HI I what to know how loops are formed in layer 2 switch ?I have attached a example explain with these example when frame sending from pc1 to pc0 or explain with a different example ?
To anyone,here is the situationwere moving to another office and my Cisco Admin left. We are also switching to another ISP and getting a Statsitc IP from them. The router is assigned an IP address of 192.168.2.1 to access it.Can someone tell if I tur...
Hi, We have two data centers. Both data center have different applications which need internet access. We want to keep both internet circuit active at the same time. This is going to be a Active- Active situation without load balancing.. First Data ...
Hi, Source NAT is being done in a internal routerfor traffc from LAN.How to advertise that pool via OSPF such that all routers in the AS can send traffic to that subnet. Presently a static route has been configured in an ASBR pointing to that Sourc...
We have p2p link between SanDeago and Mexico, configured with BGP. in recent times the link is plapping continuously, plz check below bgp config on both routers. NatPen_MX_3825#sh run | be bgprouter bgp 65001 no synchronization bgp log-neighbor-chang...
Hi,I have 2 x ASR1001 routers in our network and connected the 1 x port of each ASR to Router and the protocol between them is OSPF.The OSPF neighborship is established and up but the issue is that we are receiving the below errors on the remote end ...
I have bought this device to have the load balancing for my 2 connections. It is from same ISP the other ADSL 2+ Modem Router is Prolink H6300 and the Other is Aztech. The Aztech ADLS 2+Modem Router shows the router address at Rv042 Web Interface b...
Hi all,I have some problems with my Cisco 1921 router when trying to forward UDP ports. There are 2 network interfaces: - gi0/0 [connected to the internet] - gi0/1 [connected to the private network]The router is suposed to do NAT and to forward TCP ...
Hello,I'm using a Cisco 1841 over DSL for internet access and a personal web server. I have searched for a simple DNS split configuration onet the Internet, but none of the examples I have found had worked on my router.Does anyone have a simple examp...
Our EBGP routers are learning the whole internet routing table, and passing it onto its IBGP peers, I would like how can i restrict my IBGP routers from learning the whole routing table.I have come up with two ways-i) Advertising default routeii) Su...
Hi,I have a bunch of static routes I am RD'ing into OSPF and marking with a tag of 123I want to then RD these routes ( only routes marked with tag 123) into EIGRP.Can I achieve this with a route-map and a command in my EIGRP statement? I'll start wit...
We have a 3845 router that has been running fine for quite some time. Now the router reboots almost every hour with the following message (sh ver):System returned to ROM by error - a Software forced crash, PC 0x60AED108 at 05:0Any thoughts as to why...
Am running ASR1001 router as LNS and suddnly i see the following error on the monitor : %COMMON_FIB-4-DISABLING: IPv4 CEF is being disabled due to a fatal errorany idea????
Hi All, I try to created ten class-map and put that into one policy-map, and then put the policy-map to interface.It appear message "QOS: Class level queuing resource exhausted"How can i fix this issue?What is maximum policy-class per policy-map supp...
When I change the config on our 3525 router and then do a write mem command I get the following.[OK]private-config file open failed (File table overflow)Any one seen this?Mike
