Hello.I have the question. I need to buy cisco 4451x with digital t1/e1 ports. I check 4451x can have Channelized Data T1/E1 or Clear-channel Data T1/E1. Could someone explain what is the difference?
Hi all,a question about the entries highlighted in show ip interface <>R1#sh ip int s0/0Serial0/0 is up, line protocol is up Internet address is 10.0.0.1/30 Broadcast address is 255.255.255.255 Address determined by non-volatile memory MTU is 150...
Hello All, I have just installed a second T-1 serial interface card on my 2801 router. I see the interface: interface Serial0/3/0 but I do not see a controller interface. Is there something I need to do to make sure that the interface is ready to b...
When a packet that is being routed moves from one router's serial interface to another router's serial interface, what MAC addresses are used for the source and destination?Thanks
We are setting up a server using two RED HAT LINUX nodes (Redhat-A and Redhat-B). Redundancy and cluster has been configured on these nodes. Both the nodes are connected to a redundant pair of 7606 routers (R-A and R-B). both R-A and R-B are connecte...
Hello,I setup both a physical lab and a virtual one using GNS3. I created a simple topology; 3 routers(rt1, rt2, and rt3). RT2 is the hub which has 2 WICs and each WIC is linked to the the other routers(rt1 and rt3). See attached diag. I configured O...
Hi, Let’s say I have a router running both OSPF and EIGRP on different interfaces. The router has received like 10 OSPF routes from its OSPF neighbor. I want to advertise a single summary of those 10 OSPF routes to my EIGRP neighbor. I don’t want to...
I had a /28 with Global Crossing, now Level 3, that I assigned to my end users. I have since upgraded to a new Level 3 circuit but was told I cannot use my existing /28. They want to issue me a new Level 3 /28. This will create undue work. Is there a...
Hello Guys,I have a problem in my cisco router 1721, performed the balancing IPSLA + track with the wan with the second one cisco router 1721, the problem occurs when I restart the router's settings to disappear IPSLA preventing the proper functionin...
I have to design a network with SIP provider and PBX system. All calls are routed via Windstream using the phone system gateway.Now we want to set call routing in such a way that internet calls to rest of the offices are routed via Cisco 2911 & ATT ...
What are the advantages/disadvantages router with L3 switch module vs. separate router/switch implementation? excluding costs, like WAN bandwidth limitations, CPU usage, etc....
Hello,I am having an issue when i do:ip nat inside source static 1.1.1.1 XX.XX.XX.54 (The xx's represent a secondary static public ip)To my understanding this should allow anything that comes in from the internet with the public ip ending on .54 on a...
Hello,i want to know if the routers model Cisco867VAE are supported in Cisco Network Assistant (CNA).The documentation is confused because for example in the case of switches Catalyst 2960X, in the datasheet not appears and in the realease note appea...
R1 is connected to R3 via a simple ethernet link in GNS3. R1Loopback 1.1.1.1 /32Ethernet 1/1 10.10.13.1 /24Priority Value is 1 R3Loopback 3.3.3.3 /32Ethernet 1/1 10.10.13.2 /24Priority Value is 1 sh ip ospf interface ethernet 1/1 on BOTH routers ...
Hi Experts,Need clarification on a quick point.Let's say I have the following policy-map.policy-map WAN class Voice priority percent 20 class Mission_Critical bandwidth remaining percent 20class class-defaultfair-queue I understand QoS come into pl...
