Switching

I am attempting to upgrade the IOS on recently purchased 3750 switch and this is my first time attempting such a procedure.  Currently studying for ICND1 exam. I uploaded the new IOS and did not have to delete the previous IOS. I wanted to preserve t...

Hi, i have a cisco SRW2024p and I can not access to the web interface and not responds to a ping. I tried the procedure for resetting via putty console, 1. Connect to the console port using terminal emulation parameters (typically 38400, 8, 0, 1, Non...

Hi, So I'm trying to configure VRRP on two CISCO 3850s (not stacked), so far I have it working with a VLAN interface. But the problem I see is that the VLAN interface only comes online when a host is connected to it. So without a host the VRRP inter...

How can I find a list of all CISCO switches, routers and security devices, for access, distribution and core layer? Any idea please?

Hey guys! I was recently transferred to a new hotel property which has a 3750 core switch for IPTV via multicast and some other services as well. A few days ago our network operator installed another 3750 switch that serves IPTV multicast as well an...

Hello guys, I`m currently installing General Alarm System using current network. I have set VLAN and default gateway inside my core switch. But the problem is my alarm system cant communicate with the software installed in a workstation. I have ping ...

I work for a telco and we have all kinds of Cisco devices. Does anyone know why some models have the interface loopback option for "local" and "remote loops", and some do not?? Scott Example:  Local loop Conf t int gi1/8 loopback local end

Hello, I am applying a service-policy to mark interesting traffic as DSCP EF. I have applied this service-policy to int gi1/0/3 on my WS-C2960X-48FPD-L which has the command 'mls qos' entered. When I run the command 'sh policy-map interface gi1/0/3' ...

We have just received 8 of these switches, with the intent of using them in 4 new vmware 6.5 stacks that we're building. We'll use a pair of 550xg's in each "datacenter". 4x esxi hosts, each with dual 10Gb nics. Nic0 to sw1, Nic1 to sw2. We'll uplink...

Hello, I'm looking to implement EIGRP on a network with 3 routers - R1 to R2 has a direct 1GB point-to-point link on TenGigabit Ethernet 1/0/1, R2 would be directly linked to R3. R1 also has a path to R3 through an MPLS connection which is about 6 ho...

Hello, on my WS-C3850-48P, I have a Port-channel trunk leading to another switch. I have EF marked traffic entering this trunk. On older models of switch I would have entered the command 'priority-queue out' on this trunk interface to activate the pr...

having this error while trying to config dot1x on physical port ASW1(config)#interface fastEthernet 0/3ASW1(config-if)#dot&ASW1(config-if)#dot1ASW1(config-if)#dot1x ?% Unrecognized commandASW1(config-if)#dot1x how to make it works plz, im trying t...