Other Network Architecture Subjects

The ARP requests are apparently not being forwarded by the switch. At the end of two Ethernet port-channel links there are two systems belonging to the same VLAN. The ARP request from A to B is OK, but from B to A is not. Tracing on the end systems s...

Can a dialup user which is using an l2tp connection give during the initial (setup) phase his computername with the request. The reason for this is, that the dhcp server has in his lease database the name of the user (pc) and not the name of the rout...

I installed CW 2000 on a work station with a 933 Mhz PIII and 512 Megs of memory. Performance was fine initiailly. The work station was subsequently set up as a backup management server with a Netware 5.1 client and Arc Serve 2000. Since Cisco rec...

Hey, i'm trying to NAT to an IP thats not the serail IP address, anybody with an idea?

I have a strange setup (inherited but not created by me) 3 ISPs, BGP with all of them. I take full routes from ISP 1 (mid sized) partial routes from ISP 2 (Huge) and am trying to add ISP3 at another location. The locations are connected via 2 T1s ...

I have just installed Cisco Works2000 CD One, 4th Edition, Resource Management Essentials 3.3 and now Campus Manager 3.1 without any problems. But when I try to start any Service of Campus Manager (for example Topology Services) from the desktop, a w...

i have a core with two 6509 (VTP Domaine and Vlan are configure)and want to connect a new building with 4006, what is the proces to plug a new switch on a active environment? i am thinking about the severity/ revision number, when a switch join a dom...

Anyone got ideas about this error. It seems to be occuring on most of the ports on my Cat4006 SwitchThere are no problems due to this error but it don't look good.CDP-3-SENDFAIL:Transmit failure on portUDLD-3-SENDFAIL:Transmit failure on port 1/1It h...

Hello, Does anyone encountered issue of RPS 300 reboot will cause the Cisco Catalyst switch to reboot ?Appreciated your kind advice

Hi, we currently are migrating a tokenring / atm environment to ethernet.A Nortel Centilion C-100 with tr/atm blades is connected to a Cisco 7204VXR via OC-3 atm interface.The atm link is stable but as soon as the atm link is established the tokenrin...

I know that if my switch is configured as a VTP client or server that I need to use the "mls rp vtp domain" command on my router - but WHY do I need to do this?How is the information gathered from the VTP domain used to make MLS run better on the rou...

I am a little new to cisco routers and need some assistance. I would like to know if it is possible and how to block SNMP at the router. If possible please step me through the actions I will need to perform.Thanks in advance!

This might be too general a question but I will ask any way.Why would a router drop 10%-20% of entries from its ARP table? Thanks,Khurshid

If I have a 5500 with three VLANS all connected to the RSM over internal trunk links, how can I configure all traffic say on VLAN 2 going to VLAN 3, to be directed to VLAN 4 where there is a FW? All routes are directly connected hence they have a met...

What is the interface between the MSFC and SUP?I recall it is a trunked 4Gb etherchanel, but I am not positive.