Switching

Hi All,I have Cisco 6500 switch with Sup 720-3B on it.The issue is the switch is bootting in the ROMMON mode.I have sent the conf register to 0x2102 save the config and reload the switch. The switch works fine if I do reboot,.But when I manually shut...

I have a Cisco 3550 that we are using for routing and switching. The switch has a default gateway to the 192.168.5.x network and is also connected to a PIX and an ASA as shown below in my diagram.                                      PIX 515         ...

Hello,I am sort of new to networking and would like some information on how to properly implement multicasting and other best practices for a LAN I am responsible for.   I will try to give a little background information and hopefully some of you can...

We have a 6509 and a few 4507's with dual sup engines and I want to test the SUP failover.  Is there a graceful way to failover to the backup sup engine on these?Also, I did a "reload" command and it appeared that it just rebooted the SUP, is there a...

Hiwe have a cisco catalyst switch c3750 with 4 SFP ports. now we have opened a new site office which is about 500mts away from the main office so we are using this multi . so we need to connect the new branch to the office through FIBRE optic cabling...

We know that the following command is used for the establishment of the EtherChannel:SW(config)# channel-group 1 mode on/active/passive "silent"Can someone please explain, what is the purpose of "silent" Keyword????Another question is that In LACP, w...

Hi All,I have the following set-up(see attachment). All the ports are in trunk mode and have the same native vlan. But i can't remotely access switch B from my PC.I 've tried to resolve the problem by putting the Fa 0/1 port in the router mode but it...

I have a request for the following, and am not sure if this can be achieved (and if so, I have yet to set something like this up, so I hope someone here could help me).  I know that routing the two VLAN's and having them trunk to a port works, but th...

GreetingsI am trying to do mac filtering on 3750, and here is the config I have...!mac access-list extended ARP_Packetpermit host mac1 any 0x806 0x0permit host mac2 any 0x806 0x0permit host mac3 any 0x806 0x0permit any mac1 0x806 0x0permit any mac2 0...

Hi Experts,We had implemented  internet access for the students in college campus. Perhaps, recently we've noted the college staffs bring up their laptops and connect to Wifi and get internet access. Consuming the bandwith for non-business purposes.S...

Hi,I'm trying to configure NTP with DNS resolution on my switchs ( ntp server dns-name ) but apparently the switch do the resolution and fix the IP adress on configuration. When i change the IP address of my ntp server, there's no more synchronizatio...

Hello,i have made a vrf on a router, in the vrf i have the layer 3 interface to the pe and a vlan interface for connecting a interface not routed to a switch.The switch is configurerd with vlan interface 1 , 1 layer 2 interface in vlan 1 is connected...