I am running a 2621 connected to the internet.  It's got two interfaces.  I
found out that my ARP table is absolutely huge!  There is a public
webserver, and a Mail server behind this router and the number of arp
entries does not correspond with the number of connections.  I am also

I am using MRTG for monitoring all devices, but now want to know how I
can monitor the MS Exchanger server ?
Is there information or free tools to be embeddedd into the MRTG
Server in Windows version or Linux version ?

I need to upgrade the Rommon in a 6500 Switch with a Supervisor Engine 1,
because a 64MB Flash Card needs at least Rommon 5.3(1).
I Can't find a single Rommon upgrade for Supervisor Engine 1 at the
download site at cisco.com.

I have some catalyst 2950 connected to catalyst 4006 via gbic interfaces.
Some gbics interfaces on the 4006 seem not work. I can't see "red line" on
the gbic interface !
I can connect the 2950 catalyst on some gbic interface but not in other gbic

I have build a lab using three 2500 Cisco routeurs connnected together using
serial interfaces.
I don't own an asynchronous server to connect to each console port.
Which solution to you advise to supervise each of the Cisco(s)?

I have been trying to configure a Cisco 1720 router with a wic T1
csu/dsu serial board installed.
The symptoms of the problem:
Can telnet to router

i have an 2611XM with 2 ethernet interfaces and 2 dsl interfaces
ethernet 1 is conected to my local lan
atm0/0 is connected to dialer1 conected to provider 1 where tis provider
gives me 62 static ips .129 to .190

OK, Here is a topic not sure if many will be able to answer but I am going
to ask anyway.
Does any of the Cisco IBM gateway products suppot SNI (PU4) connections
between two hosts with having to have an NCP on the mainframe. We are

hey
i have a cisco subnet routing question. We are a data hosting company
and here's a quick look at my issue...
I have a client coming through ADSL into our hosting center and needs

I am new to the network monitoring, I would like to find a protocol
analyzer to see each protocol flowing through each port of a Cisco LAN
Switch, or a Router, any recommendation ?
Thank you

I know that 'write memory' is used to save the running configuration
to the NVRAM of a CISCO device.  But how about the 'write' command
without any argument?  What will it do?  I can't find any hint from
the documentation.  And of course I know that newer version should

I am trying to limit the Dialin User from ISDN, I am using Cisco ACS
3.0 with MAX tnt (access server). one of the IETF RADIUS Attribute is
Missing.
IETF Radius Attribute number = 61 (nas-port-type)

I'm doing some lab testing for multicasting across cisco routers.  I have
two 3810 Cisco routers connected back-to-back by using the Aux port at
38400bps speed. Each Ethernet interface is connected to a different LAN
segment. PCs attached to both segments run Windows 2000/XP Phone ...

I need to purchase a cisco router for the office I work in.
Here is our set up:
DS3 Coming in and 2 split networks. Our DS3 is going to be handed off
with a ethernet connection so I was thinking a router with 4 etherenet

I am having a problem creating a mock frame relay connection between two
routers.  Here is what i am trying to do:
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