Unanswered Questions

603 questions with no upvoted or accepted answers
3
votes
0answers
1k views

Cisco 871, NAT, port formwarding and VOIP configuration - phone speaker buzz

I'm new to all Cisco stuff and I need to configure nettalk VOIP. I have Cisco 871 device with two ISP - one via PPP (public IP 666.666.666.666) and one via eth (public IP 999.999.999.999). Main ISP ...
3
votes
0answers
294 views

BGP - source routing breaking for some routes

I have two routers (A and B), both are Juniper j2320s. Each one has 3 BGP peers, a primary to one preferred AS (call them AS 1) and two to a secondary (AS 2), as well as an IBGP session between them. ...
3
votes
0answers
413 views

Policy Based Routing (not matching packets) - Virtual Template

I have this configuration runnning : Larger image I tested the policy based routing int the lab using two linksys router acting as ppp clients of the Cisco 7206VXR and another linksys emulating the ...
3
votes
1answer
538 views

ASA 5505 OS 9.0 Port Forwarding

I've been beating my head against this for a while now and I've tried all links I could find that were even the least bit relevant to my situation. Any and all information is greatly appreciated. ...
3
votes
1answer
949 views

Enable SNMP traps for ACLs using Cisco IOS?

Does anyone know if it's possible to enable SNMP traps to be sent from a Cisco IOS device when an ACL blocks traffic? I'd like to send a trap whenever a deny statement gets a hit. I've only been ...
2
votes
0answers
17 views

How to use the monitor traffic only shows the In packages in Juniper EX480?

I use monitor traffic tool: run monitor traffic interface ae16 commad: 19:04:52.820205 Out arp who-has 16.23.40.133 tell 16.23.40.134 19:04:52.820210 Out arp who-has 43.243.33.66 tell ...
2
votes
0answers
49 views

Route Reflector not reflecting BGP-LU (Labelled Unicast) prefixes

I was reading about the Inter-AS MPLS VPN Option C from book ' MPLS in the SDN Era' . In it , the author establishes the BGP-LU peering between PEs and ASBRs and between RR and ASBR only.No BGP-LU ...
2
votes
0answers
34 views

very strange broadcast in LAN with Cisco ASA

Today i have detected Cisco ASA 5505 CPU usage went to 100% and LAN was flood with broadcast (ff:ff:ff:ff:ff) going to 10.0.12.255 address, i have noticed all these activity in wireshark that some ...
2
votes
1answer
76 views

What does “l2protocol peer x” exactly do?

i'm struggeling with some Layer2 Service within one of my customer's MPLS networks. My aim is to provide a L2VPN Service between two ISR4000 Boxes that act as CPE in my MPLS platform. This L2 Service ...
2
votes
0answers
54 views

Cisco nexus spanning-tree logging to syslog

I am trying to send my spanning-tree events to remote syslog but somehow it doesn't work, This is what i have in my config. N3K# sh run | grep logg logging level spanning-tree 7 logging server 172.29....
2
votes
0answers
32 views

Certain SSH shell script doesn't run well in Cisco APIC bash

The following ping script is running just fine in both script form and interactive shell ping-only.sh date for i in 10.1.1.1 10.1.1.3 10.4.1.13 do echo -e "\nIP: $i" ping -c 1 $i | grep ...
2
votes
0answers
24 views

Juniper QinQ same port for customer as provider

Is it possible to use a single interface as both the provider port and the customer port for a QinQ setup on a Juniper EX 4200 switch? I have a set of switches "on a stick" attached to the network. ...
2
votes
0answers
50 views

RPL: questions on routing mechanism

I'm studying RPL and two questions came to my mind: 1: Both in storing and non-storing modes, if a node wants to send a packet to another node via P2P communication paradigm, then how does the ...
2
votes
0answers
73 views

Ikev2 (flexvpn) AAA authentication via radius

My problem is I currently develop a new configuration on IKEV2 VPN connection. The main idea is the client VPN routers are authenticate trough a VPN concentrator where an AAA authenticion set to a ...
2
votes
0answers
46 views

Memory Utilization inceased on Routing Engine in Juniper MX

We recently faced high memory utilization on primary RE of Juniper MX. I have attached graph of Memory Utilization . It was as a result for copying some files from Backup RE to Primary RE (This is ...

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