Other Network Architecture Subjects

I have enabled MST on a access layer switch here is the MST config spanning-tree mode mstspanning-tree portfast bpduguard defaultno spanning-tree optimize bpdu transmissionspanning-tree extend system-id!spanning-tree mst configuration name building1 ...

I am setting up a 1700 router to replace an oddball router. I have set the encapsulation, LMI type and DLCI number based on the router on the other end and MCI specs. Seems like the router sends LMI packets but get no response. MCI tech says he gets ...

Hi!My environment is composed by 2 PPP links, 2 routers Cisco 2600 and 1 switch Catalyst 3550 (vide attachment).I am thinking to use the Catalyst 3550 switch to implement load balancing but I´m not sure how can I do it.Somebody can help me?Thanks.Rod...

Hi,I have a 2950 that won't boot properly. This is all that comes up:C2950 Boot Loader (C2950-HBOOT-M) Version 12.1(11r)EA1, RELEASE SOFTWARE (fc1)Compiled Mon 22-Jul-02 18:57 by antoninoWS-C2950C-24 starting...Xmodem file system is available.The sy...

Grettings.I have a setup of a 6506 that is acting with private vlan 10 and backup 20.On an accessswitch, witch is using port protection and vlan 1 as native, I would like to seperate some hosts in their own vlan - like vlan 2 - so they are able to se...

i am trying to free up ports not in use on 2950 switches ie pyhsically connected to patch panel but with no machine at other end. is there any monitoring software or any other way i can do this?thanks in advance

Hi,Is match packet length command supported on any IOS for 4507 switch. When I give match ? i dont see the command. The IOS version is cat4000-is-mz.121-13.EW2.bin. I searched the cisco site but could find one. Basically I want to restrict NAchi worm...

Here is the scenario.We have 2 6500's with 2 vlans that exist on both switchs. Let's say Vlan 10 and Vlan 20. I need to RSPAN the traffic from Vlan 10 to an IDS sensor connected to 1 switch, and the same for Vlan 20 to a second IDS sensor on the sa...

Hi,Can anyone help me configure aggregated trunks between 2 C4500 Sup11+ and 2 HPProcurve 5308XL's? This is part of a migration project from HP LAN Switching to Cisco, where I have to retain and support the HP side for at least 12 months?

I had configured this, but when i plug in other machine with different MAC, how come it still able to access the network?interface FastEthernet0/22 switchport mode access switchport protected switchport port-security switchport port-security maximum ...

Hi guys, i got a situation here where i am doing a copy tftp flash the process hangs and i got a flash without any image. I am now in rommon mode and trying to use the tftpdnld to get a image in the flash. After i do a boot sys flash:<IOS Name>, it s...

some ports of cat 2950 experiences transitorily down&up, but no error message, possible cause?following is show logging and show run /version attachedSwitch-355012g-5#sh logging.Sep 22 08:36:57: %LINEPROTO-CLUSTER_MEMBER_5-5-UPDOWN: Line protocol on...

I just fixed the problem of NAT in 1712. Just upgrade the IOS. However, the IPSec did not work which is worked before. The IPSec tunnel has been establish but we cannot ping. I can ping before. The problem is do I need to reload the router when ...

we are just implementing VoIP, We are plugging our pc's into the phones and the phones into the switch, The switch has all ports configured for Vlan200, which is being used for voice, How come the pc's still work fine and can see all the other switch...