Hi we have a requirement to upgrade a Cisco ASR1001-X router from version IOS15.5(3)S5 IOS XE 03.16.05 to asr1001x-universalk9.17.06.04.SPA.bin Can we upgrade directly to this version or will be have to implement an intermediate version in-between th...

Can anyone assist with a problem I have when using an IPSEC Tunnel over ADSL service?We have several ADSL remote sites connecting to a pair of Head End routers.The connection uses a Cisco 887 router at the remote site and Cisco 1002 pair at the head ...

We have a number of Cisco 3560 switches which have port security set on them as follows:switchport port-security maximum 3switchport port-securityswitchport port-security violation restrictThe ports would have a Cisco IPT phone and PC plugged into th...

Can anyone help with a problem I have encountered when upgrading a Cisco 6509 chassis with a new supervisor card from Sup2 to Sup 720b. The 6509 loads and then crashes completely, and when rebooted reloads into rommon. The same upgrade was performed ...

Could someone clarify the best practice to use when adding VLANS to Etherchannel connections on a pair of Cisco 6500 switch-routers running IOS.Although the configuration shows the existing VLANS on any physical ports bound to the Etherchannel as wel...