Switching

Hi guys, I have a 3560 switch which I need to upgrade to latest firmware.*    1   52     WS-C3560-48PS      12.2(35)SE5             C3560-IPBASE-MSystem image file is "flash:c3560-ipbase-mz.122-35.SE5/c3560-ipbase-mz.122-35.SE5.bin"cisco WS-C3560-48P...

Looking at this spec sheet:http://www.cisco.com/c/dam/en/us/products/collateral/routers/3900-series-integrated-services-routers-isr/Routing_Poster.pdfWhy offer GE WAN ports on a 1921 if the recommended WAN access speed is only 15Mbps?  Can someone pr...

Hi everybody, I’m having problem with Ip NAT outside in my 6509 switch that connected directly to third party network (ARIS Network) not belonging to us. Please refer to network diagram below. Previously server in DC and DR can’t ping to 57.236.202.1...

HiAll 3650 switches shooting  upto 85% and same time 4000 series in the network does not show any cpu hike .(all these switches are in access layer ) Need advise

Dear All,we have two CISCO nexus 7010, we was originally have one link between two nexus for keepalive, we decided to make it two links for redundancy purpose,we made L3 port channel with below configuration,interface Ethernet1/1                     ...

Hi everybody I want to know what are the performance differences of layer 3 switches when they are acting just like a router with lots of route entries in their routing table in compare to when they are acting in layer 2?The layer 3 switch in our cas...

 hello every one i want to know which way is better way to restrict the user access from web sites ? My main question is here that Is cisco router and acl is the most better way of restricting user access from web sites ?If it is not which way is the...

Hi everybodyWe have a WS-X6708-10GE with WS-F6700-DFC3CXL. Following CLI output shows current temperature of module sensors:show environment temperature module 9  module 9 outlet temperature: 62C  module 9 inlet temperature: 48C  module 9 aux-1 tempe...

Dear sirs, yesterday i tried to login via telnet to a router 892 and router rejected connection. A few days ago i could login normally. As i remember i didn't anything in the conf. Please need some help. Also i detected some strange ICMP traffic,logg...

How to configure  mac access-group on Cisco Router 2951?

Hello all, Please pardon the basic question - I have little XP on 4507s. We had a sup7 fail in one of our 4507s. I installed the new one and uploaded the config, but I've discovered I also need to restore licensing (it looks like I need IP services)....

Hi, the environment is the following: |border-switch|--|core-switch|--|server-access-switch|--|linux-server|There is a managmenet vlan. This vlan ip range is: 172.16.1.0/24. The linux-server is in this vlan and the management interface of the border-...

Best practice connecting 2 of the 1GB ports on 3925E to Nexus 3548 pair at the top of the rack.  We currently have vPC's for each VLAN on the 3548 handling VLAN routing.  We only have the one router (3925E) which acts as our MPLS WAN router and are l...

Hello,We have a typical L3/L2 campus network.  We have 2 core L3 switches and 8 L2 switches that trunk to both cores.  Off one core we have a router which is our DHCP server for all our VLANs.  It's IP is 192.168.21.1/24 and it's gateway is 192.168.2...