Other Network Architecture Subjects

We just install a new AS5350 for Modem Access in campus. It is connected with Catalyst 6500 core switch and use E1(isdn) for connecting with Telephone Organization. We have 2 problems about it.1.When we dial to AS5300 and get authentication by radius...

Hi Friends,I am having 1720 router but it does not boot without flash does flash card neccessary for 1720 router to boot?This message keeps on coming ....System Bootstrap, Version 12.0(1)XA1, RELEASE SOFTWARE (fc1)Copyright (c) 1998 by cisco Systems,...

I need comments about Cisco 3662-AC/DC-CO Multiservice Access Platform for Service Provider Network Operations Connectivityhttp://www.cisco.com/warp/public/cc/so/cuso/sp/telco/dcn/c3662_ds.htmlook at: Customized Operating SoftwareMulti area OSI suppo...

Hi,I have a client, 200 users - one segment, remote areas connected with fiber to hubs (10mbps at that)What delineates the need to consider Layer 3 Switch? I know multiple Vlans, multiple subnets, would. I think A good catalyst platform with fiber bl...

Hi,I have a 1720 router with an ISDN card , and I have one ISDN access to an ISP ( for 128 kb/s ). I wnat to connect with my router only at 128 kb/s (I want to make that ISDN interface to stay up with both channels bri0:0 and bri0:1).Thanks in ad...

Hi,I have two 2620 routers used for a dedicated T1 for a branch office. I am suspecting a router malfunction causing the the link to go up and down. I checked the serial interfaces and saw 5 carrier transitions and 9 interface resets, but I am not ...

We are running a T1 line connection between our office and co-location with CSU/DSU 1720 Cisco routers at both ends.I received a new router and despite the fact that I copied the existing configuration from one production router using a TFTP server a...

I have a 6509 with sup2/pfc2. Is there any advantage (like performance, etc) to run CatOS over IOS or vice verse?Any comments appreciated.

Hello,Before the network was made of leased lines with PPP and chap authentication. R1----R2Now the network is built on a Frame relay network. R1--(FR)--R2It seems the network isn't so secure as before...How can I secure the network to get authentica...

I have a 3600 Series Router running 12.1 IOS. When monitoring the port it is connected to on a Catalyst 2900 XL, I notice a loopback message being sent on regular intervals. Why is it doing this, when I don't have a loopback interface configured ...

This is my first post so I hope I give you all enough information .....I have a client that has a 1603 router connected via ISDN with NAT translating to 2 internal servers. Everything works perfectly. They have installed a faster link and were given ...

Is it okay to bind 2 T1's from different providers.....I dont think it should be a problem...but Im new at this!!Thanks!!

HelloI am having issues with a 2611XM router I am trying to use. I have 8 serial ports numbered S1/0 to S1/7. I have several sub interfaces off of S1/0. My problem is, I cannot get S1/0 to come up. I get a status "up" protocol "down". And all my...