Switching

All,I am using Cisco's HA network design. My one question in the design is; in the distribution why have they configured a loopback and lableled it "Garbage-CAN RP" and then labeled another RP as Good-IPMC? I have never used a loopback in my multicas...

Can anybody shed any light on this issue.The switch just seems to reload for no reason what so ever at random intervals.Other 4948 running 12.2(25)and (40) seem stable.Any help you can offer would be appreciated.

This morning, we lost the ability to access our 3750 stack via *any* means - telnet, ssh, console access are all dead. The master of the stack has also moved from #1 to #4(the bottom)However, the stack continues to operate normally and we're going to...

DearI want to know how can i create new vpn in new switch and also what is the difference between vlan and vpn.Can i create vpn in only L3 or L2.There is possibility to create vpn in L2 swithces.

Hi,When i enable ip routing on my cisco 3750. it becomes unreachable. I created l2 and l3 vlans with ip addressesany idea?J

how do I Place all unused ports in a parking vlan,wich is dedicated to grouping unused ports until they are proactively placed into service . This is part of Switch security .. I know I can execute the shut command and that should do it , but I neede...

Hi to all.Maybe someone can suggest me the tunning to do for my problem.I have 2 cisco routers with a 10Mb/s-full duplex WAN connection each.If I do an FTP between from a PC on site 1 to a pc on site 2 I reach 9.8Mb/s.Great!!!!If I transfer the same ...

This info is from a Catalyst 6000 supervisor 2 WITH Cat6k MSFC2 daughterboard. I have 2 questions.1. The config-register is 0x2102 on MSFC2 and 0x2021 on the supervisor.Q: How do I change 0x2021 to 0x2102 ?2. When I reload the sysstem it starts up fr...

I have 2970 switch configured named ACL in line vty 0 4. ACL named getting changed within a minute automatically. Everytime it is giving different name in line vty 0 4 acces-class.

We have just received a 3560G 24 port POE switch back from a rental return with a customer. Upon powering up the switch everything is fine until the following error message!!! WARNING: The switch is not usable !!!Unable to create l2trace server proce...

Hi,6500 has several options for etherchannelload balancing - MAC, IP adddress, port number and MPLS.If an ethernet frame is received with type equal to MPLS and is to be switched over an etherchannel with load balancing set for IP address will ita) l...

Hi everyone,I have a server computer in my office with two different network cards in it, each card is 1 gigbit and connect to two different ports on cisco catalyst 4006 switch.How can I merge or channel these two different ports as single port to bo...

Can anyone register at Cisco.com and be able to download the SDM or SDM Demo? Or do you have to own a router and/or service contract? Regards, Bob