Hi All I am currently in process of deploying APIC-EM using the IWAN app to setup my routers. I have a question around the address pools, Am I right in saying for the dmvpn tunnels you must manually configure the loopback on the device first should y...
Forum Posts
what is the diffrence between console and auxiliary port ?
Resolved! Pretty simple noob IP question
Hello! I have a quick question I'm struggling with because I don't have a subnet mask. The answer is "b" here. I think I'm overthinking this. Can someone tell me a quick way to approach these kinds of questions? I've been confusing myself. THAN...
Resolved! seperate Multicast RP for each subnet
Hi - Need help with our multicast design. our company has two offices / regions. Office 1: 10.150.x.x - 2 Nexus Switches N7K1 and N7K2 used as RPs Office 2: 10.250.x.x. - 2 Nexus Switches N7K1 and N7K2 used as RPs Both offices are connected over laye...
Hi, We were testing multicast routing in the network and we observed odd results. Apparently, the network core is a Meraki that supports multicast. It's a very small network but the results are different from a lab environment that is using pure Ci...
Resolved! ACL not blocking ICMP
Hi all, I thought this would be a simple question to answer but i can't seem to find the cause but i've got a standard ACL on an interface on a router to block a network of 10.10.10.0 from accessing a server on a different subnet of 172.16.0.0 so i...
Hi all. We recently implemented port security on almost all of our access catalyst 2960-x switches, but are encountering some issues whereby if USER1 uses his laptop on a configured port-security port, he will be able to access internet (or any net...
With my job I am studying for the CCNA and have got onto all routing protocols. I have made several collapsed core networks with the core and distribution on one tier with vlan ip's and stp root bridges set. This was with 4 vlans. The network also us...
Dear all, Do you know which module that can use only 1 core for transfer and receive ? Does cisco switch 2960 support module 1 core ? i know that SFP has 2 Core but i want to reduce and save fiber cable for use 1 core for transfer and receive. P...
@Reza Sharifi Hi, I've a pair of 4500X which had to be converted into VSS, now before converting the switch mode to virtual the VSL should be up But mine is not. Below is my VSL configuration and the Warning that I get when applying Port-channel ...
Hello ... i have 1 web server and the url that we accessing is much slow, i diganose the server itself ; but its till same, i found that the interface that is connecting to our cisco switch shows : 85 unknown protocol drops .. what may cause the iss...
Dear All, Can anyone tell me Catalyst 2960L series support ip source guard feature ? Under interface configuration mode , i can not find "ip verify source" command?? Edge01#show inventory NAME: "1", DESCR: "WS-C2960L-24TS-LL"PID: WS-C2960L-24TS-LL ...
i find that loop guard is per port basis and should not apply on etherchannel on shared link. in another words, it can not apply on etherchannel if two or more ports configured as etherchannel Should loop guard apply on etherchannel which is port ...
I need to use NAT on R1 to allow users from 192.168.26.0/24 access to 172.16.26.0/24. Can NAT be done to translate users from 192.168.26.0/24 to 172.16.26.0/24 via R1 loopback interface ip 3.3.3.3 or any other alternative? Thanks in advance.
DOT1X-5-FAIL: Authentication failed for client %MAB-5-FAIL: Authentication failed for client I am getting this over and over for some of our ILO ports on a couple servers. Does anyone know how I can fix this issue?
