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Network Engineering Weekly Newsletter - Friday, August 29, 2014

Network Engineering newsletter

Top new questions this week:

Cisco Prime / 5508 WLC captive portals

Need some assistance with a small query. Can a 5508 WLC be configured to host multiple concurrent captive portals? Have been googling for the information but if anyone has the info available, I would …

wireless wlc cisco-wireless byod  
asked by user4565 5 votes
answered by Ricky Beam 3 votes

Cisco ASA TCP packet inspection - byte pattern recognition

I've been scouring for documentation regarding byte pattern recognition on Cisco ASA's, and I've been unable to find anything. I've been tasking with converting a Snort rule into an ASA security …

cisco cisco-asa  
asked by Barry 5 votes
answered by legioxi 1 vote

RSTP Basics: Can this be done?

What I've got: Two 24 port switches in building A, with 2 fibre trunks from building A to building B - where there are two 48 port switches. The two 24 port switches support RSTP and STP. HP …

spanning-tree hp loop  
asked by Sam 4 votes
answered by polihrono_crepes -2 votes

Management VLAN Configuration

how u doing? Just got a Cisco SF300-24 for studying switch configuration and I'm in doubt about the Management VLAN. In my conf, I made this VLANs: Vlan Name Ports …

cisco vlan management  
asked by jonatas.baldin 4 votes
answered by Gerben 4 votes

Internet exchange point

My edge router is connected to one transit ISP full route table and to IXP. I would like to know what is the best way to protect the connection to IXP from becoming unwilling transit ISP. For example …

bgp best-practices  
asked by Vasisl 4 votes
answered by Ron 4 votes

Autonomous System Number overlap confusion

I'm really confused. I have a list of all the AS numbers and their "description", which I got from MaxMind. I thought the ASN system was pretty straightforward, but let me show you my confusion. Take …

ipv4 isp  
asked by ConorD55 4 votes
answered by LucentMoon 4 votes

Regarding Dot1X dynamic VLAN assignment

Situation: I am trying to get 802.1X working for me. I want RADIUS server to dynamically assign VLANs to ports based on RADIUS reply attribute for particular user. I have an HP E2620 switch and a …

switch vlan radius dot1x  
asked by Alex 3 votes

Greatest hits from previous weeks:

What would cause high latency anytime there is traffic on WAN?

I have a network that has been experiencing slow internet speeds. After a great deal of troubleshooting, I have determined that any streaming content/downloads will cause the latency of WAN traffic to …

latency congestion wan  
asked by Flapjack00 9 votes
answered by LapTop006 7 votes

How can I capture traffic on Cisco IOS switches?

For investigating a problem in client to server communication, I need to capture packets for analysis. However it's not allowed to install a packet analyzer, such as Wireshark or tcpdump, on client or …

cisco monitoring ios wireshark  
asked by Stefan 14 votes
answered by Stefan 26 votes

Can you answer these?

Vyatta static routing does not correctly route to next hop

I configured static route using Vyatta like following: set protocols static route 192.168.1.0/24 next-hop 10.100.0.204 But a packet which destination is 192.168.1.10 is not routed to 10.100.0.204. …

routing  
asked by Takuya Matsuyama 2 votes

HTTPS Websites fail to load completely: Mikrotik with QoS enabled

I'm responsible for a network of a hotel that has around 50 users every day, I have to tell you that it is quite difficult for me to do this, but I've been doing, without knowing anything about …

network tcp qos mikrotik  
asked by fiatjaf 1 vote

problems retrieving duplicate IP addresses through SNMP on Cisco Routers

I have a few interfaces on my Cisco 2801 router, the interfaces are configured in different VRFs and all have the same IP address: interface Loopback0 ip address 1.1.1.1 255.255.255.255 ! interface …

cisco snmp  
asked by Harnik 2 votes
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