vlan 102 (configuration, layer2, add vlan), i have created a vlan group and added both...

FMCv 7.2.5.1: High CPU load - how to troubleshoot?

Hello everybody,our customer has a FMCv running sugg. rel. 7.2.5.1 and has a high CPU load of approx. 97%.(see attached screen dump).The VM has 4 CPUs, 32GB RAM and 250GB HDD.The FMC is managing a HA of two Firepower 1120 running rel. 7.2.5.A FMC reb...

DUO offline keeps looping

Hi. Our end-users suddenly has issue with DUO offline, it keeps on looping on the offline page. This only occurs on end-users who are on overseas or outside Singapore. Initially, they can log-in to their DUO, however after few days, they're already p...

client not able to connect to 9800 wlc-wireless

Hello Team,we are using new 9800 wlc in our infraWLC-9800/ios-17.9.4aAP-Mode:Flex-connect AAA server-iseAll of sudden all clients from one particular not able to connect to wireless -corporate ssid.Clients struck in 802.1x state and error is 2024/03/...

Cannot turn on 8841 phone

Hi all. In the screenshot I encountered a problem: immediately after turning it on, this appears. Has anyone else encountered this problem? It asks for a domain, username and password. The phone is completely new. There is a way to access the setting...

Keep Up Interface to a device even when peer-link goes down on Nexus

Hello,i have a pc connected to VPC Peer Switch (vPC2) which has the secondary role. vPC2 builts a vPC with vPC1. How can i configure the port to always keep up the connection for this device, even when peer-link goes down (dragging out the cables).In...

user auth without user cert?

We have a chicken & egg situation where ISE requires a user's login and the presence of a user cert from AD before the user can be permitted to connect to the corporate wifi. But the user needs to connect to wifi to get the cert. One solution i have ...

IP routing using domain

The host for my current server (Windows Hyper-V machine with four or five VMs) that handles my email and web sites is going away. I'm planning on moving that physical server to my house and using DDNS to route that traffic in. Realize this is very lo...

odd loopback errdisable issue

My company has 4 Call Manager subscribers, two at our HQ datacenter and two at our colocation. We powered down everything at our colo this part Saturday because we are moving it out of state. Since then, we have had random locations having switch ...

Service impact on ISE certificate renewal

Hello. I'm trying to renew the ISE's certificate, but I'm using both admin and eap authentication, portal, and radius DTLS. In this case, I would like to know if renewing this certificate will reboot the ISE or if it will cause downtime. The certific...

Iridium Satellite phone integration with Cisco PABX

HI, we have project requirement to integrate the Iridium Satellite phone integration with Cisco PABX to make a calls in case of emergency. Can you please suggest, what can we achieved with this interface.1) can we make calls on any number at cisco PA...

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