Other Network Architecture Subjects

In order to squeeze every drop of performance from my routers, I think I'd seen where a router can be told not to respond with ICMP Unreachable messages. People scanning our network from the Internet & other scanning behaviour for networks that we d...

I read one Cisco doc that said to use this command on GRE - IPSEC tunnels. http://www.cisco.com/en/US/partner/tech/tk827/tk369/technologies_white_paper09186a00800d6979.shtmlYet the Cisco doc on the command states, "The ip tcp adjust-mss command does ...

Hi all,I get the below message on the console of a 3640router. Anyone knows what this mean ? HW or SWfailure ? I can't get in the ROMMON via Ctrl-Break.ThanksRalfSystem Bootstrap, Version 11.1(7)AX [kuong (7)AX], EARLY DEPLOYMENT RELEASE SOFTWARE (fc...

Hi, We have a cisco 3750 switch with IOS 12.1(19)EA1c. I wanted to access the Switch through web browsing and when i gave the ip address http://ip address i am asked for the username and password and after i get authenticated i get a page which says ...

I'm in the process of editing an access-list. When I attempt to ftp the running-config back to the router, I receive a time out error. I tested the same procedure with a much smaller running-config file, which in this case it worked. I was thinkin...

I'm trying to authenticate users connecting with PPTP to Radius, I configured the Cisco 3660 (NAS) for accepting these connections but I'm experiencing some problems, it authenticates correcttly but it gives me the 734 DUN error which is Error 734 : ...

Hi,have Cat6500 running Native IOS. If I remove a Ethernet-switching-module from the chassis the config for the interfaces on this module is still present in the running-config. Is there any possibility to remove this part of the config without resta...

Hello All:Have a 1720 in front of a Sonicwall Firewall. Trying to establish VPN with Smart Card logons. Regular VPN work fine (no smart card authentication)When smart card enabled on VPN server,logins hang with verifying username and password. Checki...

Hi, I have the following;HQ Office:1x 2600 series Cisco Router- IOS 12.X - 1x Serial Interface- 1x Ethernet InterfaceRemote Office:1x 2600 series Cisco Router- IOS 12.X - 1x Serial Interface- 1x Ethernet InterfaceThe Remote Office is connected to the...

Hi,Simple question, does anyone know if the 805 supports STUN? I am assuming that the IOS will do but I can't seem to find anything on the Cisco site to confirm this.ThanksRob

Dear Sir,What's happend ?It Often prompts this message :%FM-4-FLOWMASK_REDUCED: Features configured on interface Vlan40 have conflicting flowmask requirements, some features may work in software thank you------------------ show version -------------...

The dynamic configuration tool let me place a NM-4T1-IMA in a 2651XM config as recently as yesterday. Now it doesn't show up. The compatibility matrix shows this NM is good to go in a 2600. What's wrong here?

I have just got VMPS working on our network, and I now find that Wake-on-LAN no longer works. I guess, if I think about it, that should have been obvious. When the PC gets switched off, it bumps the port, and so loses its VLAN membership. It's a pit...

I have tried to install CiscoWorks2000 CD One 2nd Edition on solaris 2.8, but it was finished with errors like as "./jre/bin/jre: cannot executeno new.depend fileERROR: Cannot make list of packages for installation."installation is possible or not ?