Other Network Architecture Subjects

I have 2 ACS 5.5 units (1 primary, 1 secondary) and I am trying to configure the failover capabilities between these devices.  So far, if the primary goes down, the secondary does not pick up the devices and I loose connectivity with those devices.  ...

Hi All, I am planning to create new network. Following are the sites 1) Primary site 2) DR Site 3) Client site A 4) Client site B 5) Client site C. I am planning to configure this network on OSPF and the sites will have area as given below Area 0 For...

hello all. i have a 2921 router directly connected to a 1760 router. i'm unable to ping either one and neither is showing up in the other's CDP table. any assistance would be appreciated. interface configs below. thank you. interface Serial0/0descrip...

HI, I have a cisco ASA5515x firewall and i want to know if i can configure a second outside Interface. I have 2 external IP address blocks from BT our ISP. I want to be able to use both outside interfaces to route to and from the internet and so som...

Hello Everyone, I am studying to become CCNA certified and I'm practicing/learning subnetting.  I have a workbook student and instructor version but I think the instructor workbook answer to the question is wrong based on what I've learned so far.  C...

Dear friends,    I have ISP kind of setup, in which monitoring the customer network infra- Setup is like- 1. Monitoring servers-> Monitoring VRF-> Customer VRF->CPE loopback IP. 2. We monitor unique loopback IPs (assigned by us) of CPEs, because ma...

Hello I am trying to use Juniper Transceiver on ASR9K and I have confirmed that it works fine with it by configuring 'service unsupported-transceiver'. however I need guarantee of the safety. can any one provide me some detailed documents about the c...

"Hi there, need urgent help".I just install serial card on my cisco 1841 router after that my router went to rommon mode than i type reset command  just to check if its a valid command and after that i cant do anything.i have attached my screentshot ...

Hi, (sorry if i have  put on wrong community part) We have asa 5525 with premium license max. 750 concurrent session ,and I like to purchase ISE 2.0 for   Access control, use as radius for all VPN clients using IPSec.  Current situation: 1. we have ...

I need to upgrade the Catalyst 4948 Switch with Chassis Type : WS-C4948 The Cisco IOS Software installed is : Catalyst 4500 L3 Switch Software (cat4500-ENTSERVICES-M), Version 12.2(53)SG5 What software version can I load in this chassis ? Is it possi...

My customer is inquiring to see if we have any updated Visio Stencils  for the UBR10012 template is from 2008 and the RFGW10 is from 2009.  Having updated stencils with PRE5s, 3GX60 Cards, HD-SPAs, and DS384 cards would really help their documentatio...

Why can't I add this address to int vlan 10?int vlan 10 ip address 10.1.10.0 255.255.255.0result is "Bad mask /24 for address 10.1.10.0"I added "ip subnet-zero" and it still won't work. Any ideas? This is a 4506 with a Sup4.Thanks,Patrick

We have better protocols  in IOT for application layer like CoAP, MQTT. But there are some limitations of these protocols like CoAP is having an issue with multicasting and broadcasting where's MQTT has an issue with the unlimited number of node hand...