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CFG of CIP disappear after change IOS.

Hi, folks! We have 7507 with two RSP16 and two CIPs.After I change IOS of our 7507, from (RSP-JSV-M) Version 12.1(13)E1 to 123(11)T3, with sh run, we looked that our CIPs disappeared. The cfg of CIPs are in startup-config.After the change of IOS and ...

SLB with NAT plus NAT?

Hi,we have IOS SLB configured on 12.3(5b)ip slb serverfarm WWWFARM1 **nat server** real weight 1 faildetect numconns 255 numclients 8 retry 20 inservice real weight 1 faildetect numconns 255 numclients 8 retry 20 i...

Routing with PIX506E

Hi there!I'm new in Cisco, so if it is something stupid...I have pix506E with inside interface on company has a few subnets. The pix it is not used for routing by the hosts inside company, for this i have a windows RRAS. The pix it is ...

Configuring ADSL on 2811 with wic-1adsl

i´m trying to configure the abovementioned router with an adsl access. we have a fixed ip add from our isp operator with a mask of /32. the router does not allow this mask and our operator cannot/will not change the mask unless we ask for another ma...

fcatalao by Beginner
  • 7 replies
  • 0 Helpful votes

ISDN Configuration

Dear all, I would appreciate if any one could help me in configuring ISDN. We are trying to configure ISDN for one our clients. They have PRI at both the ends and they also have frame relay link between two routers. The idea is they have many subi...


Hi guys, I have an issue which is sitting on my head from last few days. My 60 sites are connected to HQ thru MPLS network and i need to provide backup to site 1 using BRI (as shown in the attachment). Whenever my serial line goes down BRI comes up....

i_mathias by Beginner
  • 3 replies
  • 0 Helpful votes


Anybody knows this log messages? What does it mean?Apr 12 15:23:32.641 PHT: %TFIB-2-NULLADJ: ----------------TAGREWRITE------------------------------------------------------Apr 12 15:23:32.641 PHT: %TFIB-2-NULLADJ: intag 0x4D, outtag 0x1000003, pop 0...

mpabilona by Beginner
  • 3 replies
  • 0 Helpful votes

EIGRP split-horizon on NBMA interfaces

Hi all..Pls correct me if I'm wrong but this is how I believe EIGRP split-horizon/poison reverse works:- when a router determines a feasible successor for a route, by default, it will send a poisoned updated out of the interface to the feasible succe...

pkhatri by Advisor
  • 2 replies
  • 0 Helpful votes

2612 Router

Does anyone know if I can config dot1q on an Ethernet port on the above router. I'm trying to set up a couple of VLAN's for testing on an old router we have. I've tried several times only to no avail I keep getting this errorConfiguring IP routing on...

rmurdoch by Beginner
  • 1 replies
  • 0 Helpful votes

LOCAL SPAN/RSPAN Source limitation of 2

It looks like SUP1A is very close to EOL and from what I gather, so is HYBRID CATOS. So, there are plans to go to SUPII and CAT Native IOS. We have setup some local spans on our 6500s for 3 different sources in HYBRID mode. We are going to go back to...

rlortiz by Beginner
  • 2 replies
  • 0 Helpful votes

2610 Router that hangs

Network topology:We have a 2600 router with two WIC1-T1-DSUs with two full T1s of Internet (3Meg Internet connection) that connect to a 12000 backbone router. We implement ip cef, ip load-sharing per-packet and ospf, and set the MTU size to 4470 to m...

bbohan by Beginner
  • 9 replies
  • 0 Helpful votes