Switching

Hi, i want to know if its possible have to lan on this switch... (3com 4210).... i tried have to vlan, and put them different ip... but when i try, i get... interface vlan 2 Vlan-interface must be the same as Management-vlan. So.... There is any c...

Hey guys I have an issiue. Goal here is for PC VM to be able to talk to both pc in industry and pc in datacenter. I know this is solvable by twice-nat between ASA's (in this case its not allowed). However, is this solvable by twiceNAT towards in...

Hi all, I would like to seek advise on the configuration to set up 1 X Nexus 5548UP to 1X FEX2248. I appreciate if you can advise me the steps and configurations for this set up. With Thanks and Regards, Ricky

Hi, If someone connecting into the switch and spoofing as a DHCP server.  Is it I just using DHCP Snooping to block those traffic like following? ------- Switch(config)#interface fastEthernet 0/4 Switch(config-if)#no ip dhcp snooping trust ------- ...

Hi Guys,  I was upgrading a N3K-C3048TP-1GE from version 5 to 6, when doing so it asked me to do a power cycle for bios/power sequence upgrade. So I did, after this the box is completely dead for all intents and purposes. I do not get a loader promp...

Hi All, We have a cisco router which is running with version 15-5-1-T2.binThe problem is that My router is not syncing with NTP server Config :-ntp loggingntp source GigabitEthernet0/1ntp server 172.16.9.13 interface GigabitEthernet0/1 ip address 172...

For the 10G base-T ports in the switches like WS-C3850-12X48U-S can this ports work as 1G 10/100/1000 and it will need specific cable or not ?

Hi , Is it the key is required for enabling SSH on Cisco switches? Domain name crypto key generate rsa bits<512 or 1024 or 2048> I think these 3 is enough to enable SSH login on Cisco switches? then what is the purpose of crypto keys and I've foun...

I received this error after router boot up, is there any way to fix the problem? Failed to generate persistent self-signed certificate. Secure server will use temporary self-signed cerificate

i have problems with the cisco switch , in the UPS maintenance the cisco switch was tun off and when go back turn on the switch was blocked . all leds are on : Syst       on         ambar  Rps        on          green Stat        on          green ...

Hi, I just finished setting up this network which took hours of my time on Cisco packet tracer. But now out of nowhere nodes cannot connect/ping to other nodes on other networks. I cannot find a solution. Please help. 

I have multiple PCs connected to a router with static IP. The Ipv4 & default gateway set up is 192.168.10 but some PCs that were on 192.168.10  have changed to 192.168.1. Not all but some. On the PCs that changed, I removed the ethernet cable and plu...

Hi! I would like to use a Nat Hairpin at a Cisco 3825 (Version 15.1(4)M10), so that I can reach my mail services from inside and outside (smartphone with wlan). Here is my relevant config: interface GigabitEthernet0/0 ip address IP 255.255.255.0 i...