Routing

"The principal function of a router is routing. Routing occurs at the network layer, Layer 3, but if a WAN operates at Layers 1 and 2, is a router a LAN device or a WAN device? The answer is both, as is so often the case in the field of networking(....

Hi Dears.we have a problem. we have a router which performs NAT, and behind router we have ASA. in inside we have a server(webmail server). we need requests which come to our outside interface with port number 9000 convert to server ip with port numb...

Hi,I'm configuring an METRO WAN and get som strange result from my policy-map's. I have different VLAN's on the Metro links that I want to give certain characteristics, but for some reason the matching of VLAN seams to not work as I expected.The rout...

Hi, I have a cisco router 1841 in my client location. we have connected with two ISP in one router.one is bsnl and other is TATA. In the router we configured Eigrp protocol. Config: int fa0/0 ip address 10.10.20.100 255.255.254.0 Des ###LOCAL LAN####...

Was the AP Isolation feature removed from the current line of  E-series wireless routers?  Is there a different or new configuration option that provides the same functionality?  We recently got an E1200 and could not find the setting to enable/disab...

Hello All,Not my strong area and in need of a little advice.  I have 2 sites with DSL internet services.  This is what I haveSITE1-Cisco881 Vlan4 (192.168.10.1)------ (192.168.10.254) NAT(BT Homehub) static IP--------¦internet¦----------static IP/ATM...

Hi,I've tested the following NAT configurationhostname R4!no ip cef!interface Loopback104 ip address 172.16.104.1 255.255.255.0!interface Serial0/0.234 point-to-point ip address 172.16.234.4 255.255.255.0 ip nat inside ip virtual-reassembly no ip rou...

Hi All,     I have been over on CLN and someone suggested i posted here, which TBH i thought was the same site but obviously not! there is another cool site to post and respond to problems!! I have a problem with one of our customers where they have ...

Hi folks,I have a WLC 3750 with 41 APs. We use Web Authentication with the combination of a layer 2 security feature (WPA/WPA2 with PSK). With this combination some clients have the problem that they get deauthenticated and have to authenticate again...

Hi everyone!I´m trying to configure SR520 Cisco router as PPPoE server. The point is, when configuration is done and PPPoE client is directly connected to the interface, SR520 doesn´t respond to incoming PADI. PADI is not shown in PPPoE debugs (debug...

Hi all, I'm trying to configure an 887VA for a pppoe ADSL2+ connection with no luck.I know the ISP requires pppoe (LLC), and the pvc is 8/35.The CD light is on, and the line is up, but the 887 just won't connect....Any help would be very much appreci...

Hi Guys,Just testing an ASR1000 ->2960 portchan w/ test subint on asr  and vlan int on 2960 in same vlan, and Im unable to pass any packets with my "usual" config (7200->2960)...portchan comes up, and I see 2960 mac, but cannot ping.  If I change the...