Other Network Architecture Subjects

I used to use the following command on 2950 series switches :"access-list 100 icmp host 123.123.123.1 host 123.123.123.10 echo"(addresses are examples. the .1 is a server, the .10 is the switch)But now, when i try to use the same line, on a newer sw...

I have a point to multipoint router installation for a HQ (2620) connected to two routers (1720) of respective branches by a dedicated leased-line. Furthermore, I have also an ISDN DDR as a backup from each branch to the HQ. Please guide on how to co...

I have a customer have serval cat5000 as core switch, 1900/2900 as desktop switch. connected by fibre FE. They have serval windows nt servers, and hundreds users.The strange thing every time when the user log into windows nt server ,it took about 30s...

I understand that there are going to be a percentage of collisions on an Ethernet interface. My question is, how many collisions is a problem, what percentage of traffic? I am experiencing latency on a Frame link (640k). The Serial and WAN have be...

Help !I have two 3550's interconnected by two gigabit links that are bound together. I also have two Vlans configured on both switches with a HSRP ip address. When the trunks are connected the switches complain about duplicate IP addresses on the L...

Is anyone aware of any problems with running HSRP and using 6000 series switches? I support multiple sites and we are starting to see problems with HSRP. On one site we are using two 7500 routers to do the routing and run HSRP. On a couple of othe...

I have a CISCO 16 port Modem module in a 2610. Now each time I dial in to the CISCO from my station, I can only get 300bps !I am using telnet or connecting to a port on a UNIX host.I have tried a variety of modems from my end and also changed the mod...

HiI would like to use policy routing on 3640 and 7206 routers. Apparently, policy routing can be fast switched as from IOS 12.0. However I am wondering about the performance impact. If any of you has it running, do you how much CPU is consumed by pol...

I am planning make my network Multihomed by taking two leased lines from two different ISP's to provide load balancing and redundancy. I have a website running in my premises. I want to acomplish this by installing BGP on a Cisco router. My problem i...

We have a remote office running a Qwest frame relay circuit on a 1720. The aux port has a USR modem connected to it for out-of-band management. The location is currently down, and we are having difficulty establishing a usable connection to the mod...

Can Cisco Works 2K, ver CWLMS-1.0.NT be installed on Win2K?-thank you.

When using 12.1(14) software, the RPF neighbor against an (S,G) mroute is not the next hop to source in the unicast routing table, instead it appears to be the DR for the LAN that leads towards the source. It is also marked with an asterisk. In pre...

Hi, I have some 1900 and 2924XL Enterprise switches here at work. Some of the 1900's have IOS 5.37. Is it possible and a good thing to upgrade to IOS 9.00.04?? That is a big jump and I'm not sure if I want to jump that high. Thanks for any respo...

My DFM 1.1 system sends false operational exceptions (8 last night) for a specific cat6K that has not problem. When investigated via monitor console on errors logged and logs on switch are clean? Flease advise a fix.

When I use:area x x rang x x x , command on ABR . I note it is automatic create a static route to interface null 0. I know It can not do before . after which version of IOS can do it.