Other Network Architecture Subjects

On CCO http://www.cisco.com/warp/customer/794/pppoe_arch.htmlUnder Disadvantages:* Because PPPoE implementation uses RFC1483 bridging, it is susceptible to broadcast storms and possible denial-of-service attacks.In what way does PPPoE use RFC1483 bri...

I have a remote network which is having difficulty picking up all the routes advertised from a backbone network using ospf.My intention is to put a few static routes pointing to the backbone or to set a default/last resort gateway on my remote networ...

Hello,I have to translate datagram received on an asynchronous link to TCP datagram. I am already using Motorola router to do that but I would prefer to use a Cisco router now. Thank you for your help.Async port on a worksation ( 9600,8,N,1) -- Cisc...

We are noticng a strange problem with "tcp intercept". The outgoing mail smtp port 25 does not work , remaning applications work fine.ip tcp intercept list 101access-list 101 permit tcp 202.x.x.x anyother parameters are default.The router configurati...

Hello everyone,I'm working on a project using a 3640 with 4 port BRI Card and 12 bank digital Modem Card. I want a P.C. ( NT 4 ) to connect via dialup networking using PPP to the 3640 thus setting up IP connectivity but without the need for authenti...

I am looking for a link(s) for Cisco "best practices" in different areas. This would be used in providing a link, or pdf for clients when presenting documentation.I don't get much through searches, and was wondering if any of you have a good url for ...

Hii guys..some doubt.well we have a command like 1) policy-map voip-policy class voip-rtp priority 1280 class voip-control bandwidth 64now whats the difference between using bandwidth and priority command..i know using priority means i m using...

Please if anyone could help me on the following strange problem that I encountered! Router 2621 fails to ping its serial0/0 but no problem to ping serial0/1. Did I miss any configuration here? Thanks. (1) SETTINGS ON Router B (branch)Router 2621 wi...

Hello,I am currently running a CISCO 3640 as an OSPF router on my backbone. Since Monday after one of my Fe interface went down, some routes are not announced anymore on the backbone. It's working for a while then the routes are disappering. Is there...

I have 6500 with redundant sup2/msfci have configured vlan in msfcinterface Vlan204 ip address 129.1.204.34 255.255.255.0 alt ip address 129.1.204.35 255.255.255.0 no ip redirects no ip route-cache no ip mroute-cache standby ip 129.1.204.31 standby t...

I have a small switched network. 6509 at core, dual MSFC for routing. GBIC fibre runs to 3548 edge switches. 17 VLANS created. Single VTP server at core, all others clients. NTP from MSFC to all devices. SNMP traps to NMS. Now, with no devices connec...

I want to connect to them by frame-relay or ddn,dial-in line as backup line .Bei jing as central. Shang Hai and Tian jing as branch office.If I use frame-relay ,I use point-to-multipoint to connect them .I want to let them to go to internet by Bei Ji...

I cannot get multilink callback to work to Windows Clients (2000 & XP, have not tried others). The clients can call in with 2 B Channels to a PRI or BRI but callback will not bring up a 2nd channel. I do not see anyplace where the client can be confi...

Hello,I can't figure out this on my own, PLEASE HELP, Thank Youthis is what i have now: ISP(1)->2611->PIX->LAN, RIP protocol.here is sample config of 2611:interface FastEthernet0/0 ip address 1.1.1.65 255.255.255.224 <----ISP(1) ip broadcast-addres...