5
votes
1answer
448 views

Internet routing table breaks 512,000 routes [closed]

Looks like with all the mass IP grabs as well as subletting of space, things have finally hit the 512K mark. Anyone on the raw end of an upstream router that ran out of route space? How do most ...
1
vote
2answers
25 views

Can a cisco router execute a command itself?

I'm experiencing a problem with my Cisco router 1900 Series, the router sometimes stop routing packets, and when i log into it and show the running-config i see no ip routing executing ip routing ...
1
vote
1answer
70 views

One router and one modem+router. Can I pass a static IP range from one to the other?

I had been running a Huawei HG612 connected to a DD-WRT router for internet services using PPPoE as authentication. Due to an office move, I need to have a DG834 modem+router which will be used for ...
0
votes
1answer
132 views

access same subnet on different interfaces

I have a router with external (WAN connection) subnet 192.168.1.0/24 and also on same router a tunnel to a remote location which have the exact same subnet (192.168.1.0/24), and i need from my LAN to ...
0
votes
1answer
46 views

DHCP wont release allocated IPs [closed]

I have a TP-Link td28151 router and I am using DHCP. I need to connect 40 devices to my router by Ethernet. I have set the count of my clients to 100, and my subnet mask is 255.255.255.0. I have ...
0
votes
0answers
29 views

Command “ip rule show” not showing anything

I try to list all routing rules, and as far as I know this should be accomplished with the "ip rule show" command. In my case there is nothing returned (really nothing at all). Why? Could it have to ...
1
vote
0answers
19 views

Static routing doesn't route correctly

I have Router 1 and Router 2. For R1 I have 1.1.1.1 with /24 mask, for R2 I have 1.1.2.1 with /24 mask. R2 is connected to R1 interface with 1.1.1.2 address. Following image shows my topology ...
0
votes
2answers
143 views

What ISP needs to provide in order to route native IPv6 /56 range to several VLANs

I have a theoretical question. Network topology is like this: ISP <--- eth0 -> Router1 <- eth1 ----+--> VLAN1 '--> VLANx For the sake of ...
0
votes
0answers
299 views

Creating a multi-wan/isp failover router where wan IPs are dynamic on Debian

I'm having an incredibly hard time creating a basic router on Debian which has connections to two ISPs where the ip addresses are dynamic. I don't need bonding, I really just need some way to detect ...
0
votes
1answer
221 views

How to forward traffic to VPN device

I have set-up OpenWRT in a virtual machine which acts as a router. It has two network interfaces: br-lan: connected to vm internal network eth1: connected to internet through host via NAT I have ...
0
votes
1answer
194 views

HP MSR 30-10a Router - Route Traffic over Default Route

We have a brand new HP MSR 30-10a Router. We have a fairly simple routing situation - we have two IP blocks, one which has a route out. We need things on the first block to go through the router, and ...
0
votes
1answer
46 views

Reachability with OSPF on firewalled network

I'm trying to figure out how OSPF establishes routes when used on a network with firewalls. Say I have four routers (A, B, C, and D) and two firewalls (F1 and F2), arranged like so: (LocalA) A - F1 ...
0
votes
0answers
83 views

Can we use ICMP redirect message to pass routing information among interior routers in an autonomous system ?

Can we use ICMP redirect message to pass routing information among interior routers in an autonomous system ? why or why not? I know that routers send out ICMP redirect message if they find a better ...
-5
votes
2answers
503 views

Can a computer route IP trafic between two LAN if it is not configured as gateway? [closed]

Having two LAN, each one have its own gateway, DHCP and internet connexion LAN 1 - IPs: 192.168.0.0-255, Mask: 255.255.254.0, Gateway: 192.168.0.1 LAN 2 - IPs: 192.168.1.1-255, Mask: 255.255.254.0, ...
0
votes
1answer
90 views

HP MSR20 Router VPN Questions

I have limited experience with routers, I was wondering if some offer some insight. I am considering deploying a series of HP MSR20 (or similar routers) at a number of satellite offices which have ...
0
votes
2answers
1k views

OSPF routers (with BIRD on debian) recognize each other as neighbors but can't ping each other

I've created a "line" topology using virtual box - creating 4 machines and making a separate link between each using internal networks - R1 (eth0, 10.0.1.1) <-> (eth0, 10.0.2.1) R2 (eth2, 10.0.2.2) ...
0
votes
1answer
85 views

Can ESXi host get IP from VM DHCP Server?

I have a server with 2 nics, 1 is public and 1 is private, the private nic is connected to a switch which is the LAN. Can the ESXi host draw an ip address and get service through the LAN just like the ...
0
votes
2answers
238 views

Ubuntu Server SSH Connectivity Issues (Potentially Router) [closed]

I have a server set up with Ubuntu 12.04. I've installed OpenSSH, and I'm trying to access it from another computer, on another network, using this command (modified for the correct values): ssh ...
1
vote
0answers
95 views

Why might one host be unable to access the Internet, when it can ping the router and when all other hosts can?

I have a Draytek Vigor 2830n. It's kicking out a 192.168.3.0 LAN. It performs load-balancing across dual-WAN ports, although I've turned off the second WAN to simplify testing. There are many hosts ...
-2
votes
1answer
49 views

vlans communicate with each other

I am setting up three vlans in a cisco router with the following configurations. Vlan 10 Subnet: 192.168.1.0/24 Netmask: 255.255.255.0 Gateway: 192.168.1.1 Vlan 20 Subnet: 192.168.2.0/24 Netmask: ...
-1
votes
1answer
138 views

Linux server not routing my packets

I have a linux server (Ubuntu 12) with 2 NIC's. eth0 is connected WAN (inet 10.0.2.15 mask 255.255.255.0) eth1 is connected LAN (inet 192.168.0.1 mask 255.255.255.0) I want my windows machine to ...
1
vote
1answer
100 views

How can I access my router that is on other office network

Hi I'm working on ROUTER A and I want to access ROUTER C, the config is: ROUTER A <-conected with-> ROUTER B <-conected with-> ROUTER C ROUTER A: LAN:192.168.1.1 255.255.255.0 ...
1
vote
2answers
172 views

Routing to a floating IP between 2 servers on different networks

I have two servers in two different network subnets, there is a heartbeat between the servers and they automatically select active / standby. the active server will have a floating IP assigned to one ...
-2
votes
1answer
250 views

OSPF configuration in packet tracer

assume that I have 4 buildings which all connected to main building and in each building I have privileged subnet ( red circles ). privileged subnet must be able to connect each other, and rest of the ...
0
votes
2answers
760 views

cisco ip nat / port forwarding

I have been trying to get port forwarding working with a newly installed cisco router. I cannot seem to find where my fault is and have been looking for quite a while. The relevant section of my ...
0
votes
2answers
153 views

Debian router drops connection [closed]

I have a home network with a debian server running kernel 3.8 setup as a router, doing DHCP, DNS-caching, samba and Squid. The motherboard is a Gigabyte GA-Z77X-UD5H with two ethernet ports, one Intel ...
0
votes
2answers
123 views

Juniper Router - Load Balancing

I have a single Juniper router which is connected to multiple external ASs. I am looking to load balancing for best way to automatically move traffic away from one link the others (without hardcoded ...
0
votes
2answers
187 views

Can I use a software router to filter traffic coming from a Cisco router?

I have the following topology working but i would like to be able to filter the traffic using a software router such as Zentyal. Current [INTERNET] === [Cisco 2600] ===[Cisco Switch] === [Machines] ...
2
votes
1answer
2k views

Routing between two routers with static routes

I have a Draytek 3200 router and a pfsense rackmount router that I am trying to get to route to each other. I have a subnet on each router and a subnet for the link between, as shown here: As it ...
0
votes
2answers
238 views

Routing from one router to another?

I'm trying to route from one basic router to a pfsense box. It's basically so that I can have VPN users on both router aswell as VPN tunnels to test which router performs best. I am also trying to ...
1
vote
1answer
88 views

Why can't I reach the LAN side of a slave vrrp router?

I have a dual linux firewall/router setup that is connected to 2 different upstream providers. Internally the default route is a failover using vrrp. The setup looks something like this. The routes ...
4
votes
2answers
284 views

EIGRP neighbors flapping

I have a EIGRP topology set up in GNS3. It looks like this: The neighbor relationship between R7 and R8 is constantly flapping and I cannot figure out why. Hello timers and time delays are all set ...
1
vote
1answer
319 views

DMZ config on RV082 router

We are connecting 2 offices with a dedicated point to point connection. Both offices have the Cisco RV082 router. In both offices, the routers are being used for internet on the WAN1 port. This ...
1
vote
2answers
122 views

Performance Impact of adding more NIC cards to a Linux router box

What would be the impact on performance if more and more NIC cards are added to Linux box for routing traffic to different networks. Lets say i have 10 different networks and i only have a single ...
-1
votes
1answer
140 views

how do i automatically add a new route to the routing table?

I'm looking at linking two networks with a long range Ethernet bridge. I know I can connect my two networks with a router, but my problem is how will my computers know where to send packets if I don't ...
1
vote
1answer
426 views

Fritz!Box IPv6-Address different than IPv6-Prefix

In my Fritzbox it states the following: IPv6-Adresse: 2a02:8070:600::14b6:c7******, Gültigkeit: 100465/86065s IPv6-Präfix: 2a02:8070:62c:3200::/56, Gültigkeit: 100464/86064s I am not able to ...
0
votes
1answer
126 views

Connectiong adsl router/modem and router with bridgemode

I have one adsl modem/router which is not "top" of the line and it lack allot of options which I need. I was able to acquire one Cisco router recently which has all options that I need ( like DMZ, ...
2
votes
2answers
717 views

Routing using Linux with 2 NIC cards

Configured Clear OS to be in Gateway mode on a machine with two NIC cards. eth0:192.168.2.0/24 with ip 192.168.2.27 which is connected to a modem and thus have internet connectivity. ...
0
votes
1answer
67 views

How do I setup a network that would allow both wired and wireless clients to go through a proxy first?

In my current setup, I have a NETGEAR Wiressless-N Gigabit router WNR3500NL and a 3COM 10/100 24-pt switch. The router has 5 ports, a single Internet port(yellow) followed by 4 Ethernet ports(orange) ...
-4
votes
2answers
100 views

How to access an IP address as if on a different network using SSH [closed]

In preparation for a lengthy business trip, I set up my router such that I can access my home computer over the internet via port forwarding over SSH. One thing I neglected to do was setup access to ...
-2
votes
2answers
193 views

Network traffic across different (sub-)nets, how does the route get determined? [duplicate]

Possible Duplicate: How does Subnetting Work? Imagine there is a small network with 2 subnets. Both of the subnets have their own switch (means: all machines on that subnet share the same ...
2
votes
2answers
665 views

Layer 3 switch routing

I need help moving over to using our layer 3 switch as the inter vlan routing device rather than our cisco router. I've mostly got it working but I've got stuck near the end and need some advice (I ...
0
votes
2answers
1k views

Set up router with 2 WANs and multiple subnets

I'm trying to set up a Debian box as a router for an office. I need to have 3 subnets in the LAN and 2 WAN connections, and I want one of the subnets to ALWAYS use WAN 1 and the other subnet to ALWAYS ...
0
votes
2answers
2k views

How to route/redirect my Internet traffic through another router/node on the net?

I am trying to access some content on the Internet which has some stupid geographic restrictions (access limited from a specific country. Most likely the restriction is IP based. I happen to have ...
3
votes
3answers
2k views

How do I get internal hosts to use a VPN connection set up on a FreeBSD router?

Question in short: How do I get traffic from a host on an internal network, using NAT behind a router, to use a VPN connection set up on the router? I have a FreeBSD 9 router with 4 network ...
-2
votes
3answers
2k views

Packets dropped due to NAT? Firewall? Unroutable private IP addresses?

Preliminary note This question is out of academic interest. I know how to work around the limitation. I use this setup to control access from one subnet to the other on IP level which works great so I ...
0
votes
1answer
555 views

default route propagation under rip - quagga

How would I propagate a default route under RIP, from a router? The operating system is Ubuntu. Can this be done in Quagga? What would be the command? I found a solution for a cisco router: ...
1
vote
1answer
279 views

More than 8 WAN aliases on routers?

We have a Draytek Vigor 2820 in our office and we have a few servers running websites and email applications. These servers each have their own public ip using WAN aliases that are mapped to their ...
2
votes
2answers
4k views

Routing between subnets with one router?

I have a Draytek Vigor 2820 which is connected to three gigabit Netgear Layer 2 switches. Currently the network is fairly simple, 192.168.1.0/24. One the network I have 7 servers, around 50 ...
0
votes
2answers
146 views

Linux as a router for public networks

My ISP had given me a /30 network. Later, when I wanted more public ips, I requested for a /29 network. I was told to keep using my earlier /30 network on the interface which is facing ISP, and the ...