Switching

I've got a Catalyst 3020 bladeswitch inside an HP c7000 blade enclosure and I'm having problems with the fiber uplink ports. No matter what I do, the fiber ports won't connect to another switch. When I plug in the fiber on the bladeswitch side, the ...

Hi,My curent requirement:-Single Router at our premises - connected to Two ISP with two serial ports.Looking for auto failure with BGP Multi homing in this scenario.Do we need Public/Private AS in this requirement at our own permises.Warm Regards!

Hi all,I would like to test Q-in-Q and configure it to transport the vtp and stp for the C-Vlan's across the P-Vlan so that both spanning tree and VTP update to get across the Q-in-Q tunnel.Here is the config I have on the q-in-q switches :System MTU...

guys can someone p[lease explain basic switching to me plz.....just have few questions.....first of all suppose if i have a new cisco switch like 3560 or 70.....and i take it out from the box.....if i connect three pc's (same subnet) will they commun...

If my ISP has assigned the following range: 12.12.12.128/192 (26 bit mask), and their handoff is a serial T1 interface, can I:1. assign 12.12.12.129/224 (27 bit mask) to S0/0 (for uplink to internet) 2. NAT the 12.12.12.129/224 (27 bit mask) network ...

Hello,for security I did some configuration steps. The supervisories lost communication and now is one module disabled.Which protocol they use to communicate with each other? VTP? BOOTP?LOG:000160: Sep 15 12:01:32.823 MEST: %SYS-CLUSTER_MEMBER_14-6-C...

Will a 2811 running 12.4(11)X/Advanced-Enterprise-Services route between sub interfaces? I can't get traffic from f0/0.50 to route to f0/0.100. Both interfaces have IPs and are doing dot1q trunking.Traffic from both these interface can route to f0/1.

Hi all, Can someone kindly explain me the main difference between tunnel mode gre and ipnip. in our environmnet, when we try to form tunnel interfaces, usually they work fine with gre but sometimes we need to use ipnip without any obvious reason, so ...

When advertising/distributing/redistributing routes, is there a general rule of thumb as to when to use an access-list and when to use a prefix-list?

is there anybody can tell me what is the cause of after resetting and reloading the 1841 router acting as a dhcp router its dhcp option line is missing, even i have done with write mem and copy run start?

Hi there. I'm receiving this syslog message thousands of times per day:%C4K_SWNETFLOWMAN-6-FIXEDCREATIONTIME:I looked up the message in the documentation and all it had to say was this:Error Message C4K_SWNETFLOWMAN-6-FIXEDCREATIONTIME:Fixed creat...

We use 7609 routers as MPLS PEs in our backbone network. Recently I've taken out a 8 port Giga module from the 7609 chassis while its powering on. I found that this module configuration of all its interfaces still stays when I do a "sh running"; but ...