Other Network Architecture Subjects

Hi all,I have create 4 vlans from 1 to 4 (on a catalyst 3550),and 4 svi to enable routing. actually all vlan could communicate with each other, but i want to restrict communication only between 1-2,1-3,1-4 but not between others.How could i do that ?...

could anyone guide me how to connect and transfer data through PSTN line to the router with modems as my ISDN as well as LeasedLines are not working and the matter is utmost urgent .kindly prompt reply.

I have multiple Vlans within the same switch.I want them to comunicate with each other. Also, I want that Vlan 100 comunicate with Vlan200 but Vlan 200 don't access Vlan 100.Anyone can help me configuring it if: 1)I have a router2)I don't have a rout...

Hello,Can we make giga channel across two cards in two different slots of 6509 Switch?ThanksVijay

Hello,Can we make giga channel across two cards in two different slots of 6509 Switch?ThanksVijay

Hi NetPro.Can i map the ip address and mac address in cisco router ? i knew that it work in Cataylst Switch, but does it work in Router as well ?Thank you in advance,Regards,Jack

Hello All:I need put a firewall up behind a 2621 router on a line which will be running several web and mail servers. Just starting out with Cisco routers so I just want to make sure the config is good.Thanks in AdvanceThe Firewall Network Config:LAN...

Hello,I've two WS-C2950G-48-EI in the stack and few other cat2950 in star topology uplinked by fastethernet. What I just see now is constantly the gigabitethernet is going up&down. I found on cisco:http://www.cisco.com/en/US/products/hw/modules/ps872...

We are running BGP with two Service Providers, The requirement is to use SP1 as primary and SP2 as backup. Want to achieve this by using conditional advertisement.Current config is:router bgp xxxxx no synchronization bgp log-neighbor-changes network ...

We have some conflicting information from CCO and TAC with regard to support for a single ATM IMA group spanning two AIM modules in the 2691 and 37xx routers. Since the EOS of the 8 and 4 port netmods, the only avenue for ATM IMA is the AIM modules ...

hi. thanks for reading~!We have a 7513Router(RSP-8, 1*GEIP, 2*FEIP, IOS:12.2.15.T5).This IOS-version not support IPv6 multicast.According to cisco Document, IOS-minium version is 12.0(26)S, 12.2(18)S, 12.3(4)TBut, these version is not support 7500Rou...

I have 2 routers, a 7206 with a PA-2CE1 75 E1 card and a 3745 with a serial port and Metrodata X21/G703 convertor.Unfortunately I can not get the 2 router ti talk to see each other. The 7206 sees the line as down, protocal down, unless the convertor ...

We have a switch that is behaving wierdly. All are manually setfor 100Mb/s Full-Duplex.proxy-switch#show int fa0/3FastEthernet0/3 is up, line protocol is up Hardware is Fast Ethernet, address is 0009.433c.3003 (bia 0009.433c.3003) Description: News...

Currently we have a 8 port ATM Over SONET OC-3c/STM-1 linecard. We want to be able to support Per packet load balancing but this card has engine 2 which will not. Is there anything similar to this card that will support per packet load balancing?

i have configured cisco 1751 router with the config below.but iam unable to connect to the internet.even i have checked with the isp abt the line and it is working fine and i also checked with zyxcel router,iam getting connected to isp.i want to know...