Routing

I have a 2811 with subinterfaces on the Fast Ethernet for different vlans. 8021.q trunk between the router and a Catalyst 3560. Would there be any adverse effects by turning on Netflow on the FastEthernet interface or do I need to do it on the subint...

Q:-- Which of the followings are true regarding classless routing protocols.A.) default-gateway is required.In explanation it is mentioned that in classless routing protocols default-gateway is not required.But I think default-gateway is required in ...

Trying to come up with a "best practices" for the keepalive command on an HDLC encapsulated serial interface. I have multiple Satellite connections to support, and all but one have the keepalive command enabled. Why would the keepalive command be d...

Hi, How does an ABR generate the cost for ospf summarised routes..?

I'm having trouble to connect a Bay Stack router via dlsw+ protocol. There is no problem with TCP connectivity at all. Has anyone ever done this before? Any input is highly appreciated!Thanks!!

I work in a fairly small environment with about 20 or more routers and switches. Even in this environment I find it fairly monotonous to make configuration changes. How do network admins in charge of 100's or 1000's of routers/switches manage this ma...

Is it possible to aggregate multiple T1 channels on a channelized DS3?For example can I use mlppp to aggregate 3 T1s from Site A to a channelized DS3 at Site B?Thanks!

Please could someone tell me the out output from a show interface can you determine how old the statistics are and how i can gwet them from a certain time periodMany thanks

All,I ran the -show ip int brief- command on one of my routers and got this:Interface MethodFastEthernet1/0 NVRAMSerial1/0 TFTPI cut the ouput short because I know what the other stuff means but what does Method mean and why i...

I have a strange problem that I can't add a lifetime to the "crypto isakmp policy 2". When I try to add lifetime 86400 from CLI it doesn't retain the setting. If I add say 600 seconds it does. If I do lifetime ? 86400 is supported (24hr). It will...

Is It possible to prevent spread of network worms like blackmal in switches/routers of my networkSP

Does anybody know how to connect two sites over leased lines: one with Frame Relay other with semipermanent ISDN connection?Is it possible?

i am getting following error in OER. Any help me!!!*Mar 1 00:46:48.675: %OER_MC-5-NOTICE: Uncontrol Prefix 192.168.60.0/24, Couldn't find the best exit*Mar 1 00:46:48.675: %OER_MC-5-NOTICE: Uncontrol Prefix 192.168.60.0/24, Couldn't choose exit in ...

The cisco7507/8-mx is a vpn server.When the vpn client sessions are only limited up to 2048 sessions,but the configration of session limited is more than that.The vpn client all use pptp and not the ipsec.IOS is rsp-ik9sv-mz.123-8.T11.bin.I want to k...