Routing

Our company owns a Cisco 2821 router. Doing an nmap scan on the router shows 2 open ports, TCP port 5060 and 1720. Can I stop the services listening on those ports? Any advice is appreciated.Thank you.

Hi,I'm trying to set up an 837. I have it working and can browse out to the internet. I'm having problems with incoming SMTP connections (fail;) and access from a specific site. The config is attached.Not only does the smtp incoming fail but when ...

Hi Team I have a PRI which is connected by multiple dial-in users.After a particular user A dial in,other users couldn't get connected *Jun 13 11:48:12.487: Se3/0:12 LCP: I TERMREQ [Open] id 7 len 16 (0x174575A7003CCD7400000000)*Jun 13 11:48:12.487: ...

its av basic question.....what does gateway of last resort means........and in most of cases its not set....secondly......what is discontigoues networks....thanks in advance

Hello All:We currently have 2 - 3mb T1 bundles each running through their own identical firewall. 1 bundle is a RF wireless circuit and the other a standard frame relay bundle. I'm seeing the frame relay bundle simply bury the RF line as far as perfo...

We have a carrier in Canada that will only provide us with an M13 DS3. We want this to be a clear channel point to point circuit. Is M13 framing supported on clear channel?

We have a router with a 256kb circuit going into an mpls cloud and are using frame-relay traffic shaping. Our current settings are cir=250000 and bc=2500. We are not running voip traffic over the circuit or doing any fragmenting. Is a bc of 2500 (Tc=...

Have an E1 in South America, carrier is presenting Coax pair - which is a slight problem in itself, but am having a hard time verifying if the E1 is 75 Ohms or 120 Ohms. Cisco used to make the cable CAB-E1-RJ45TWIN (75Ohm) or CAB-E1-TWINAX-3M (120Ohm...

Can i have MWAM redundacy with HSRP or GLBP on two differents Cisco 7600 with one MWAM Card installed on each equipment? I made some test one the same card in different processor and work fine, but now i would like know if possible the MWAM Processo...

IP tunnel that traverse an IPsec tunnel.I guess that might result in bogus packets?Sep 24 13:19:12.464 UTC: %CRYPTO-4-RECVD_PKT_INV_SPI: decaps: rec'd IPSEC packet has invalid spi for destaddr=x.x.x.2, prot=50, spi=0x7117FCD1(1897397457), srcaddr=x.x...

I have 2 ISPs terminating on 2 different routers with 2 links each (redundant). I have configured 2 HSRP groups for both ISPs. I want my PIX OS7 to be configured in a way that allow me to policy route traffic. I need to classify traffic in 2 groups, ...

Hi allWhat is the maximum switch fabric capacity that is available in 7206vxr model router.How much maximum should be there for 7206vxr router with 2 no of stm1/oc3 modules,2 no of channelized e1/pri modules and 2 spare slots.