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- About blue phoenix
03-14-2019
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06-24-2013
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Created by
blue phoenix
in Collaboration, Voice and Video Documents
in Collaboration, Voice and Video Documents
03-11-2019
02:36 PM
03-11-2019
02:36 PM
Is this still applicable on CUCM ver 12.x later? How about the additional CPU load when this is run, can anyone answer since we want to know if this could be run during Production time or a separate maintenance window is needed?
... View more
01-18-2019
01:21 PM
Thank you so much for answering my concern. Pardon me if you have answered this already. After configuring the soft-reconfiguration inbound in the bgp neighbor config. Will the session restart and all my existing connection would drop? Do I need: Clear ip bgp * soft in !!! In order for the new config to kick in? as I understand clearing with soft in will not drop connections?!!!
... View more
01-16-2019
11:28 AM
This concern of mine goes back to @Peter Paluch's comment regarding BGP soft reconfiguration inbound is obsolete or deprecated. So I am asking if it's obsolete or deprecated, what is the alternative means to see the advertised route of a bgp neighbor? Also if again the only way to see a bgp neighbor's advertised routes is to configure: router bgp xxx neighbor a.b.c.d remote-as yyy neighbor a.b.c.d soft-reconfiguration inbound Once I put that 1 line of command, do I need to clear that neighbor's bgp session by doing clear ip bgp * soft in Or can I just leave it at that? The reason I am asking is that we are running an SaaS and we have more than 50K clients coming from our BGP peer. Will this create a temp outage?
... View more
Created by
blue phoenix
in Service Providers Documents
in Service Providers Documents
01-15-2019
05:27 PM
01-15-2019
05:27 PM
Hi, It is said that the soft reconfiguration inbound is deprecated. I would like to know how can I see neighbor's advertised route if I would not configured the soft reconfiguration inbound? Thanks,
... View more
01-15-2019
03:32 PM
Hi, How can I see then the advertised routes of my bgp neighbor if the show ip bgp neighbors [a.b.c.d] received-routes needs the soft reconfiguration inbound config? Is there an alternate way? router#show ip bgp neighbors [a.b.c.d] received-routes % Inbound soft reconfiguration not enabled on [a.b.c.d] Thanks,
... View more
04-14-2018
01:31 AM
Thanks for this Alain!!!
Now I know what metric type 1 is used for in redistribution. It is to have an OE1 route in OSPF ;)
... View more
Created by
blue phoenix
in Other Network Architecture Subjects
in Other Network Architecture Subjects
03-26-2018
04:18 PM
03-26-2018
04:18 PM
Hi,
I need some assistance regarding configuration. I am doing this in the lab since I need first to establish if this would work before I get this into production.
Please see
OSPF is basic area 0.
I would only want to know how can I access or ping the 160.10.1.1 (represented by internet) from the 192.168.254.254 (private IP address that will be natted to the loopback interface 150.10.1.1 (public IP address pool). The BGP interfaces are also public but totally not on the same subnet as the loopback interface. I used this setup to create a BGP neighborship with a not directly connected neighbor.
-So do I add all the physical interfaces including the serial interface on my ospf 100 area 0 domain?
-In addition to the 2 static routes to reach the loopback of the ISP router or RTB, do I create another static route to null0 for the 150.10.1.0 network?
-Do I need to configure under BGP in the ISP router or RTB this?
router bgp 200
neighbor 150.10.1.1 default-originate
I know I can't redistribute BGP routes into my OSPF because it will flat out...
I also would like to achieve on how I can get NAT to work so that my private IP address 192.168.254.254 will be able to reach the 160.10.1.1 internet address as a translated ip to the 150.10.1.x address.
Please see attachment for the configs I made on the devices. Anyone can replicate this in GNS3/VIRL and get back to me is gladly appreciated. I just need someone to point me to what config I am missing.
Cheers,
... View more
Labels:
10-12-2017
06:36 AM
Hi all,
I need some inputs regarding summarization of subnets in eigrp whether named or classic mode.
I have configured 2 EIGRP AS's. 1 and 2, by behavior they won't see each other unless redistribution is applied. Now if the routes from AS 2 is redistributed to AS 1, the routing table of AS 1 will have D EX tagging on the subnets advertised by AS 2. Pretty straight-forward.
My issue is when I use the summarization command in order to only see 1 line of route instead of 3 lines, it works if it's on the same AS but it doesn't work if it's on different AS's. The 192.168.x.x is in the same AS1. 172.234.x.x is on AS2.
Can anybody fill in the gaps? *OSPF is not configured yet here... so don't worry about it.
R1#sh ip route eigrp
Gateway of last resort is not set
172.234.0.0/24 is subnetted, 3 subnets
D EX 172.234.1.0 [170/1024640] via 10.14.0.4, 01:17:59, Ethernet0/0
[170/13556702] via 10.12.0.3, 01:17:59, Serial1/0
[170/13556702] via 10.12.0.2, 01:17:59, Serial1/0
D EX 172.234.2.0 [170/1024640] via 10.14.0.4, 01:17:48, Ethernet0/0
[170/13556702] via 10.12.0.3, 01:17:48, Serial1/0
[170/13556702] via 10.12.0.2, 01:17:48, Serial1/0
D EX 172.234.3.0 [170/1024640] via 10.14.0.4, 01:17:37, Ethernet0/0
[170/13556702] via 10.12.0.3, 01:17:37, Serial1/0
[170/13556702] via 10.12.0.2, 01:17:37, Serial1/0
D 192.168.0.0/22 [90/1024640] via 10.14.0.4, 00:00:08, Ethernet0/0
[90/13556702] via 10.12.0.3, 00:00:08, Serial1/0
[90/13556702] via 10.12.0.2, 00:00:08, Serial1/0
R2#sh run | s eigrp
router eigrp INE
!
address-family ipv4 unicast autonomous-system 1
!
af-interface default
passive-interface
exit-af-interface
!
af-interface Serial1/0
summary-address 192.168.0.0 255.255.252.0
no passive-interface
exit-af-interface
!
af-interface Loopback9
no passive-interface
exit-af-interface
!
af-interface Loopback99
no passive-interface
exit-af-interface
!
af-interface Loopback999
no passive-interface
exit-af-interface
!
topology base
redistribute eigrp 2
exit-af-topology
network 10.12.0.0 0.0.0.255
network 192.168.0.0 0.0.3.255
exit-address-family
router eigrp CISCO
!
address-family ipv4 unicast autonomous-system 2
!
af-interface Serial1/0
summary-address 172.234.0.0 255.255.0.0
exit-af-interface
!
topology base
exit-af-topology
network 172.234.1.0 0.0.0.255
network 172.234.2.0 0.0.0.255
network 172.234.3.0 0.0.0.255
exit-address-family
R3#sh run | s eigrp
router eigrp INE
!
address-family ipv4 unicast autonomous-system 1
!
af-interface default
passive-interface
exit-af-interface
!
af-interface Serial1/0
summary-address 192.168.0.0 255.255.252.0
no passive-interface
exit-af-interface
!
af-interface Loopback9
no passive-interface
exit-af-interface
!
af-interface Loopback99
no passive-interface
exit-af-interface
!
af-interface Loopback999
no passive-interface
exit-af-interface
!
topology base
redistribute eigrp 2
exit-af-topology
network 10.12.0.0 0.0.0.255
network 10.14.0.0 0.0.0.255
network 192.168.0.0 0.0.3.255
exit-address-family
router eigrp CISCO
!
address-family ipv4 unicast autonomous-system 2
!
af-interface Serial1/0
summary-address 172.234.0.0 255.255.0.0
exit-af-interface
!
topology base
exit-af-topology
network 172.234.1.0 0.0.0.255
network 172.234.2.0 0.0.0.255
network 172.234.3.0 0.0.0.255
exit-address-family
R4#sh run | s eigrp
router eigrp INE
!
address-family ipv4 unicast autonomous-system 1
!
af-interface default
passive-interface
exit-af-interface
!
af-interface Serial1/0
no passive-interface
exit-af-interface
!
af-interface Ethernet0/0
summary-address 192.168.0.0 255.255.252.0
no passive-interface
exit-af-interface
!
af-interface Loopback9
no passive-interface
exit-af-interface
!
af-interface Loopback99
no passive-interface
exit-af-interface
!
af-interface Loopback999
no passive-interface
exit-af-interface
!
topology base
redistribute eigrp 2
exit-af-topology
network 10.12.0.0 0.0.0.255
network 10.14.0.0 0.0.0.255
network 192.168.0.0 0.0.3.255
exit-address-family
router eigrp CISCO
!
address-family ipv4 unicast autonomous-system 2
!
af-interface Serial1/0
summary-address 172.234.0.0 255.255.0.0
exit-af-interface
!
topology base
exit-af-topology
network 172.234.1.0 0.0.0.255
network 172.234.2.0 0.0.0.255
network 172.234.3.0 0.0.0.255
exit-address-family
... View more
Labels:
09-18-2017
02:22 AM
Hi, Everything is working normally. I just need to configure the variance on the router that sees the route and not on the router that advertises it. Cheers,
... View more
09-18-2017
02:20 AM
Hi, CEF has nothing to do with the issue I encountered. I just need to put the variance configuration on the router that is seeing the subnet and NOT on the router that is advertising that subnet. Cheers,
... View more
09-18-2017
02:15 AM
My mistake is to configure variance on the Router that is advertising the prefix or subnet. When I configured the variance on the router that sees the advertised network everything worked like a charm.
... View more
09-14-2017
08:22 AM
NOTE to self... Variance is configured on the router that wants to load-balance to the destination network. Therefore the metric is changed locally on the router that sees the route.
... View more
09-14-2017
07:04 AM
Hi all, I have been doing this in a Virtual lab environment. As you can see below the FR router is just a frame relay switch and is not doing any routing.... I am trying to achieve unequal cost load-balancing by using the variance feature... Here is the sh ip eigrp top of R2 if trying to reach loopback of R1 R2#sh ip eigrp top | s 111.111.4.0 P 111.111.4.0/24, 1 successors, FD is 196689920 via 10.23.0.3 (196689920/131153920), Ethernet0/2 via 10.12.0.1 (1735257878/163840), Serial1/2 As you can see the path of Serial1/2's RD is lower than FD of best path, hence it is shown in the topology table.... But in the RT it is showing only 1 path to the network 111.111.4.0 R2#sh ip route eigrp | b 111. 111.0.0.0/8 is variably subnetted, 12 subnets, 2 masks D 111.111.4.0/24 [90/1536640] via 10.23.0.3, 00:10:39, Ethernet0/2 D 111.111.5.0/24 [90/1536640] via 10.23.0.3, 00:10:39, Ethernet0/2 D 111.111.6.0/24 [90/1536640] via 10.23.0.3, 00:10:39, Ethernet0/2 D 111.111.7.0/24 [90/1536640] via 10.23.0.3, 00:10:39, Ethernet0/2 From understanding the videos and docs, in order to calculate the variance number, you need to divide the FD of the worst path to the FD of the best path. 1735257878 / 196689920 = 8.82 or 9 I have tried variance 9 or 10 but I can't seem to put the serial interface in the RT. Can anyone please help on what I am missing on the concept? Cheers,
... View more
Labels:
07-27-2017
05:35 AM
Hi Adam,
I think the PSTN router can participate in L3 since the interfaces that need to be in frame-relay mode has to have a hard-coded configuration of encapsulation frame-relay. My 2 cents only...
... View more
Created by
blue phoenix
in Collaboration, Voice and Video Documents
03-11-2019
03-11-2019
Is this still applicable on CUCM ver 12.x later?How about the additional
CPU load when this is run, ...
01-18-2019
Thank you so much for answering my concern. Pardon me if you have
answered this already.After config...
01-16-2019
This concern of mine goes back to @Peter Paluch's comment regarding BGP
soft reconfiguration inbound...
Created by
blue phoenix
in Service Providers Documents
01-15-2019
01-15-2019
Hi,It is said that the soft reconfiguration inbound is deprecated. I
would like to know how can I se...
01-15-2019
Hi, How can I see then the advertised routes of my bgp neighbor if the
show ip bgp neighbors [a.b.c....
04-14-2018
Thanks for this Alain!!! Now I know what metric type 1 is used for in
redistribution. It is to have ...
Created by
blue phoenix
in Other Network Architecture Subjects
03-26-2018
03-26-2018
Hi, I need some assistance regarding configuration. I am doing this in
the lab since I need first to...
Created by
blue phoenix
in Routing
10-12-2017
10-12-2017
Hi all, I need some inputs regarding summarization of subnets in eigrp
whether named or classic mode...
09-18-2017
Hi, Everything is working normally. I just need to configure the
variance on the router that sees th...
09-18-2017
Hi, CEF has nothing to do with the issue I encountered. I just need to
put the variance configuratio...
09-18-2017
My mistake is to configure variance on the Router that is advertising
theprefix or subnet. When I co...
09-14-2017
NOTE to self... Variance is configured on the router that wants to
load-balance to the destination n...
09-14-2017
Hi all, I have been doing this in a Virtual lab environment. As you can
see below the FR router is j...
Public Statistics
| Date Registered | 06-24-2013 05:57 AM |
| Date Last Visited | 03-14-2019 11:42 PM |
| Total Messages Posted | 116 |
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