Routing

Dear Experts,I have facing very much problem of SMTP traffic , lots of unknown outside the network used my mail server SMTP port,heavy much mail send through my mail server ( used SMTP port) from outside network.I need it to block smtp port from outs...

Good day Cisco Guru'sI curently have a 2 port Multi-channel T1\PRI card in a 7206, I am using port zero with a T1 Card and I configured very minmally and it operates fine, Port 1 is connected to the sdame type of Card and I cannot get my port to come...

I have  a Cisco 2801 w/ WIC - T1 CSU/DSU. I want to upgrade to a 2xT1 Internet circuit and I need another T1 module. However, the WIC - T1 CSU/DSU is EOL and has been replaced by a HWIC-1DSU-T1 module. Does anyone know of any problems running Multi-L...

How do i find if the DSU value is set to default or not in the NM-1 E3 as i am getting the following error message "dsxpnm_gt96k_abort_rx_mpsc:Aborting Rx mpsc failed". I see there is a bug match for this error. But need to confirm it?

I have Cisco RVS4000 router. I notice that internet connection dropps frequently continously throughout the day. It has became worse after upgrading to the latest firmware (1.3.1.0) /IPS signature (1.4.1).It looks like it is dropping the connection e...

Hi,I have 2 x cisco routers (2600 and 3600), i am connecting Serial Interface of both routers to each other, encap is HDLC,but the interfaces are not coming UP, getting the error when "show ip int serial 1/0" on both routers.Please help to resolve th...

HiI have a problem with 7206VXR CPU:7206A#show processes cpu sorted 1minCPU utilization for five seconds: 30%/2%; one minute: 30%; five minutes: 31% PID Runtime(ms)     Invoked      uSecs   5Sec   1Min   5Min TTY Process 281     8444700   705667898  ...

Hi allI am currently setting up a router for my workplace, A cisco 1800 series, this is to connect to the internet for some clients, what access lists should I put on there from both the in and outside, and should I used cbac etc, an an example would...

Dear Experts,It is a design related query. Please find the attached Diagram.I have 2 firewall & 2 Routers & 2 Switches to be operated in redundancy.My customer is asking connected the cables and configure the setup as shown in the diagram marked with...

Hi ,We  are getting this below error message at a  7200 router with ios   “7200-jk9o3s-mz.124-25b.binError Messgae: Apr  9 09:51:02: %IP_VFR-4-FRAG_TABLE_OVERFLOW: GigabitEthernet0/0.129: the fragment table has reached its maximum threshold 16 We hav...