Other Network Architecture Subjects

Anybodies know how much the ppp keepalives packets siize (overhead) ? I need this value to find tune the ISDN dial backup...My ISDN always takes more than 1 minutes to kick in the ISDN....when the remote LO is having line problem (Note: during the li...

Our company uses Qwest as our VPN WAN provider. We plan to add a second T1 line to qwest at one of our locations. The question is what is the best way to do that? Qwest suggested using a Tasman router to bond the 2 lines but we'd like to stay Cis...

Hi All,I setup a dial-peer for VoIP and I want to send 9987,9887 and 9787 to ip address x.x.x.x. So I issue the following command"destination-pattern 9[9-7]87but the router prompt me error for the wrong e.164 number format. How can I correct this? An...

(Accidentally posted this to the VPN Network Management forum earlier today.)I'm in the process of deploying an SNMP infrastructure for our network using OpenNMS, and am wondering if I should use either traps or thresholds (or both?) to detect Cisco ...

what is the difference between the root bridge and root switch in STP?

Hi,Is it possibe to assign precedence/dscp to the SNMP and routing (OSPF) packet which is generated by its own router?Thanks,Cliff.

I have several Access Server 5300 units. When I do a Show Interface Asyn1 or (any Asyn Interface) it says Up/UP Spoofing, but only one Access Server 5300 named asprin says DOWN/DOWN.See asprin's output and another one called neasras' output below.The...

Up to now I'm still confusing function of default-network command :ip default-network <network>What is the different between default route and default-network ? Thank a lot.

hi can any body send Inter service provider configuration for Study purposei really thanks ful that person

I have several 2620's that I need to upgrade to 32mb of Flash. With the Flash upgrade, comes a ROM chip. The problem occurs when I replace an older ROM chip with the newer chip included with the flash. When we boot the router, we see absolutely no...

Does anyone know of a way to assure that IcServer does not start? I would not be adverse to moving a file or two if this would help. I browsed the documentation and other than manually shutting it down could find no reference.Thankspat

Hi,I have a serial interface configured like this:interface Serial3/1 ip address 192.168.112.100 255.255.255.0 encapsulation frame-relay frame-relay interface-dlci 143 frame-relay interface-dlci 146 frame-relay interface-dlci 151and I´d like to set i...

Hi all,Our cisco6509 has 20 vlan interfaces with internal IP addresses set. I place an "ip route 0/0 0/0 172.16.1.1" to forwad these packets to an NAT server(172.16.1.1). Now I need to add a vlan interface with IP 100.1.1.1(formal IP). Of course, I w...

Hi,I hope someone can point me in a direction how to configure 1721 for Adsl(which I use now ) but the same router to have dual login scripts,so that I could set a session for VPN into intrenet connection and other session for internet connection .Th...