Other Network Architecture Subjects

I'm having trouble figuring when Unidirectional Link Detection (UDLD) would be useful.Wouldn't Ethernet keep-alives ensure that an interface never stays up if the TX-RX path between two switches is interrupted?In the fiber-optic case, if the TX-RX pa...

I have this set up. A Cat 3550 (Cat A) connected to a Cat 6509 via VLAN 50 and not trunking and I added static route . And then I want to connect 2 x Cat 3550 to the Cat A. VTP is configured on Cat A and the other 2xCat3550 will connect as clients ...

Hi all,I have two locations connected by leased line.At one location(A) three networks are there and other side(B) only one network.Some systems from location B are sending junk data to location A. when I observed by " DEBUG IP PACKET DETAIL" I see s...

We 're using a cat 3750. Recently we 've modified theIP address with IE and express setup. But now wecouldn't communicate because the cat 3750 needs a password which is unknown for us !So we 'd know if there is a mean to reset password.Thanks

I am unsure of which MIB object to use when querying port status of the following devices, Cat 4507R and Cat 2950 both running IOS 12.1. I was given a suggestion of using ifOperStatus in the ifTable. However, this is giving me many ports' status that...

Hi A client with a switch Catalyst 6009 with supervisor 1A. He needs 48 ports 10/100/1000 and He has a WS-X6148-GE-TX module. Can I insert this module? What does He need? (memory upgrade, software upgrade, etc...) He has that modulesShow version WS-...

Dear all,I have two routers (Router A and Router B)having two LAN interfaces each. I have two servers(Server A and Server B) with two interfaces each. Router A is connected to Server A and Server B via its two LAN interfaces. Router B is connected to...

I'm using a 1721 with 1 isdn to connect other cisco router.Now i plugged in one more isdn bri interface.I have 4 dialer prifile 3 bind to bri0 and 1 bind to bri1.interface BRI0 no ip address encapsulation ppp no ip route-cache no ip mroute-cache dial...

Hi all,does catalyst 2955 support ACLs on physical ports?Thanks

Am I off base thinking that I should be able to configure a ppp connection on the Serial interface of the WIC-1DSU-T1? I used to use it for a frame relay connection just fine and am trying to move to a standard T1 with ppp encapsulation and no authen...

Hi..how can i get the MIBs of Cisco VPN conc 3030 for monitoring the number of sessions ? i think vpn conc monitor is no longer supported now. is there any other tool which can plot this information ?

Cisco 10K router contains two 10K router Engine cards (processors). Can these be considered as two seperate routers (active/standby)? Or do we have to have two seperate Cisco 10K rouetrs in order to support redundancy? Pls advise.

hello,I am looking for a low-end Cisco router that is suitable for operating in a home network environment. I would like to be able to support at least 2 subnets with the router. Also, I would like to be able to use it hopefully to learn VPN config...

Having this two errors incrementing in frame relay network int the router