Other Network Architecture Subjects

How are ICMP packets processed on these platforms ? Are ICMP packets by default cef switched on a 7200, or is it that the first packet is process switched and the following set of icmp packets to the same destination are cef ?And does it work the sam...

When I try to save a configuration (eg. wr mem) I get the following error:"%Error opening nvram:startup-config (Invalid file name)"I have already copy to tftp start-up from msfc/2 in slot 1 and then back to msfc/2 in slot 2. But nothing.Can anyone he...

We have the following scenario: two 2621 routers at the end of a point-to-point serial line. The routers have the integrated CSU/DSU module connecting to the WAN, and the fast ethernet port on the LAN. The FE ports both have IP addresses in the segme...

Hi,Can I configure on the Catalyst 3550 12G or 12 T, HSRP for VLAN interfaces?If the answer is Yes, I want to read any documentation about that.Thank You in Advance

I have a network with various VLANS configured, with a 2948G-L3 doing Inter-Vlan routing. The 2948G-L3 is configured with BVI´s for every VLAN. Can I include a 3550 layer3 and configure HSRP. If yes do I have to also use BVI´s or use VLAN interfaces?...

We are using the following simple scenario:- PCs should get their IP parameters via DHCP Clients- The local routers are running HSRPTherefore, I have to configure a helper-address. Which ip address is inserted by the routers as dhcp relay agent addre...

Sirs,I am running CiscoWorks 2000, LMS, 2.1, on Solaris 2.8, on one server, and NNM 6.2 on Solaris 2.8 on another. (A couple of Sun 280Rs)We are looking at a network of around 2,000 Cisco devices.On running an ANI Campus Manager discovery, NNM report...

I loaded the wrong IOS into the sup-bootflash. The IOS was for SUP1 and MSFC1 and I have a SUP1 MSFC2. The switch boots into romon and If I force to boot into the wrong ISO it locks up. IOS loadedc6msfc2-boot-mz.121-8E11c6sup11-dsv-mz.121-8B.E11Need ...

I have an MSFC continiously trying to boot a non-existant IOS, but can't find a break sequence to stop it. Any ideas?

WE have Cisco 3640 Routers conneted through the Private Leased line between our two offices. It was 1MB Line and We a day before upgraded the link to 2MB but could not find any wast improvement in speed. Is there any way using Cisco or third part sol...

I want to save the configuration on my BPX 8660 to a TFTP server or onto my PC.Incase my config got corrupted , I just want to load it directly from PC and bring ciruits up. Can anybody help me with this ?thanks,jagadesh

I am looking at configuring two 3640's in parallel for redundancy as the core for our enterprise network. I am familiar with the concept of using a virtual IP but have never configured a network for it. I am not familiar with the hardware that wou...