Routing

I need to get my 1841 ADSL router to be able to VPN to our Cisco Concentrator but the SDM says the image does not support this feature and I need to upgrade my IOS. I can't add any crypto's either too via the console.The version info is:router>sh ve...

Dear All,Can anyone help in understanding the impact of using public IP on loopback interface. Is it possible to use the same loopback IP for eBGP peering and OSPF router-id. What would be the impact on routing decisions? Shall we use OSPF neighbour ...

Hi, I have a cisco2611 running IOS Version 12.0(9)that doesn't support dot1.q. Can anyone advise me the correct IOS that support this featureRegards

We will be deploying a VOIP solution with VOIP Phones and the CISCO Call Manager and hence require switches to support POEI have selected the switch below, please let me know whether my selection is OKCisco Catalyst 3750E-48PD-F48 Ethernet 10/100/100...

I just don't get it.. I have the following:Cisco 3845 (revision 1.0) with 486400K/37888K bytes of memory.Processor board ID FTX1114A4GW2 Gigabit Ethernet interfaces128 terminal lines1 Virtual Private Network (VPN) ModuleDRAM configuration is 64 bits ...

Hello,Do you know why Cisco keeps invert subnet masks (example: 10.0.0.0 0.0.0.255).It would simpler and safer to use a number to define a mask (example: 255.0.0.0 - normal or 0.0.0.255 -invert => 8), no?REgardsPet****************http://www.openma...

I have iBGP peering using loopback address ( 172.16.1.1 router A and 172.16.1.2 router B) between two routersand ospf is configured in the internal segment and redistributed to ospf and manipulated the the metricsfor the best path selection . MED is...

Hi, I want to know about frame relay fragmentaion ( in detail ) , how it is different from normal fragmeataion ? What framerelay need to do here ??Thanks

Hi all,I have seen quite many times that in ISDN BRI lines isdn will not fire and will give unfound-B Channel error while debug. But at the same time voice call using an ISDN feature phone is working fine. Since Voice call is fine by vendor is not ag...

How can i boot the Catalyst 4948 with New IOS which i am loading into bootflash.I am setting the boot variable,but every time i reboot the switch it boots with the new IOS.To get it boot with new IOS , i need to delete the old IOS from bootflash.Boot...

We have the OSPF network shown in the drawing and I am trying to understand what OSPF should be doing.When the HQ internet is lost, the higher AD of the MPLS edge router flips the gateway to that side for DR internet. That works.The 525 and 515 PIX f...

Does any body know which protocols are used in the following cases??1) You ping an ip address (192.168.2.5/30)please specify protocols other than ICMP 2) You sent an IP packet to an ip address(192.168.3.25/24)