Switching

Has anyone heard of Arista?They make data center switches for the ToR, EoR and core....Their 7500 series seems like a pretty bad boy...they claim it is the fastest and densest data center switch in existence....It has a 10 TERABIT/sec fabric!Anyone e...

Dear freinds, Kindly share about the specific purpose,functions and requirement of below commands.1)switchport port-security maximum 3 2)switchport port-security 3)switchport port-security violation restrict 4) spanning-tree portfast 5) spanning-tr...

Hi all,I was just wondering if there are ways to trunk or "tunnel" vlans through layer 3 interfaces.  This would be useful in extending vlans to remote sites that are 1 or more layer 3 hops away.Thanks,David

In our company we have a typology of network where we have applied policy routing in one of the switches with multitude of pvlans to forward for that transmit traffic across of firewall but it fulfils neither anything nor the log shows nothing, they ...

I recenlty received some 3500XL switches and I am trying to reset their password so I can erase all configs.  I am starting by trying to follow the instructions to boot to the Switch Rom where I can reset the password.  My instructions have me:- Hold...

We are are in the process of building a DR site and I was wondering if the following is possible:We want to have the same vlan defined on two different sites (WAN in between), so if our primary data center is down, services will be virtually moved to...

This happened after upgrading our 6509-E with a new sup 720 10G.  How can I do a " no shut" on the monitor sessions?  Thanks!-----------------------------------------------------------------------------monitor session 1 source vlan 700 - 706 , 888mon...

Hi Guys,I need some serious help again. Im testing a way to route after a client.I could try explain this for 3 pages, but this drawing should make it easier to understand.Ping from 10.5.0.1 to 10.4.0.1 (Green line) Works!Ping from 10.5.0.1 to 172.17...

Hi allwhen I put a site local ipv6 address on a router, will there also be a link local address automatically created prior to this? bascially when I enable th eipv6 unicast routing command?cheersCarl

everyone, I have been reading a little on ipv6, can anyone tell me what you need to an Ipv6 host and a ipv4 host to see each other, as I believe they cannot talk directly, Or is there nothing that would make them communicate ?

Hi,What is the maximum number of interfaces that can be assigned to a port channel?  When I try to add more then 4 on our ASR 1006 router I get the following erroriAccess_rtr01(config)#interface gigabitEthernet 2/0/0iAccess_rtr01(config-if)#channel-g...

We have already got this working, but need to find a way to push the network card settings out to all of the client machines. By network card settings, I mean that we need to tell the network card to use 802.1x authentication and we need to tell it w...

Hi,I am trying to configure new banners for our switches and routers that show up when connecting to the devices using SSH (version 2).It works well except that I am not able to display banner tokens with the "banner login" command.To explain what I ...