Hello,I hope I can find some answers here! I am new to Cisco switches, they are pretty cool though... Here is my problem! Currently, in my testing environment, I have a stack of 2x brand new 3750G switches connected to each other via 2 StackWise cabl...
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Forum Posts
Hello, Please help with the scenario, ethernet t1/1/3 is up and line protocol is down. Here is the configuration below SW1#sh int t1/1/3TenGigabitEthernet1/1/3 is up, line protocol is down (notconnect) Hardware is Ten Gigabit Ethernet, address is 9...
Resolved! Compare GRE over IPSEC & IPSEC VPN
Hi all , I'm reseaching about GRE and IPSEC . But i'm wondering that what is the different between GRE over IPSEC & ISEC VPN??? I'm really confused about them. Can someone explain for me??? Thank for help :D
Router : C891F (1 Gigabit L3 port and 8 switch ports) It's probably easy but I don't know what's wrong. To put you in context, I configured a router out of the main LAN and everything worked except that 1 computer was stuck with an APIPA address whi...
After our air-conditioning system fails, our CISCO Catalyst WS-C6500-E makes a restart. Now the firmware image "S72033-ipservicesk9_wan-mz.122-33.SXH.bin" are corrupt. Sorry, but we have no service contract for this Machine. Please let me know, where...
scenario - 5 routers full mesh - all share the same cost "bandwidth" running OSPF. is it normal to see a traceroute from 3 to 7 as per below doing loadbalancing? 3 6 5 4 7 1 172.16.34.4 20 msec 172.16.35.5 12 msec 172.16.36.6 16 msec 2...
Resolved! Cisco VSS
Hi All, I have one query regarding the virtual switching system, I have port channel running between the switches for the VSL, but have not configured Dual active detection. Query :- Is it really recommended to have the Dual active configured when ...
Resolved! 4 way load balancing router
Please suggest me a wired router that has 4 dedicated wan ports can can perform load balancing form 4 ISPs having different bandwidth.
If i upgrade firmware in my Cisco switch then it will effect my current configuration and change my IOS version ?
It is not recommended to span vlans across the core in typical campus setup. How do you guys in practice do this for exceptions? Just create svi on core for for example mgmt vlan? Now have a setup where all svis are defined on core, but there are l2 ...
Hello , I am seeing high cpu process utilization by multicast process. Any one has idea if it is some bug ? #show processes cpu sorted CPU utilization for five seconds: 69%/41%; one minute: 69%; five minutes: 68% PID Runtime(ms) Invoked u...
I am trying to connect to a switch in a network through the console but being prompted with local user authentication, but I would like to configure it to authenticate through aaa radius
What is meant by a ethernet ring topology diameter. If i have 10 switches in a ring what is the diameter? I understand it is 7 for regular stp, but how many switches can be linked with a diameter of 7.
I have three queries: - Why switch does not learn the MAC address of a host connected to it's port, until unless we assign an IP address to the host. - What is the purpose of having a mac address of every switchport in layer2 switch ? Since communica...
Resolved! Bridge Assurance
One of issues of CCIE is Bridge Assurance in legacy STP. After read Cisco blueprint I know that consists in send/receive BPDU in all ports without. However I would like to deep more in this feature in order to understand better. Could you send me so...
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