Switching

Attached are configurations for two routers.The goal is we have to send DATA from a PC RS232 port to S0/0/1 of Router_A to Router_B's S0/0/1 to another PC-RS232The link between of the 2 router is working fine, but Router_A cannot send data to Router_...

Hi,We have a PC that when plugged into the network sends out so much DHCP traffic the network grinds to a hault.There were a few trjans on it, we cleaned it but it still casues the problem when plugged in. We have also scanned it for malware.Has anyo...

I am doing some failover testing on all our 4507R's in the field.  I have 2 separate issues that have happened.  Both units have SUP IV's in them and we are running in SSO mode.   Line cards are WS-X4448-GB-SFP and WS-X4424-GB-RJ45 First issue:  When...

Two old routers (a 2500 and a 1600) , back to back with a serial cable (Dte Dce, & clocking all properly set)  with two Dlink VPN routers on either side of the routers and PC’s hung off those,1) RIP did nothing ; should it have with just 2 routers...

When transferring a 2GB file between two Windows computers across cable connections, connected by an IPSec tunnel, I see a ton of duplicate ACK's show up from the source IP to the destination IP.There are no retransmissions, or errors coming up (but ...

Hi,I want to access the server on VLAN 2 from the internet via VPN. Also i want to make sure VLAN 1 cannot be accessed from the internet.I have implemented inter-vlan routing between VLAN 1 and 2. All suggestions welcome.Is it possible for users on V...

Hi,I have confusion about STP Root port election on non root bridge switch . I have following topolgy where my switch 3 is act as ROOT bridge , now my problem is that Switch 1 is going to switch 3 thru switch 2 not from switch 4 where is link cost is...

Hi,how to see flapping route(node)..i guess show interface command will workout by seeing counters value under this.please explain me with refrence to lan and wan.

how to see configured secondaryip address in interface?

Have a solution for a customer where we experience a high amount of drops on a gigabit interface facing a WAN router (from a service provider).The interface on the WAN router is also gigabit Ethernet.The solution is redundant with 2 x 6500 on the LAN...

Problem in Network switches 2950 series, which was connected to SRW 2024 Gigabit switches, a problem was in 2920 10/100 switches , a uplink port's power off, when switch was restarted then, uplink port working normally, but suddenly after half / an h...