Switching

I have seen many examples of Nating and it seem route maps are needed for this.  Oh, the router is a 1921 with Version 15.2(4)M6a software.  So the scenario is:  Outside addresses 5.5.5.0/24  need to use ports 6000-6999 to access the same port on a ...

Hi masters, Need your expertise regarding the issue that we've encountered recently with our Cisco (WS-C3650-24TS > SW: 03.06.00E  Image:cat3k_caa-universalk9 ) . One of our VLAN suddenly goes down with status: UP, protocol: DOWN, without any changes...

Hi! I have a 3750E which during boot gets stuck indefinitely like that: Using driver version 1 for media type 2 Base ethernet MAC Address: 00:1e:f7:e8:d3:00 Xmodem file system is available. The password-recovery mechanism is enabled. Using the recov...

Hi friends,I have a client for whom i set up a new network infrastructure. Everything is working but i have realised that when remote login to devices, I see slow response on the cli when i am typing.it doesnt matter if i am remote logging in from ou...

I have a 6509 - checkpoint FW - 7609.  Currently we are using static routing to get out however we would like to open the FW to allow OSPF through,  OSPF will not be running on the FW itself.  How do I than configure the switches on either end to for...

Hi I have a Topologymachine-- mpls--router-4500X-3850Xwhen i am trying to ping the 3850 switch from remote machine sometime its pingable sometimes not.i observed when i ping 3850 switch from 4500 number its pingable , after that its also pingable fr...

All, Please post your queries for Cisco Catalyst Digital Building iPhone Mobile App on this forum. For App's troubleshooting guide, you can use the link below: https://supportforums.cisco.com/document/13320241/cdb-app-ios-guide Thanks, Harsh

All, Please post your queries for CDB Android Mobile App on this forum. For App's troubleshooting guide, you can use the link below: https://supportforums.cisco.com/document/13320246/cdb-app-android-guide Thanks, Harsh

hi all currently dhcp is configured so that it has 30 IPs in the pool to be assigned to devices. but during 3 months time, the IPs are being added in conflict database (sh ip dhcp conflict) and a time comes that there are no IPs left to be assigned...

I am trying to upgrade the firmware on a switch stack.  I have used network assistant to do it.  The upgrade failed and now the stack is running two different versions of firmware: Switch Ports Model SW Version SW Image Mode------ ----- ----- ------...

I have a Cisco 1841 integrated router I am working with. I created a VLAN on the switch and a DHCP scope attached to that VLAN. Computers connected to the VLAN: get IP addresses, DNS, and DHCP can access all of my internal network; However, they cann...

I have two Cisco 6500 switches connected via fiber, this is my small network.  One end goes to a provider, and the other end goes to a server.  My IT department wants some sort of link state propagation since the provider keeps going down, but the IT...

Hi Everyone, Just like on firewall we can see that connection is established between source and destination is there any command we can use to see the tcp  traffic going via Cisco ASR router running BGP? Regards MAhesh

I have two Cisco 2960X layer 3 switch and a 3850 switch and a Cisco ASA 5506 in each one of my cabinets, I have two cabinets Cabinet 1 Cisco 2960X IP address 192.168.5.1 255.255.255.128 DG: 192.168.5.126 Cisco 3850 IP address 10.0.0.1 255.255.255.0 ...

What is Native Vlans and what is the requirement of Native Vlans?  please explain with example