Other Network Architecture Subjects

Hi folks,In our network we have multiple Cat5500 with RSM running multiple vlans, connected to each other via Gigabit Ethernet. One of our RSM recently keeps on displaying this error message after rebooting:Aug 2 16:33:25 GMT: %ALIGN-3-SPURIOUS: Spu...

Hi......The shown configuraion is ubr7200 CMTS router.I would like to know each command statement.Would you explanation me next config ?I wanna easy explanation. :)----------------------------------------interface Cable2/0 ip address 10.80.0.1 255.25...

hi guys, i got 1 fastethernet & 1 ethernet in my router 1751. I wan2 choose ethernet as my backup link as Lease line and ISDN. Once the fastethernet down, then the ethernet will UP. But i dono wat is the command. pls help

I am planning to upgrade my 6513 to ver 8.3(4). Can you verify for me if this CatOS is compitible to the sup2. Thank you.

We have applied an ACL on an interface Vlan on a Cat3750 that would deny users from reaching the Internet but allow them to reach all interal resources. We've applied this same ACL to an interface Vlan on a Cat4506 SupIV. While this ACL works for ...

Hello,Can you help me figure out of how do we setup a small test network that is based on IPV6. I don't know anything about IPV6.

whenever I type "clock rate 64000" in the router 2500,it shows "ambiguous command: clock rate 64000".It seems quite right, isnt it?what is the problem?thanks!

We are currently implementing port security on our switches and have been successful with access ports. Our troubles have come in enabling port security on a voice port. Since trunking is not allowed when using port security, does anyone have a sol...

Hi,We have been doing some test on our 3560G switch with 802.1X. The switch port has a Cisco IP Phone 7940 connected and at the back of the IP Phone is the PC (802.1X client).The PC authenticates with the computer name or the username properly withou...

Hello,somebody can help me?I have one switch 2950 ,one router 2620 and 3 hosts.I have created in the swith 3 vlans :vlan 1 (from fa 0/1 to fa 0/8)vlan 2 (from fa 0/9 to fa 0/16)vlan 3 (from fa 0/17 to fa 0/24)in vlan 1 I have attached :in the fa 0/1 ...

Dear All,My core switch is 4500 which support Private Vlan. However, I have several closet switch (2950) which only support Switchport Protected. 4500 and each 2950 are connected with trunk using fiber.How can I config PC at 2950_Switch1 cannot commu...

Pls guide me to clarify the native VLAN.sw1 & sw2 trunk connected and configure native VLAN100 & VLAN200 each as mismatch.Q1) Is the management information such as VTP via native VLAN? Can be exchangable L2 information even native VLAN mismatch?Q2) w...

Has any one ever seen a problem like the following?We have a stacked pair of 3750-48s (SMI) ether-channeled to a stacked paire of 3750-12s switches (EMI). The channeled ports are each on separate switches within their respective stacks.Everything is ...

silly doubt but need 2 know, watt is the difference between CatOS & Cisco IOS?