Switching

there broadcast storm in our network.we have hundreds of switches in my network now i dont know in which switch spanning tree is getting failure.so in this kind of situation how can i stop broadcast storm?

is there any option we can avoid the loop in bgp without using route reflector?

I'm stumped. Host A, on VLAN A, can ping anything on VLAN A, persistently, no problems Host B, on VLAN A, can do the same Host A, starts to persistently ping any of (three tested so far) hosts on VLAN B, and it is successful for anywhere from 50 to...

I have routers as below R1-R2(CE1)--R3(PE1)--R5(CE2) R1 is using only OSPF, r2 is using ospf/BGP, R5 is using OSPF/BGP in R2 OSPF process, there is a command: OSPF default information originate in R5,BGP process,  there is a command: BGP default inf...

hello folks i need final answer . i need to do QOS and make priority for some traffic over other traffic for internet download . i have cisco ASR and i had ports like below : ----lan----ASR---------ISP--------------internet i have no control to I...

with this sample network design that include the 2 x 2960 switches as access and 1 x 3850  for intervlan with SVI routing between more than 40 VLANs , we have issue with Server connected to left 2960 Switch with PC connected to right Switch both thes...

May I know the difference between : mpls ldp  router-id lo0 force and mpls ldp  router-id lo0? thanks

I'm using ebgp to connect R1 and r2, in R1< I saw four routes are advertised  to R2, in R2, I run sh ip bgp al summary, I see states column :4 but when I use sh ip bgp nei R1's ip received-routes, it says:  No such neighbor or address family, why?

This is not a question, but an answer to an issue we found during an upgrade of our 7k's from 6.1(4)a to 7.2(0)D1(1). I wanted there to be a record of it since it's a pretty obscure issue, and I couldn't find a resolution for about a week. During whi...

I have any problem with Cisco ASR1001-X.  Problem comes when device start's and after up interfaces. If create 3 subinterfaces with 8094 QinQ vlan's - i have no problems. After I create 4th subinterface - I have problems messages, IPoE doesnt works. ...

I usually use show access-list to see the number of mapping entries for access-list. but for prefix-list and route-map, how to see the number of matching entries? thanks

Hello, As part of an upgrade it was needed to change the priorities in OSPF because we were not happy on the locations of the DR/BDR I   So before the upgrade the situation was as follows: Core 1 : DR Router 2: BDR After the upgrade i wanted the...

I have 2950 switch L2. I made a trunk port on it on F0/1 interface as its going towards router on which i deployed 3 sub interfaces and 3 vlans on it (0.11,0.99,0.192). My questions are: 1) Do i have to assign those vlans also on switch's trunk port ...