Other Network Architecture Subjects

I am using Cisco 2620XM with nm-8am and runing config as below:version 12.2service timestamps debug uptimeservice timestamps log uptimeno service password-encryption!hostname abclsm2!enable secret xxxxxx!username guest password xxxusername interen pa...

Greetings:I dug (literlly) a cisco router 2500 out of the closet a couple of days ago. I am wanting to building a test lab for a security class thru sans.org. When I boot the router up this is ALL I get nothing else:System Bootstrap, Version 5.2(8a),...

hi i have several branch office wich are connected to a central office, in the central office i have two links to internet, i need to configure that the hosts of the branch offices go to internet for one internet link and the hosts of the central off...

%SYS-4-P2_WARN: 1/Filtering Ethernet MAC address of value zero from agent host table interfaceI am getting this message on a switch in my network. I disabled the ports that it said it was flapping between until I figure out what this error means. A...

I am running Ciscoworks 2000 on Windows 2000(Sp4). Recently we have changed some of our Cat OS devices to MSFC2 (from MSFC1) and incidentally changed the supervisor boards (making cutover much easier as we could have the supervisor upgraded and confi...

If there are 2 sites that each have their own internet connection, with a ppp link in the middle (cisco 1720 routers), can the internet connectivity be made to fail over to the other site automatically?Given the following scenario:Site 1:Cisco 1720 r...

How do I get to the Bridging information?I tried: sh bridge but get nothing, also tried: sh bridge 'int #/#' but get an incomplete command errorThere are display modifiers, but I don't know what to put in there for LINE.J~

We just got our single mode in the the ground. We tested it and it has tested good. We have a 3550 12G on one end, and a 4503 on the other using LX/LH GBICS. The ports both come up, up but will not pass any traffic. The configs are good as far as the...

Hi all,Q1:I have trivial questions. Why I have to configure ip default-gateway x.x.x.x on switch ?Is there difference configuring default gateway on switch and router?Q2:What is difference configuring default gateway on router and static route?many t...

Hi,We want our Cisco router to syslog to a Kiwi server on the LAN. The Cisco router is in the DMZ. Internal firewall is say 192.xxx.xxx.xxx. The Kiwi server is 10.xxx.xxx.xxx on the LAN. Kiwi listens to UDP 514. When we publish a rule on the internal...

hello everbody,i'm still looking for a solution for my problem.i've got to do something like proactive management...i want to get informed about any problem on a router or it's interfaces before it is noticed by some users on the network.you know, th...

Hi all,could you please tell me what is the correct trap commad to enable router to send trap only for up/down of serial link??Thanks youMarco

Using SUP720 we have MAC table entries which I don't know where they are coming from:* 115 3333.0000.0016 static Yes - Switch* 115 3333.0000.000d static Yes - Gi2/1,Gi2/9,Gi2/15These entries are on all VLANs.Could somebody explain why we have the...

What is the difference between WS-X6348-RJ-45 and WS-X6148-RJ-45? Also, if you've had good luck or bad luck with one or the other... any recommendations or guidance certainly appreciated!Thank you,Steve