Questions tagged [routing]

For questions about routing, the process of selecting to which network path traffic is sent. Consider using a more specific tag if your question is about a routing protocol like BGP or OSPF.

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Extract Palo Alto ACC stats in text format

I have a Palo Alto p220 firewall, which acts as a virtual router at the same time. I would like to get the traffic data (download/upload in bytes per IP) in a format, which I could then parse on my ...
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In gnss3, why can't I ping my cisco router from my VM?

I have the following network, I have never configured a Cisco router before so I'm having a little trouble. In router R1 I used the following commands to assign an ip to the router: configure terminal ...
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AODV Broadcast ID/Broadcast Sequence number/RREQ ID reason for existing

I was looking into Adhoc On-Demand Distance Vector Routing (AODV), in particular the following sources: https://www.cs.cornell.edu/people/egs/615/aodv.pdf https://tools.ietf.org/html/rfc3561 Both ...
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Dual WAN with each ISP in a VRF - Cisco IOS

I have a DMVPN spoke router setup almost identically to the spoke configuration listed here (Also quoted below): https://www.cisco.com/c/en/us/support/docs/security-vpn/dynamic-multi-point-vpn-dmvpn/...
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Cisco: NAT overload does not work on Serial point to point interface /32 address on Cellular modem

I have a LTE modem installed in a Cisco 1921 that is able to connect to the carrier network and ping out sucessfully from the router, however NAT hosts are not able to connect to the internet. There ...
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31 views

Issue with PIM-SSM Multicast Configuration ISR4431s

I have an issue with my PIM-SSM multicast configuration using ISR4431s.    I am wanting to forward broadcast data from an application from one VLAN in on the multicast source to another VLAN on a ...
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How does IP fragments assembled when identification number field is too small?

Please take reference from this question. It is said in RFC 6864 that if IP V4 IDs remain unique during MDL, it would limit speed to max 6.4Mbps. Now high speed devices generate data at a much higher ...
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why SLA Track 8 isn't applicable to my ISR Router

On a Cisco ISR 4451 I configure SLA Function as follow: track 8 ip sla 1 reachability ip sla 1 icmp-echo 10.1.1.81 source-ip 10.1.1.80 ip sla schedule 1 life forever start-time now And then I want ...
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160 views

Vlan Routing with ESXI and L3 Cisco Switch

Please, i need your help. I have read all the posts from the internet, but i don't know what is wrong. i want to ping from PC10 (portgroup in Vlan 10 with ip 1.1.10.200, GW 1.1.10.2) to the int vlan ...
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Comparing ETX with PRR with retransmissions

Expected number of transmissions (ETX) and packet reception ratio (PRR) are two routing metrics that exist. Based on my understanding, the packet reception ratio reflects the link quality. If you ...
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Routing table have BGP route but unable to ping. R5 192.168.5.1 unable to ping to R6 192.168.6.1

All have the router have 192.168.5.1 and 192.168.6.1 route in routing table. But unable to ping from 192.168.5.1 to 192.168.6.1 R5 router bgp 200 bgp log-neighbor-changes network 10.0.15.0 mask 255....
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119 views

Hub and spoke IPSec in pfsense

I have 9 different sites and one HQ site where all 9 remote sites connect to via IPSec VPN. All are pfsense firewalls. I want to allow traffic between site 2, 3 and 4. But I do not want to configure ...
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26 views

How can I use standard communities for route leaking?

I have a network something like this: R1_____Edge1____BB____Edge2_____R2 \____R3 R1: VRF BLUE (10:10) R2: VRF BLUE (10:10) R3: VRF RED (10:20) Edge1 and Edge2 has both ...
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514 views

Fortigate and ipv6 routing

I have a Fortigate router and my ISP support ipv6. I'm getting a public ipv6 on the Fortigate and also on the computers on the lan (2a02:a18:9041....) I have not to much understanding of ipv6, but by ...
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CISCO Packet Tracer

Does Cisco Packet Tracer support config memory and config network command? If no, then do enterprise routers still support it?
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882 views

How to Run Static IP Through Comcast Business Class Modem to Router?

I apologize in advance for this kind of nebulous question, but I'm very stuck after many hours of trying and I need help. Here's what I have: Newest model of the Comcast Business Class Modem/Router ...
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409 views

JUNIPER EX-2200-C Layer 3 Switch Configuration

I am setting up attempting to simulate a small infrastructure of Clients and Servers. Current Setup 1x. Dell Inspiron Tower Running ESXI 6.5 1x. HP Z800 Workstation Running ESXI 6.5 1x. Juniper ...
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428 views

IS-IS Interface Metric/Cost Calculation Issue in Juniper MX

I am facing a very strange issue with regard to IS-IS Interface Metric / Cost calculation in Juniper MX. We have configured a reference bandwidth of 1000G on all routers.This by definition means an ae ...
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117 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 ...
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369 views

IGP between 2 routers with an uncooperative router in the middle

I've got two routers, A and B. A gets some routes over BGP over a VPN connection, and has a leg on 10.0.0.0/24. It also can access the whole 10.0.0.0/16 via its default gateway. B is on 192.168.0.0/...

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