Routing

Hi, There are two security license for ISR G2 router: Security E-Delivery PAK & SEC No Payload Encryption E PAK. Normally will use Security E-Delivery PAK, am I right? What kind of situation will use SEC No Payload Encryption E PAK? Thank you. BR, ...

hey everyone. once again i have a new problem , that our switches have show log that mac flap on multiple interfaces. in switches spanning-tree in enable.     : spanning-tree mode rapid-pvstspanning-tree portfast default we already found that there i...

Hi, Have anyone here tried or have any idea how to run one AS on top of another AS? I would like to use my current backbone network (AS1)and run another AS (AS2) on the same infra. example:physical========RA--R1--R2---RBlogical-------R1--[AS1]--R2RA-...

Strange issue here. Cisco and the vendor are unable to help so far...Most of our layer 3 lives on core switches. However, we have  a couple sites off our WAN connected via  Cisco routers. In these offices, we can not get paging to work.I  setup a lab...

We have a single router (4331) that connects to our ISP. We do PAT (dynamic nat) to give users internet access. Now typically we'd have an OUTSIDE-IN ACL that blocks traffic from the internet. My question is, if we're using PAT and have no static 1-t...

If I execute the command "show ip bgp neighbor x.x.x.x received-routes" and the router is learning a particular route via another routing protocol with a lower cost as well, will that route be omitted from the output of that command?   For example, I...

Hi all, I have a 2951 configured with subinterfaces (for the inside networks) and NAT.Outside NAT is working just fine but inside NAT is not working and I have no clue...configs:interface GigabitEthernet0/0 ip address xxx.xxx.xxx.xxx 255.255.255.252 ...

Hello, we currently have our internet router connected to 1 ISP.  We would like to purchase a second router and have it connect to a different ISP.   The 2 ISPs will not talk iBGP, but our routers will.  The attached diagram shows what the topology w...

Hello, I am looking for some help solving a problem with a Cisco 1921 and the Verizon 4G EHWIC card.  I have configured the router and it is working and was looking to add the 4G as a backup to the primary connection G0/0.  The cell interface is at C...

Hi, i have a 3640 router and was running with Nm-1E2W Network Module i have replaced it with NM-2FE2W-V2, this module is not getting detected by the router. below given is Version & Diag Information. Please advice.IOS (tm) 3600 Software (C3640-IO3S56...