I was told in the training sessions that the Administrative Distance for Default Route is 255 and is the least preferred route. My interviewer says its 1. Which is correct?

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PPP over FR

by arul on June 22, 2010

I have a very simple configureation with PPP over FR, and runing RIP on it. there are two routes about this subnet in routing table like 150.1.1.1/32 and 150.1.1.0/24 both exist in routing table. can i fix this problem?

{ 3 comments }

QoS on vbr-nrt ATM Voip

by arul on June 22, 2010

I have this configuration and we need to tune the “tx-ring-limit” to a smaller value. Whick is the best tx-ring-limit in vbr-nrt 128? Regards, Martin .. interface ATM1/0 no ip address ip route-cache flow scrambling cell-payload framing crc4adm no ima-group atm pvc x xx ilmi atm ilmi-keepalive ! interface ATM1/0.1 point-to-point pvc 1/x vbr-nrt 128 [...]

{ 2 comments }

PBR and HSRP and EIGRP

by arul on June 22, 2010

Hopefully this is a fairly quick question, I would have tested this in a lab, but run out of time. Is it possible to run both HSRP and PBR together without issue? What I have is a remote site that is connected to HQ site by two redundant links. One of these has a greater [...]

{ 2 comments }

Error

by arul on June 22, 2010

I have a default route from my router to other router. ip route 0.0.0.0 0.0.0.0 10.1.1.125 ip route is out of range – [1-223]

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What IOS do I need for 2811 router?

by arul on June 22, 2010

I need an IOS that will allow ‘crypto’ commands so I can disable telnet to the router and require SSH connections only. The ‘IP-base’ image does not have the ‘crypto’commands. What IOS level above ‘IP-base’ do I need for this functionality

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Router or not router

by arul on June 22, 2010

My computer is connect to the internet via an ISP using modem (ADSL). The IP address of my PC is dynamically assigned by the ISP. Now I want to add three more PCs to the network (LAN) so that all of them can access the internet. 1)Can I do it without using a router or [...]

{ 4 comments }

OSPF stub area and route external to AS

by arul on June 22, 2010

Stub area is an area that does not accept information about routes external to the autonomous system. Does the “external routes” must be from non-OSPF (RIP, IGRP, EIGRP) always with different AS, or it can be from another OSPF but with different AS ?

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OSPF and Multicast packet for DR or BDR

by arul on June 22, 2010

I have found this article in net http://www.ciscopress.com/articles/article.asp?p=99982&seqNum=5 “Point-to-multipoint networks are a special configuration of NBMA networks in which networks are treated as a collection of point-to-point links. Routers on these networks do not elect a DR or BDR, and because all links are seen as point-to-point, all OSPF packets are multicast”. My confusion are [...]

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Can`t get access over V.110

by arul on June 22, 2010

i have problems with our configuration. 1. the configuration worked 2. view weeks later, the router crash 3. we changed the hardware 4. installed the old config but we didn`t get an access over V.110 Debug: Oct 14 13:41:35.075: %LINK-3-UPDOWN: Interface Serial1/0:0, changed state to down bvrr02# Oct 14 13:41:42.083: %LINK-3-UPDOWN: Interface Serial1/0:0, changed state [...]

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