Switching

Dear sir, I have point to pint connectivity and i have broadband on both sides having static ips on both sides now i want to implement ipsec how can i configure routers. i have cisco 2821 routers on both sides . plz give me some examples how can i im...

Hi Guys,i was going through multicast chapter and i am unable to understand few terms.1.Multicast address are falt..can anyone explain please.2.Multicasr Address and multicast group.3.Multicast router forward traffic away from source.4.Operation of m...

Hi,The backplane of WS-X6148A-GE-TX have 8:1 oversubscribe, but it havn't the 1Gbps EtherChannel limitation. Can I create EtherChannel cross multiple WS-X6148A-GE-TX modules? ( for example : Module 7-9 are WS-X6148A-GE-TX, bundle Gi7/1-4 & Gi8/1-2 & ...

Are there any commands to show the last time STP recalculated? I'm pretty certain that you can't see this in the logs. Correct?/rls

Hello all,I have a VTP transparent 4507 R with a trunk to the core switch . All Vlans are allowed on the trunk.Also, locally I have created vlan 9 which is a data vlan.Once , I configure the Gi port to use the data vlan and the voice vlan which is cr...

I have 5 Vlans in my L3 Switch i want to all 4 vlans traffic to route via my ISA Proxy sever (Proxy Server Connected to 1st ISP) and . I want to route the 5th vlan traffic via my ASA firewall (ASA is connected to 2nd ISP )

When we ping to the self ip on Router's serial interface, why it traverses from the whole path? Why not ping interface directly? Please clarify this.Thanks

1. In a enterprise, multiple area ospf network environment, why do I see that there are multiple DR and BDR. a. Example:172.16.97.2 1 FULL/BDR 00:00:34 172.16.255.30 GigabitEthernet6/8172.16.97.1 1 FULL/BDR 00:00...

Pardon my multicast ignorance, but:I'm doing a CBT where they mention many/few-to-one multicasts. Why would you need such a thing? I would think at that point, unicasts would accomplish the same purpose with no difference in bandwidth. If I have one ...

What does Supervisor Engines do ?

I have a cisco 6506-E that is connected to other switches. But only starting yesterday that I started getting some eigrp errors between this switch and two others. See below:4/9/2008 9:50 PM : DUAL-5-NBRCHANGE 106: 000116: Apr 9 21:50:24.920 EST: %...

Hi all,I have multiple MPLS poin to point links and want to make a bundle of these multiple links. I've been searching google a lot about it but could not find any satisfactory document on it. Kindly provide me the link/config-template if anyone of y...

I have one core switch 6509E and one SUP 720-3B. The IOS Ver is 122-18.SXF12. I would like to install second SUP 720-3B for secondary in the same switch. Can anyone help me which feature (SSO, PRP, PRP+ or NSF with SSO)would be the best solution f...

Hi,Regarding multicast:- if i have a hub and spoke scenario in which hub is the RP & Mapping agent, and when I ping from one spoke router to another spoke router , I got one reply and then timeout . I tried to figure out by debugs and what I understa...

Good afternoon,I don't know if this is the right place to ask this question, but I've been searching the net for about three hours now.Could anyone recommend a router/modules with 8-port Fast Ethernet and 5-port Fibre. Thank's alot.