Switching

Hello,I'm trying to delete old vlans and have the database back to default on a stack of 3850s.I've removed the VLAN.DAT from each flash directory so it has completely gone. Rebooted but all old vlans still are there.I tried changing the switch to di...

Hi everybody, I've  the following configuration: CISCO 881, IOS 15.2(4)M6. On WAN interface is configured the 86.34.156.48/29 subnet from our ISP. Behind the router is staying 2 webserver. NAT: 86.34.156.51 <> 10.10.10.100 (private IP, server1). If I...

Is there a maximum number of ARP entries per physical interface?  I don't want to set a maximum number, I'm wondering what the maximum number supported is....specifically on a Cisco 2921.The reason...we have a competitor router installed now, which h...

On C4900 i am not able to change the config-register value to 0x2102. In the config mode i gave the command "config-register to 0x2102" and did a write memory. After which when i do a "show ver", it does not reflect that the config-register value wil...

Hope some one can assist with the following questions I have been scratching my head for a while 1> I can access the gui using the super admin account using the same account I can not access the CLI are they any additional changes we need to make for...

I'm new to cisco ASA's and I'm trying to create a Site-to-Site VPN tunnel to anothe asa but I'm unable to create an ikev1 policy, it doesn't even give me the option to in the asa running version 8.2(5)46, I have newer firewalls that are using this po...

Dear Cisco Friends I'm currently configuring 2 Switches to an additional Switch ( all 48 Ports, Catalyst 3560G) and i want to configure them as following (red = new):  PC = PortchannelAs you see, i already configured the ports on every switch and the...

 Hi Folks, I have been thinking and research about for that a while now, and yet i have not gotten a formal answer... Please read carefully... We are a medium size company.... In both our our remotes, we have four 3750G(two of them are 3750X) in a st...

Hi All, we've two 4507-E switches each with two redundant sup engines (7-E) installed and we need to configure VSS between these two 4507-E switches. please kindly advise on it. BR

I Have a 3560 series switch 24 ports. I never updated the ios before.. if upgrading to the new version of the ios, will that affect anything... Should I upgrade it? what will be the benefits... thanks for the reply......

A colleague of mine has installed a set of 3 Cisco IE-3000-8TC switches which look like they have had a minimal amount of configuration applied to them, and I have now been asked to integrate them into a CNA community. I can;ping them and get replies...

Hi All, Recently there was change done on Wan link where the MTU was set to 9000. The same value has been set on the ISP end too. The Network connectivity is as given: CE1 ---- PE1 ---- PE2 ---- CE2On the CE Interfaces connecting to PE's, the MTU has...

Hi, Pls see attached diagram. This is the setup. From the PC Vlan (vlan 200) able to ping other server on Vlan 300 except this server 172.19.100.101 & 172.19.100.102.I don't know why can't ping this 2 server. I suspect because of this firewall but i ...