Hi There!I am trying to build a network with a 3-tier firewall. For some reason, i cannot ping the web server outside my firewall from my inside desktop. I have follow all the instructions, i have tried to change the hardware - it does not work. I at...
Forum Posts
Resolved! standby console disable
when i tryed to access core switch console from stand by supervisor get this message : CORE-standby>Standby console disabled.Valid commands are: exit, logout
Resolved! NTP and its access-list
Hi, NTP server 10.1.1.2 / 10.1.2.2 The client switch has the below configuration. But after adding ntp access-group server-only NTP, the switch become unsynch. Any suggestion? Thanks Ntp server 10.1.1.2Ntp server 10.1.2.2 prefntp access-group serve-o...
I configure 802.1x authencation in cisco 3750 switch,and the client authencates successmac address 041d.c71f.1699 is authenticated success,but 041d.c71f.1698 is not authenticated, the packet with destination mac 041d.c71f.1698 flows normally. how to...
Hello Community. Recently I was upgrading Catalyst 6509 and I was able to upgrade firmware of SUP2T-10G, but there are other modules, like:WS-X6816-10T, WS-X6816-10GE & WS-X6148A-GE-TX. I couldn't find new firmware for them. At Cisco software downloa...
Hi All! Did someone meet with such problem? When builtin ports aren't working? Reboot helps for some time, but not for long.
HiI configured the MP-BGP over segment routing but there is a problem. When I launch the traceroute from CE-SR1 to CE-SR2 it is blocked at the PS-SR1 level (backbone SR-mpls) config:P-SR0 (route reflector)router bgp 200bgp cluster-id 1bgp router-id 1...
We use the Cisco C2960X switch.Query 1: What does console, monitor, buffer & exception logging mean?Query 2: Capture logging to 192.168.X.X which means if the switch sends logs to the SYSLOG server?Query 3: What is the command to show all switching l...
We are planning on replacing our Nexus 3ks with 9ks and am curious of any issues we may run into. The 3ks are pure layer 2 connecting our storage and UCS environments with uplinks to the Fabric Interconnect and our 7k core. They are running vPC and...
We have recently run into an issue on our Cisco 9500s due to the limitation of the amount of class-maps allowed per policy-map where we are unable to police all of our ISP customers. We were originally hoping to create a class-map per policed rate th...
Our 3850 (WS-C3850-12S) was rebooted this morning and somehow lost it's config. Could this be a bug in the IOS software? Or is it an incorrect config register? version listed below. Switch Ports Model SW Version SW Image Mode------ ----- ----- ------...
Hello, I have come from a setup where we used Catalyst 4500 switches and Microsoft NLB clusters in Multicast mode. We had no issues with this setup.I am now at a company trying to deploy an MS NLB cluster in conjunction with Cisco 9200 switches, and ...
Resolved! LAN to LAN peering and spanning-tree
Hello,We would like to create a "lan to lan peering" between our infrastrucre (Site A) and our partner's infrastructure (Site B).The link between us will be an optical fiber connection between both switches (SW-A and SW-B) and will carry a vlan ( ID ...
I messed up configuring a switch and put Radius on without setting up a local account. I can't log in since it wants a username and password that doesn't exist. I've tried following the password recovery instructions and can get to ROMMON but after I...
Resolved! VTPv3 domain - Activate Primary Server
Hey guys,we have one customer with an active VTPv3 domain...Two C4500x cores as "primary" and some access switches as "clients".I need to add a new vlan and receive: Root(config)#vlan 21VTP VLAN configuration not allowed when device is not the primar...
