Other Network Architecture Subjects

I am in the process of upgrading a 3825 from SP Services to Advanced IP Services.Currently running: 123-11.T5.binIf I understand correctly, the T series are for new features while the mainline incorporates new features from the previous T series and ...

I have loaded new IOS onto my 4948 switch, using a TFTP server it is located in bootflash:, how do I force the switch to boot from the new code.

Is there any limitations for ACL and multicast on 6509? I created this acl:permit ip any host 239.2.2.2aplied it to a vlan interface for in and out, but when I use sh access-l command the math count shows only the number igmp reports from a host to t...

I have configured PBR on a 3660 router to route local traffic outbound to 2 different pix firewalls that sit in front of this 3660 router. I have 4 t-1 sites connected behind this 3660 router (all 2611 routers). Now the problem isn't routing throug...

After executing the following command: 'clear tcp tcplist', I am no longer able to telnet to the 6513 switch (CatOS). I would like to restore the telnet functionality to this switch. Does anyone have an ideas. I have searched everywhere for a reso...

OK, so i know VLAN works on either layer 2 or layer 3. What is the purpose of putting VLAN on layer 2? just to subdivide a switch to function as multiple switches?Also, the environment i am in currently has 3 vlans (production, dmz, public wireless)....

I am interested in purchasing a Cisco Switch and Router, or possible a Cisco Switch Router.However, I am not sure of what model to go with.Currently, we have a network with about 200 Workstations and 30 Servers for our Corporation Infrastructure.Also...

Hi the Catalyst 6513 is giving me this message:Nov 1 21:34:09: %PFREDUN-SP-4-BOOTSTRING_INVALID: The bootfile slaveflash:s72033-pk9sv-mz.122-17d.SXB1.bin is not present in standbybut it seems to me that everything is Ok bootflash is copy on both sup...

I am trying to copy the running config to the startup config but I keep getting an error that points to NVRAM.This is what it looks likewhen I issue the copy command.CISC04-0F#copy run startBuilding configuration...nv_done: unable to open "flash.new"...

hi,i have a bit of a problem.hardware is cat6500 with sup2 (512MB dram)/msfc2 (512MB dram) and sfm2.software is ADV IP W/MPLS/IPV6/SSH/3DES + BGP 12.2(8)SXD6.bgp is configured with 3 ebgp peers and 8 ibgp peers. currently i filter only about 40 prefi...

When using the no arp arpa command on a interface, I assume the command disables the ablitiy to send arp requests, but does it also disable the ability to respond to arp requests?

How would I set up a simple vpn between 2 1700 routers in my home lab, I would like to set up a proper vpn,not ip sec tunnel, thats if there is any difference ?

Can I use SNMP to set a trap that emails me when a new MAC address is introduced to a switch using PortSecurity? I have prot security enabled on my switches in shutdown mode now, and an CiscoWorks LMS. The problem is havinig the switches in shutdown ...

I have a router ,configured static nat:ip nat inside souce static 192.168.0.2 202.11.22.22 The 192.168.0.2 is a Web-serverThe PC in same lan ,Visits Web server use IE with ip address 192.168.0.2,but no advantage.sho want to use Domain name Visit Web-...

All,I have a 6509 running v8.1.(1) of CatOS. I have two Sup2 (WS-X6K-SUP2-2GE) a SFM2 and two WS-X6548-GE-45AF modules. It seems the two 6548s shut down because the daughterboard is not supported. Does anyone know what version of code will support...