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- About dkhouri
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Member since
05-05-2010
17
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01-19-2011
03:04 AM
Hi Jonathan, I cleared the IP routing table and ospf process on both R2 and R3 and it swoped the paths around. Now R2 takes the path through EIGRP and R3 now goes backwards through OSPF. I even deleted all redistribution configurations on R2 and R3, re added them and its still doing the same thing.
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01-19-2011
02:27 AM
Hi, I seem to be stuck understanding the results on the lab im working on. If you look at the image, i have redistribution configured on R2 and R3 (redistributing EIGRP and OSPF in both directions) and i have RIP being redistributed by R5 into the EIGRP domain. I have made no changes to alter any metrics at all. I have just enabled redistribution. If I log onto R2 and check the routing table, to get to 50.50.1.0/50.50.2.0/50.50.3.0, it will go through the OSPF domain...next hop being R4. R2#show ip route Gateway of last resort is not set 50.0.0.0/24 is subnetted, 4 subnets O E1 50.50.1.0 [110/22] via 172.41.0.4, 00:38:35, FastEthernet0/0 O E1 50.50.2.0 [110/22] via 172.41.0.4, 00:38:35, FastEthernet0/0 O E1 50.50.3.0 [110/22] via 172.41.0.4, 00:38:35, FastEthernet0/0 O E1 50.50.4.0 [110/22] via 172.41.0.4, 00:38:35, FastEthernet0/0 If i log onto R3 and check the routing rable, to get to 50.50.1.0/50.50.2.0/50.50.3.0, it will go through the EIGRP domain, next hop being R1. R3#show ip route Gateway of last resort is not set 50.0.0.0/24 is subnetted, 4 subnets D EX 50.50.1.0 [170/26117120] via 10.45.31.1, 00:54:20, Serial0/0 D EX 50.50.2.0 [170/26117120] via 10.45.31.1, 00:54:20, Serial0/0 D EX 50.50.3.0 [170/26117120] via 10.45.31.1, 00:54:20, Serial0/0 D EX 50.50.4.0 [170/26117120] via 10.45.31.1, 00:54:20, Serial0/0 I checked the EIGRP topology table (all-links) on R2 and it has the same FD as R3's EIGRP topology table. R2#show ip eigrp top all-links IP-EIGRP Topology Table for AS(1)/ID(22.22.22.22) Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply, r - reply Status, s - sia Status P 50.50.1.0/24, 1 successors, FD is 25602560, serno 14 via Redistributed (25602560/0) via 10.45.21.1 (26117120/25605120), Serial0/0 R3#show ip eigr top IP-EIGRP Topology Table for AS(1)/ID(33.33.33.33) Codes: P - Passive, A - Active, U - Update, Q - Query, R - Reply, r - reply Status, s - sia Status P 50.50.1.0/24, 1 successors, FD is 26117120 via 10.45.31.1 (26117120/25605120), Serial0/0 Is there a reason why one router goes one way and the other router goes the other direction (longer path)?? Thanks DK
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01-13-2011
12:29 AM
jgraafmans Thank you for the info,. I changed the router-id on R3 and can now see all the external routes. I haven't had time to read the link you posted in your reply, but I most definately will. Thanks to the others for their input. Much appreciated. Thanks DK
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01-12-2011
01:36 PM
Hi Rob, I only see the OSPF routes on R4's EIGRP topology table. R3 is only showing connected and the single 4.4.4.0/24 network which I purposely advertised to make sure EIGRP was working between R3 and R4.
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01-12-2011
03:51 AM
Leo, I have removed the route-map but this didnt help. The route-map has nothing to do with EIGRP. The route-map is used under the OSPF process for the sole purpose of redistribution into OSPF from another routing protocol, which I know is working because I have set match and set statements. I have attached the configs if that helps. Thanks
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01-12-2011
03:09 AM
Hi Leo, Im advertising the below loopbacks into OSPF from R1. These are in area 1. I can see these at inter-area routes on R4. If they are seen by R4 as OSPF routes, then shouldnt they be redistrubting into EIGRP as per the redistribution command under the EIGRP process? interface Loopback0 ip address 100.1.1.1 255.255.255.255 ! interface Loopback10 ip address 1.1.1.1 255.255.255.0 ! interface Loopback110 ip address 172.172.10.1 255.255.255.0 ! interface Loopback120 ip address 172.172.20.1 255.255.255.0 ! interface Loopback130 ip address 172.172.30.1 255.255.255.0 R4#show ip route ospf 172.172.0.0/32 is subnetted, 3 subnets O IA 172.172.10.1 [110/65] via 172.14.0.1, 03:22:52, Serial0/0 O IA 172.172.20.1 [110/65] via 172.14.0.1, 03:22:52, Serial0/0 O IA 172.172.30.1 [110/65] via 172.14.0.1, 03:22:52, Serial0/0 172.12.0.0/30 is subnetted, 1 subnets O 172.12.0.0 [110/65] via 172.42.0.2, 03:22:52, FastEthernet0/1 So i'm not sure what you mean by matching the network statements,......
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01-12-2011
02:27 AM
Hi all, I have 3 routers running OSPF (R1,R2 and R4. Picture R4 as a hub in a hub and spoke diagram). R4 is an ASBR which is connected to another router (R3), and is running EIGRP between itself and R3. On R4, i have configured route redistribution both ways; router eigrp 1 redistribute ospf 1 network 4.4.4.4 0.0.0.0 network 192.168.43.4 0.0.0.0 default-metric 100000 5100 255 1 1500 no auto-summary ! router ospf 1 router-id 4.4.4.4 log-adjacency-changes redistribute eigrp 1 subnets route-map EIGRP_TOO_OSPF network 172.14.0.2 0.0.0.0 area 0 network 172.42.0.4 0.0.0.0 area 0 network 192.168.1.4 0.0.0.0 area 0 On R3, I cannot see any EIGRP routers being redistributed from OSPF. The only EIGRP route I can see if the 4.4.4.4 advertisement. R3#show ip route Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 100.0.0.0/32 is subnetted, 1 subnets C 100.1.1.1 is directly connected, Loopback0 4.0.0.0/24 is subnetted, 1 subnets D 4.4.4.0 [90/156160] via 192.168.43.4, 01:59:40, FastEthernet0/0 192.168.43.0/29 is subnetted, 1 subnets C 192.168.43.0 is directly connected, FastEthernet0/0 10.0.0.0/24 is subnetted, 4 subnets C 10.101.4.0 is directly connected, Loopback4 C 10.101.3.0 is directly connected, Loopback3 C 10.101.2.0 is directly connected, Loopback2 C 10.101.1.0 is directly connected, Loopback1 If I log onto R1 or R2, I can see the EIGRP routes being advertised into the OSPF routing domain; R1#show ip route ospf 4.0.0.0/24 is subnetted, 1 subnets O E2 4.4.4.0 [110/20] via 172.14.0.2, 01:33:09, Serial0/1 192.168.43.0/29 is subnetted, 1 subnets O E2 192.168.43.0 [110/20] via 172.14.0.2, 01:33:09, Serial0/1 172.42.0.0/29 is subnetted, 1 subnets O 172.42.0.0 [110/65] via 172.14.0.2, 02:38:19, Serial0/1 [110/65] via 172.12.0.2, 02:38:19, Serial0/0 10.0.0.0/24 is subnetted, 4 subnets O E2 10.101.4.0 [110/666] via 172.14.0.2, 01:35:09, Serial0/1 O E2 10.101.3.0 [110/20] via 172.14.0.2, 01:33:09, Serial0/1 O E1 10.101.2.0 [110/84] via 172.14.0.2, 00:29:47, Serial0/1 O E2 10.101.1.0 [110/20] via 172.14.0.2, 01:33:09, Serial0/1 I made sure I wasnt missing setting the metrics under EIGRP. Am i missing something here.....? Thanks, DK
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11-08-2010
12:33 AM
Hi, I can't seem to find meaningful information regarding the Stub Network state in a Type 1 LSA. E.g Link connected to: another Router (point-to-point) (Link ID) Neighboring Router ID: 1.1.1.1 (Link Data) Router Interface address: 10.45.13.2 Number of TOS metrics: 0 TOS 0 Metrics: 1 Link connected to: a Stub Network (Link ID) Network/subnet number: 10.45.13.0 (Link Data) Network Mask: 255.255.255.252 Number of TOS metrics: 0 TOS 0 Metrics: 1 Why does it exist? If it's already seen as a point-to-point link, why is it refeering it also as a Stub Network? What's so significant about it? Are there any other terms that may appear instead of "Stub Network" Thanks DK
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Created by
dkhouri
in Other Network Architecture Subjects
in Other Network Architecture Subjects
10-19-2010
02:36 PM
10-19-2010
02:36 PM
Hi Tim, Sorry, forgot to show that "frame-relay switching" was already configured on R6. All the other commands you asked for were already in my initial post! I decided to erase the configuration on all routers and the FR switch. Starting again, I managed to get them showing as active. This is what I believe was the problem: When I enabled encapsulation grame-relay, inverse arp was enabled and may have paired incorrectly. So I shutdown the serial interface, cleared all inarp entries, removed the encapsulation frame-relay settings of the serial interface, disabled inverse-arp and reconfigured the interface as normal. After that I managed to see the spokes show up as active. I also added 2 interface-dlci references on the hub router which I forgot to.
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Created by
dkhouri
in Other Network Architecture Subjects
in Other Network Architecture Subjects
10-17-2010
11:16 PM
10-17-2010
11:16 PM
Hi, Been pulling my hair out on this one!! OK in my lab environment I have a hub (R1) & spoke (R2 and R3) network with a frame relay switch (R6). For some reason, I am seeing CISCO, status deleted on the spoke routers. This is not allowing me to PING. Here's a quick look at all the configurations; R6 - Frame Relay Switch interface Serial0 no ip address encapsulation frame-relay logging event subif-link-status logging event dlci-status-change clock rate 56000 no fair-queue no frame-relay inverse-arp frame-relay intf-type dce frame-relay route 122 interface Serial1 221 frame-relay route 123 interface Serial2 321 ! interface Serial1 no ip address encapsulation frame-relay logging event subif-link-status logging event dlci-status-change clock rate 56000 no frame-relay inverse-arp frame-relay intf-type dce frame-relay route 221 interface Serial0 122 ! interface Serial2 no ip address encapsulation frame-relay logging event subif-link-status logging event dlci-status-change clock rate 56000 no frame-relay inverse-arp frame-relay intf-type dce frame-relay route 321 interface Serial0 123 R6#show frame-relay route Input Intf Input Dlci Output Intf Output Dlci Status Serial0 122 Serial1 221 active Serial0 123 Serial2 321 active Serial1 221 Serial0 122 active Serial2 321 Serial0 123 active R1 - Hub R1#show run int serial 0/1 Building configuration... Current configuration : 214 bytes ! interface Serial0/1 ip address 172.0.123.1 255.255.255.248 encapsulation frame-relay frame-relay map ip 172.0.123.2 122 broadcast frame-relay map ip 172.0.123.3 123 broadcast no frame-relay inverse-arp end R1#show frame-relay map Serial0/1 (up): ip 172.0.123.2 dlci 122(0x7A,0x1CA0), static, broadcast, CISCO, status defined, active Serial0/1 (up): ip 172.0.123.3 dlci 123(0x7B,0x1CB0), static, broadcast, CISCO, status defined, active R1#show frame-relay pvc PVC Statistics for interface Serial0/1 (Frame Relay DTE) Active Inactive Deleted Static Local 2 0 0 0 Switched 0 0 0 0 Unused 0 0 0 0 R2 - Spoke R2#show run interface serial 0/0 Building configuration... Current configuration : 258 bytes ! interface Serial0/0 ip address 172.0.123.2 255.255.255.248 encapsulation frame-relay fair-queue frame-relay map ip 172.0.123.1 221 broadcast frame-relay map ip 172.0.123.3 221 broadcast frame-relay interface-dlci 221 no frame-relay inverse-arp end R2#show frame-relay map Serial0/0 (up): ip 172.0.123.1 dlci 221(0xDD,0x34D0), static, broadcast, CISCO, status deleted Serial0/0 (up): ip 172.0.123.3 dlci 221(0xDD,0x34D0), static, broadcast, CISCO, status deleted R2#show frame-relay pvc PVC Statistics for interface Serial0/0 (Frame Relay DTE) Active Inactive Deleted Static Local 0 0 1 0 Switched 0 0 0 0 Unused 1 0 0 0 R3 - Spoke R3#show run int ser0/0 Building configuration... Current configuration : 261 bytes ! interface Serial0/0 ip address 172.0.123.3 255.255.255.248 encapsulation frame-relay no fair-queue frame-relay map ip 172.0.123.1 321 broadcast frame-relay map ip 172.0.123.2 321 broadcast frame-relay interface-dlci 321 no frame-relay inverse-arp end R3#show frame-relay map Serial0/0 (up): ip 172.0.123.1 dlci 321(0x141,0x5010), static, broadcast, CISCO, status deleted Serial0/0 (up): ip 172.0.123.2 dlci 321(0x141,0x5010), static, broadcast, CISCO, status deleted R3#show frame-relay pvc PVC Statistics for interface Serial0/0 (Frame Relay DTE) Active Inactive Deleted Static Local 0 0 1 0 Switched 0 0 0 0 Unused 1 0 0 0 Am I forgetting something?? Thanks DK
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Created by
dkhouri
in Other Network Architecture Subjects
in Other Network Architecture Subjects
10-05-2010
03:14 PM
10-05-2010
03:14 PM
Hi Amr, If you do a show switch detail do you see ALL four switches listed....and are their state's set to Ready? Here's an example of what it should look like; router#show switch detail Switch/Stack Mac Address : 2893.fedd.2780 H/W Current Switch# Role Mac Address Priority Version State ---------------------------------------------------------- *1 Master 2893.fedd.2780 10 0 Ready 2 Member 0023.ea4b.c380 1 0 Ready 3 Member 0023.ea4b.c500 1 0 Ready Stack Port Status Neighbors Switch# Port 1 Port 2 Port 1 Port 2 -------------------------------------------------------- 1 Ok Ok 2 3 2 Ok Ok 3 1 3 Ok Ok 1 2 If you do see all 4 switches listed in Ready state, then it's most probably a configuration issue. If you cannot see the interfaces on the third and forth switch when you do a show int status form the master switch, you might need to renumber the third and forth switch [ router(config)#switch 1 renumber 3 ]. However, you might have to console onto the third and forth switch to do it. Once you renumber it, you'll need to un-provision the old switch number that was assigned to it [ router(config)#no switch 1 provision ]. To make sure you've renumber it correctly, if you stay consoled onto the third switch and do a show int status, your interfaces should now be seen as 3/0/1 3/0/2 3/0/3 etc etc. The same applies to the forth switch. DK
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Created by
dkhouri
in Other Network Architecture Subjects
in Other Network Architecture Subjects
10-05-2010
02:42 PM
10-05-2010
02:42 PM
Hi Timothy, I am the only person consoled onto the stack. The stack is not in production yet, so no one else is connected to it except myself. How long does it last? I'd say a couple of seconds. I might do a show run or write mem and have the error come up, but if I try again after getting the message, it's fine...i can execute the command without getting the error. It's happening randomly. I will most definately use that command. Hopefully it will tell me something. As leo mentioned earlier, I think it may have something to do with the size of the stack (8 switches). Snmp, http server, etc have already been disabled. Thanks. DK
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Created by
dkhouri
in Other Network Architecture Subjects
in Other Network Architecture Subjects
09-30-2010
03:20 PM
09-30-2010
03:20 PM
I've already disabled http server and http secure-server.
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Created by
dkhouri
in Other Network Architecture Subjects
in Other Network Architecture Subjects
09-29-2010
06:21 PM
09-29-2010
06:21 PM
Did you have your's stacked or was it a single switch? I dont know how much of it being a stack is the issue.....?
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Created by
dkhouri
in Other Network Architecture Subjects
in Other Network Architecture Subjects
09-29-2010
05:24 PM
09-29-2010
05:24 PM
Hi, I have built a 3750 switch stack (8 switches) and every now and then (random) when i do a "show run" or "write mem", i get the following error message NVRAM: Unable to read configuration. Try again It doesn't happen all the time, its a random thing. I'm currently using c3750-ipservicesk9-mz.122-53.SE2.bin. I have checked the memory and there's a lot of free memory. I am the only person consoled onto the stack. I did reboot the stack but its an intermittent problem. Anyone encountered this issue before?
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Labels:
01-19-2011
Hi Jonathan,I cleared the IP routing table and ospf process on both R2
and R3 and it swoped the path...
01-19-2011
Hi,I seem to be stuck understanding the results on the lab im working
on. If you look at the image, ...
01-13-2011
jgraafmansThank you for the info,. I changed the router-id on R3 and can
now see all the external ro...
01-12-2011
Hi Rob,I only see the OSPF routes on R4's EIGRP topology table. R3 is
only showing connected and the...
01-12-2011
Leo,I have removed the route-map but this didnt help. The route-map has
nothing to do with EIGRP. Th...
01-12-2011
Hi Leo,Im advertising the below loopbacks into OSPF from R1. These are
in area 1. I can see these at...
01-12-2011
Hi all,I have 3 routers running OSPF (R1,R2 and R4. Picture R4 as a hub
in a hub and spoke diagram)....
11-08-2010
Hi,I can't seem to find meaningful information regarding the Stub
Network state in a Type 1 LSA.E.g ...
Created by
dkhouri
in Other Network Architecture Subjects
10-19-2010
10-19-2010
Hi Tim,Sorry, forgot to show that "frame-relay switching" was already
configured on R6. All the othe...
Created by
dkhouri
in Other Network Architecture Subjects
10-17-2010
10-17-2010
Hi,Been pulling my hair out on this one!! OK in my lab environment I
have a hub (R1) & spoke (R2 and...
Created by
dkhouri
in Other Network Architecture Subjects
10-05-2010
10-05-2010
Hi Amr,If you do a show switch detail do you see ALL four switches
listed....and are their state's s...
Created by
dkhouri
in Other Network Architecture Subjects
10-05-2010
10-05-2010
Hi Timothy,I am the only person consoled onto the stack. The stack is
not in production yet, so no o...
Created by
dkhouri
in Other Network Architecture Subjects
09-30-2010
09-30-2010
I've already disabled http server and http secure-server.
Created by
dkhouri
in Other Network Architecture Subjects
09-29-2010
09-29-2010
Did you have your's stacked or was it a single switch?I dont know how
much of it being a stack is th...
Created by
dkhouri
in Other Network Architecture Subjects
09-29-2010
09-29-2010
Hi,I have built a 3750 switch stack (8 switches) and every now and then
(random) when i do a "show r...
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| Date Registered | 05-05-2010 04:47 PM |
| Date Last Visited | 08-18-2017 03:54 AM |
| Total Messages Posted | 17 |
