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Forum Posts
Using Linux server as SSH gateway to access 3750/3850 switches, when FIPS mode is enabled (which security guidelines stipulate) from the Linux CLI, the SSH session fails with the message "no matching key method found" Switch IOS is 15.2(4)SE...
Hello, I need to add a new switch to an existing switch, and allow all the same vlans configured on it. I have a cable connected from gig1/0/4 on one switch going to gig2/0/1 on the new switch. I've completed the basic configuration from scratch ...
Resolved! OSPF configuration
i need to configure ospf in interface mode. may i know the command for each router ( R1, R2 and R3 )
Resolved! unequal cost loadbalancing
which routing protocol supports unequal cost loadbalancing ? eigrp or ospf ?
does anyone know what sfp module to use with the ie 2000 switch? i have tried Proline GLC-SX-MMD-CDW and Cisco GLC-SX-MMD= and they both dont seem to get me any connectivity. gbic-invalid is enabled as well.
I have a Cisco 2901 router with a EHWIC card installed within the device. I created the following interfaces and a physical wire is connected to each router EHWIC port and to a LAN switch that is configure for the VLAN associated with that port. What...
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...
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...
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