I was SSH'd into a router & changed the the modulos size using the "crypto key generate rsa" command. After that when I try SSH with Putty I get a "connection refused" error & cant log in anymore. Any ideas?
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Hello all, i am little bit confused regarding route-maps and the permit/deny statement on them. more specific, i have created the below ip prefix-list BACKUP_TRAFFIC seq 1 permit 10.254.252.0/24 ip prefix-list BACKUP_TRAFFIC seq 2 deny 192.168....
Hi, I'm currently trying to make the following scenario work: Traffic comes from Tunnel1 interface configured with ip nat outside and VRF. The source IP address is NATted to Gi1 interface set with ip nat inside without VRF. Everything works when insi...
Replaced old EOS/EOL router with a 4431 with a 100Mbps synchronous connection. Internet speeds were about 5mbps. I fixed download speeds by replacing duplex/speed commands with negotiate auto on both ends. However the issue remains with upload spe...
Hi , how can be configured high availability on a couple of cisco 4351 or 4451 serie router ? someone can help me, send a config link
hi all, i had set two users in cisco 3850 and 3650 -i switch. one is admin with privilege 15 and another is user with privilege 7.but when we login from admin user it is not asking for enable password, it directly goes to privilege exc mode. i have ...
Through my studies on CCNP ROUTE, while sniffing EIGRP packets, I noticed that packets have IP TTL of 2. I also verified this for RIP. OSPF doesn't have this property since it's link state.Why does the EIGRP and RIP have IP TTL of 2?I already asked o...
Hi, I am getting confused on what happens in these 4 instances:1) Recieving a BPDU on a globally enabled Portfast port 2) Recieiving a BPDU when Portfast was enabled per port basis 3) Recieving a BPDU on a globally enabled Portfast port with BPDU G...
Resolved! IPSec over GRE vs GRE over IPSec
Dear All, May I know pros and cons for two type of VPN for data connectivity. if we want to carry video streaming over VPN , which one is the best solution without pixelated ?
Hi there, I was hoping somebody may be able to help. My work currently use 2901 routers, and within these use the 'MENU' command in order to run files into the CLI to select which ports we need to use. We have just migrated to 4311 routers and...
Dear all, Please kindly see and help me. we are running 6 x VPN Tunnel links (point to point ).This configuration is using for HUB router (HP Router). I would like to know this config is IPSec or GRE over IPSec ? can get for performance issue if we ...
The 819, specifically the C819HG-LTE-MNA-K9, supports dual SIM failover between two carriers. This model supports both ATT & Verizon. However, the cellular modem firmware available on Cisco's support site for the MC7354 comes in different flavors f...
Resolved! IOS upgrade on cisco 2951
Hi, Do we need to generate rsa keys after performing IOS upgrade on cisco 2951 router via cisco prime infrastructure.
Just wondering why ospf DB packet have o bit set as 1 in option field, in non MPLS-TE network. As per RFC 5250 A neighbor is opaque-capable if and only if it sets the O-bit in the Options field of its Database Description packets; the O-bit SH...
Hello all!Our company has MPLS link with remote branches, now we are introducing DMVPN with PfR routing using MPLS and Internet WAN links. At the moment, we have SLA with MPLS provider to prioritize some apps e.g. SAP etc. However, with the introduct...
