Switching

I have plan to C6509 SUP720 migation from SUP2.What do i consider and prepare to it?The C6509(IOS) has 1 SUP2 module and 2 regacy ethrenet module.and do i need a DFC3B card to get full performance of X6724SFP module?

Hi All, Can anyone please educate me on these two router mentioned?. I mean for someone plaining to go all the to CCNP and IE thereafter. Which is the most valueable considering all the protocols that might be needed to run on them in the near ...

All, I recently installed a load balancing device for two internet T1's. Along with this I purchased the a failover for the device. In order for the primary and backup to talk to one another on a LAN switch (2950) it required broadcasting. Meaning th...

Does anyone know of any oid or mib that maps a mac address of ip address that a switch knows about, to a port? I am having some problems with some nasty hosts but I can not find them.

Hi All, Here i have configured VLANs between two Cisco 4507R switches...My team lead is asking me to configure HSRP between the VLANs....Cany anybody suggest me,,why do we need HSRP here and Let me know how to Configure HSRP.ThanxAmar.

Hi NetPro,i got this syslog msg, Oct 10 17:52:24.484: %C4K_EBM-4-HOSTFLAPPING: Host 00:02:8A:AA:45:1A in vlan 296 is flapping between port Fa2/3 and port Gi1/2and this is my switch port configuration. is this correct config ? switchport trunk encapsu...

I am having problems establishing an ether channel between a 6504 dist-sw and a 6509 acc-sw. The etherchannel at each end was configured as desirable silent, all other required settings match. I already have a number of etherchannels formed between t...

Hi all,I have 2 x 3750 stack together and the ios version of them is 12.2(25)SE. I am going to upgrade the IOS. I have upload the IOS to the switch's flash, but I don't know how to make the 3750 load the new IOS after reload. I have checked the link ...

It is late and I am replacing a mini switch with a CE500. I configured the device through the web front end, but it won't show up even when I try a show cdp nei from the upstream 6513. The 6513 shows it is connected and so does the CE500 - green in...

I have three routers (RouterA, RouterB and RouterC) connected to the same LAN.RouterA : 10.1.1.1/24RouterB : 10.1.1.2/24RouterC : 10.1.1.3/24Router A is not running OSPF, but RouterB and RouterC are in the same ospf area 0. A static route is inserted...

Hi All, Can anyone please educate me on these two router mentioned?. I mean for someone plaining to go all the to CCNP and IE thereafter. Which is the most valueable considering all the protocols that might be needed to run on them in the near ...

Hi,Our switch crashed with followin in the crash file:********************************************************** Information of Last System Crash *************************************************************Using flash:/crashinfo/crashinfo_2.Cisco IO...

I have 2 3-switch 3750-E stacks and 2 RPS 2300s. I had been using CNA 5.1 and the switches had IOS version 12.2(35)SE2 loaded. With this combination, I saw the RPS 2300 devices connected to the switch stacks in CNA.I upgraded the switches first to ...