Routing

SR520w ports stops working after a while

Hello,I have setup a Cisco SR520W and everything appears to be working. After a few hours, it looks like the WAN port stops forwarding traffic to the Internet gateway IP of the device.If I unplug and then plug in the network cable connecting the WAN ...

SR520w ports stops working after a few hours

Hello,I have setup a Cisco SR520W and everything appears to be working. After a few hours, it looks like the WAN port stops forwarding traffic to the Internet gateway IP of the device.If I unplug and then plug in the network cable connecting the WAN ...

how an ospf router knows , whether the hello packet is packet for establishing adjacency or hello to maintain the adjacency

hi two routers are connected and ospf is enabled , after creating adjacency , how router is knowing that hello packet is a just a hello packet to keep the adjacency up . RegardsBinoj

2 smtp server using 2 different public address

Hello,I have two IPs on my Wan interface : x.x.x.89 and y.y.y.98. I have 2 SMTP server in my LAN, one on 192.168.2.130, the other on 192.168.2.136. I want the .130 SMTP server to use .89 and .136 to use .98.Here is what I think is relevant in my conf...

Resolved! SDM not working in Cisco R1841

Dear FriendI am have unabled the cisco SDM on my pc, and able to get the http for my router 1841:I have done below configuraiton in my R18411.Generate Encryption key for (used in ssh and https) conf t ip domain-name lab.com ! ! 2.Turn on the Https co...

Resolved! R1841 does not shows static routes configuration

HiI have the cisco 1841, where I am trying to put the static routes on it,it does execute the route commnad but does not show the static routecan you please help on this, what can be the problem?Below is the out comelab_router1(config)#ip route 192.1...

Need Some WAN Configuration HELP

I've recently been put in charge of upgrading a network that I had no part in configuring and there isn't a single piece of documentation regarding anything at all. My trouble is now that I need to update the wireless I have no idea what device is br...

OSPF Session flapping

Hi Expertsi have ospf session flapping between 2 routers . i have checked the physical connectivity while it works fine,where should i investigate?why that happendjamil

Redistribution of BGP into IGP ( RIP )

Hi Experts ,I would like to explain the set-up before putting the doubt across .....I have two routers lets say .... R1 & R2 R1 is in AS 1 ( Autonomous system no.1 ) which is configured with RIPv1 & BGP R1 ---- interface details --- ether 0/0 --- la...

Resolved! Problem with memory Cisco 2811.

Hi all.I have 200 router Cisco 2811. In the work they are 2 yearsAnd i have problem with memory on 20 routers.At times during boot:SDRAM ECC Error,err addr - 0x7B07402F, err data_l 0x00000000,err data_h 0x88000000,rcv ecc - 0x00000000, calc ecc 0xC00...

MPLS from provider - router managed by us - questions

Hi allI have seen at my new company that the MPLS is provided by BT, However it seems that my predecessor configured the routers and we manage them.On on the routers I can see BGP and OSPF configured, with also tunnel interfaces that connect some of ...

Cisco ONS 15454

Hi,I have two Cisco ONS 15454 , CTC Version: 8.5 & i have to configure the setup for DWDM testing .Can anyone let me know following:-1. How to connect two Cisco ONS 15454?2. Steps to configure the Cisco ONS 15454 for DWDM?3. How to connect/configure ...

nbar questions

I enabled nbar protocol-discovery and set up a custom protocol for RDP. When I run a sh ip nbar protocol-discovery, it shows both input & output data for RDP. The thing I find strange is for input it has listed, Packet count: 8000, Byte count: 1479...

migrating a lot of users, arp consideration.

Hello,We have alot of users connected to two routers, we are planning to migrate them to newer Router. All users using static ip address. The problem is that, after we migrate all users from one router to other, the user devices (cisco routers, etc) ...

Problem with OSPF External Routes - Packet Tracer

Hello,i created a network in Packet Tracer, so that the various OSPF-Area Types can be used and tested.There is also a NSSA-Area (which also could be converted into a usual area) with an ASBR (BGP).When i look at the routing of a router not in the sa...