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Questions tagged [router]

For questions about network routers, devices that forward data packets between computer networks, commonly at the network layer (layer 3) of the OSI model.

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2answers
141 views

Which MAC should be used: device MAC or Interface MAC?

My L3 switch has ~30 interfaces. If you look at the output below there are two MAC addresses showing in the results of the show interface command. The hardware address is the same for all interfaces. ...
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2answers
245 views

how to make multiple subnet able to use one resource without being able to connect to each other in any way

i`m trying to connect multiple subnets to one web server but these subnets should not be able to connect to each other.i cant make any changes on these subnets. I just have a lan cable from each ...
-1
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2answers
197 views

network problems

I am having a problem with my network. I have a router (R1) connected to another router (R2) R1 is connected to a switch. R1 switch has two PC's connected to it. the PC IP's are 128.107.35.10 and 192....
5
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1answer
383 views

Time Cisco Router reload not always mentioned

Im trying to measure our cisco router availability data based on downtime happened. I assume from show version, the time mentioned in tag "System returned to ROM" is when reload started, and next line ...
5
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1answer
227 views

Juniper ERX 310 traffic not going more than 710 mbps?

We have a Juniper ERX 310 configured as B-ras, as per specifications of the router, we should be able to terminate 8000 PPP sessions, but we notice that traffic on the router interface not going more ...
1
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1answer
494 views

Cisco Radius Authentication with Local Fallback

We have Radius authentication setup on a number of CISCO devices. Each device also has a local account. Is it possible to make it so you can only use the local account when the radius server is ...
0
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1answer
274 views

Slow performance with Cisco Comcast Business router with static IP address

20I have a server with a static IP address connected to a Comcast Business router (Cisco DPC3941B). I also have a second machine directly connected to the same router. It gets assigned a NAT address ...
0
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1answer
81 views

How to get Adtran TA5000 23 firmware information with an SNMP request?

I'm looking for any SNMP request that I could use through a Linux terminal to get the firmware information of all our ADTRAN DSLAMs that we currently have in the field(there are close to 18,000). I ...
0
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1answer
236 views

Configure E1 CAS signalling on a 2851 router

I have a 2851 VoIP router (CME) with four E1 ports. One port is configured as normal E1 PRI, and it is connected to PSTN. I want to configure another E1 port as a CAS signalling E1. I need to be ...
0
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1answer
57 views

Route to host deleted

Now this is strange but I have an android phone connected to the same office router via Wi-Fi but it gives an error "No route to host" when I try to connect to my computer locally on the same network. ...
0
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1answer
478 views

Cisco ASR1006 Power usage

Hello everybody I hope all is well. I was wondering if somebody can help? I am trying to find a command to run for the power utilization on a ASR1006 using the following version of IOS-XE; Cisco ...
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1answer
474 views

Two routers connected to a switch= same IP host address?

I have two routers, named Router0 and Router1, that are connect to a switch on ports FA0/1 and FA0/2, respectively. Now lets say this network has an address of 201.201.201.0/24. Would the IP host ...
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1answer
136 views

How can I configure a router to forward an incoming hardcoded IP address to a named DDNS address?

I have an IP telephone but the IP address can only be specified explicitly, there's no way to enter a host name. The problem is that the IP address of the host name can change. Two possibilities ...
7
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0answers
233 views

How to control unwanted UDP traffic (Broadcast & Multicast) on Cisco Router 2911?

Please suggest, we are getting UDP traffic either broadcast or multicast in router 2911 which cause 95%+ utilisation of the router. And we got error in link and business impact due to this. Company ...
5
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0answers
423 views

VirtualAccess Behavior with PPP

A small ISP I provide service for has recently been consolidating their equipment. One of their small branches only has a handful (5 or so) of users receiving their internet through a router, a Cisco ...
4
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0answers
127 views

ASR920 - port Te0/0/3-tefp1 is not a router port on Vlan 217

When I enabled debugging: PIM#debug ip igmp snooping router I get in logs: Mar 30 15:58:36.275: IGMPSN: router: port Te0/0/3-tefp1 is not a router port on Vlan 217 Configuration for interfaces: ...
3
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0answers
74 views

Need to configure site to site SSL VPN between two Cisco routers

I would like to configure site-to-site SSL VPN between two sites. I originally set up an IPSec VPN between the two Cisco routers and found I was only getting 10 percent of the available bandwidth. ...
3
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0answers
68 views

PVC not Accepted by CISCO 878

I have the following config. set up for an MPLS network on my CISCO 878: Current configuration : 941 bytes ! version 12.4 no service pad service timestamps debug datetime msec service timestamps log ...
2
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0answers
55 views

Is this a valid OSPF topology?

In the following topology: every Backbone router is an ABR. Router 2 belongs to three different areas, area 0, area 1, and area 4. is this a valid topology for OSPF ? it works as expected and it ...
2
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0answers
48 views

DHCP ivp6 vs DHCP ipv4 router config (cisco)

When setting up a router as dchp server in ipv4, we specify a pool under which we give the network and the default-gateway and that's it: However in ipv6 stateless dhcp , we create the pool then ...
2
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0answers
1k views

AAA - IP HTTP server: local authentication and authorization

We configure AAA on router for the Telnet/SSH access. We activate HTTP on our router to our provisioning tool. The provisioning tool needs to retrieve information and execute some command on the HTTP ...
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0answers
17 views

How to recover/reset password on Ascend/Lucent SuperPipe 155

I am trying to set up an Ascend/Lucent SuperPipe 155 ISDN router that I don't know the password to. I need to recover or reset this password before I can use the router. I found a reset procedure on a ...
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0answers
64 views

Why do the tunnel protocol on these two router show different values

Two routers R1 and R2 have a tunnel built between them in the 103.103.103.0/24 network. The end point of the tunnel are 75.75.75.2(on R1) and 76.76.76.2(on R2). Can anyone explain why does the Tunnel ...
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0answers
71 views

Cisco ISR Zone Based Firewall dual stack not matching returning traffic for ipv6

I have a bit of a problem with my Cisco 1921 ISR config. I have ipv4 (obviously) and also native ipv6 connectivity in my home lab. I am trying to set up the zone based firewall. With ipv4 traffic, the ...
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0answers
55 views

Cisco IP SLA HTTP request with frontdoor VRF

I am trying to use a IP SLA for HTTP on my Cisco ISR 4321 router to check if a website is reachable. The challenge is that I need to do that in a frontdoor VRF. I have configured ip name-server vrf ...
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0answers
43 views

traffic of AF41 marking under interface

I have used port-queue commands most of the time to check traffic status under BE, EF, AF4. But I haven't found command to check for AF41 to AF42 on Huawei VRP or cisco IOS. How can check traffic of ...
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0answers
98 views

PPPoE Performance Test

I'm looking for some tool or a way to execute performance test with pppoe account. simulate PPPoE sessions and traffic. Example: I have a PowerEdge R420 running a VYOS, I was wondering, how is the ...
1
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0answers
135 views

Cisco Asr1001 not able to receive 2048 macs (arps) in a sub-interface

I´m Brasilian, so excuse me any gramar error. I have a cisco router ASR1001 (IOS XE Version: 03.08.01.S) and I need to connect it to a service provider running BGP ipv4. This service provider gave me ...
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0answers
106 views

Firewall/Router not translating correctly

I am currently having trouble gaining internet access from the PC. Any suggestions or advice would be most welcome :) In order to diagnose a much larger issue, I have scaled my lab configuration ...
1
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0answers
161 views

BFD support for OSPF vyatta 6.2?

Is it possible to get support for BFD for OSPF on vyatta 6.2? I cannot find any information about it on the internet. The only thing I've seen is that the support is available on Brocade Vyatta 5400 ...
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0answers
114 views

Traceroute probes

In traceroute, when a * is recieved, it could mean the router didn't reply due to various reasons- either the router is busy processing other packets or ICMP is blocked. I think few ISPs configure ...
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0answers
312 views

wpa-aes EAP-peap authentication problem

I'm trying to connect ubiquity NanoStation M2 as Station/Router mode to a hotspot that I believe has WPA/AES security and EAP-PEAP for auth. I have tested the username and password from my laptop and ...
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0answers
15 views

take oid of interface on router via snmpwalk for monitoring

Could someone explain how to get oid value of an interface via an snmpwalk ? I have some value like : iso.3.6.1.2.1.2.2.1.2.15729260 = STRING: "vlan 110" Thanks in advance for help
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0answers
29 views

Why does my 1921 Router not bring up its interfaces?

I have the 'no shut' command entered on both interfaces. They work when I enter the command. I copy run start 'wr' Power was cycled for the Router, Switch (3560x-24), Cable modem and AP. They were ...
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0answers
18 views

Confuse about type of handover in Mesh Router?

I have difficulty in understand the concept of handover which can be categorized into two: Horizontal or Homogeneous handover Vertical or Heterogeneous handover Horizontal handover occur within the ...
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0answers
30 views

MPLS LSPs Unequal Cost Load Balancing in Juniper MX

I have confusion with regard to Juniper MPLS LSP unequal cost balancing. In Juniper we can define 2 or more LSPs between R1 and R2. With some LSPs taking the IGP best path (default behavior) while ...
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0answers
53 views

ASA - communication between 2 tunnels

I have two IPSEC tunnels with an ASA in the middle Site A - 10.20.4.0 /24 (65.176.80.84) Site B - 192.168.142.0 /24 ASA - 10.99.206.0 /24 (95.12.22.33 Site A - 10.20.4.0 /24 can reach the ASA and ...
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0answers
91 views

How Cisco Line Protocol works

How do Cisco Line Protocol works ? I could read this: https://www.cisco.com/c/en/us/support/docs/content-networking/keepalives/118390-technote-keepalive-00.html, about Ethernet Interfaces keepalive ...
0
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0answers
38 views

Basic connectivity won't work in Packet Tracer

I've been redoing this multiple times and I'm sure i configured it correctly, however there is nothing happening at all. It's just a basic network with 3 routers and OSPF configured. Here are the ...
0
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0answers
8k views

Huawei Router Telnet and SSH configuration - Authentication

I am following Huawei user guide to enable telnet server and telnet service to a port. However, whenever I am trying to do a telnet, I see this error and the connection times out - HUAWEI %%01SOCKET/...
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0answers
2k views

ASR1006 link down due to remote fault

we have 10G fiber running since 1 year but today i have migrate that same link to ASR1006 and i am seeing following error, what could be the wrong? Oct 7 17:29:48.211: %IOSXE_SPA-6-UPDOWN: Interface ...