Other Network Architecture Subjects

Is there any way to tacle with CodeRed and Nimda worms on Cisco 4700 router? The solutions (mostly NBAR and ACL) discussed on cisco sites are not applicable with 4700 routers. I have been using ACLs to block the CodeRed infected web servers manually ...

Hi, I'm trying to find information about the stackability of Catalyst 2950. Do I need aditional SW or HW or is it possible to connect the ports together just like that? What's the limit for the number of Catalysts I can connect together? Thanks...

Can any one confirm if the Cisco SMB connector is a 43 type?These are found on MGX CESM cards etc.

Hello,I need information on how to go about upgrading memory on our Cisco 2501. I would like to upgrade the memory to the full 16MB's allowed.What is the general cost of the memory? I have seen a wide range of acceptable memory ranging from $50 to $8...

Can the 2948 Switch be managed thru the Internet

router r1 ,start a call to the central router r2.hostname r1 isdn switch-type basic-5ess !username r2 password 0 cisco username alias-r1 password 0 ciscointerface BRI0/0 ip address 20.1.1.1 255.255.255.0 no ip directed-broadcast encapsulation ppp dia...

I have a 2000, linux, nt, novell network I am going to setup the 2 2600 for internet access please help to configure and allow access to these networks

Hi, All,I have a typical problem here,A router has been configured to dial out to the ISP and the users on the LAN can browse the internet.During the day time when the router attains Idle Time out,the line is dropped, and later on when it senses any ...

Hello all experts,I want to know the difference on the QOS featuresbetween 3550-12T(Rel. 12.1(4)EA1) and 4900 (Rel 6.3).The document in 4900 is much shorter than that in 3550-12T. Can I get the same feature set from thesetwo modules? (Such as the cla...

I noticed that the free memory available on the MSM (our primary lan router) is extrememly low. One process that seems to be holding the memory but not re-allocating it is SCP. We have a total of 46MB, 45 is used, which leaves right at 1MB of free....

i have w2in 2k network running on cat3548 (only one switch). I have enable 100mbps,full duplex both on switch and client side.now when i see interface on switch: sh int f0/13 or any, it shows ***input errors and ***crc.any advice.thx

Gives lots of input errors. CRC en frame errorsSettings are both on switch and NIC 100 Mb Full duplex. What about other settings on the 3C905C-TX-M NIC. Such as: 802.1p support, flow control, RX Checksum Offload and Tx Checksum Offload

I have a project in my Networking class in which I have to connect 8 100Base-TX LANs and 2 Token Ring LANs. Also in this building they have a PBX system and need to know how to connect all of these. I have done quite a bit of research on this and I...

I'm trying to further troubleshoot a problem with a point-to-point T1 link. I have a T1 link that I am questioning the quality of, due to the input errors that have been reported on my serial interface at my end of this circuit. I first was using a 2...

Hi,I have 10 vlans managed by a Catalyst 4006 on my pb floor. I have 2 or 3 catalyst 3548xl by floor. Each floor is a vlan. the ip management that i use is like this: 172.30.f.h. where f represents the floor and the h represents the host. I have a n...