Re: MSDP/Anycast Configuration

Yup, same thing on "show ip pim rp mapping". And it'll keep pausing for
you unless you have "no ip domain-lookup" or an actual/functional DNS
working!

HTH,

*Scott Morris*, CCIE/x4/ (R&S/ISP-Dial/Security/Service Provider) #4713,

JNCIE-M #153, JNCIS-ER, CISSP, et al.

JNCI-M, JNCI-ER

evil_at_ine.com

Internetwork Expert, Inc.

http://www.InternetworkExpert.com

Toll Free: 877-224-8987

Outside US: 775-826-4344

Knowledge is power.

Power corrupts.

Study hard and be Eeeeviiiil......

Con Spathas wrote:
> I have a feeling you're right Bryan (I've never tried it - will do on
> the next lab where I have MDSP peers).
>
> I daresay it's similar to when you look at the RPs "sh ip pim rp
> mapping" you get a ? next to the RP address. When you set an ip host
> config for that IP on the router - it then resolves to the host entry
> configured.
>
> Cheers.
>
> On Thu, Aug 13, 2009 at 6:10 PM, Bryan Bartik<bbartik_at_ipexpert.com> wrote:
>
>> Hello Yuri,
>>
>> The domain name will show up there, so I am pretty sure ? means that no
>> reverse lookup was found.
>>
>> On Thu, Aug 13, 2009 at 8:59 AM, Cisco Fanatic <ebay_products_at_hotmail.com>wrote:
>>
>>
>>> Thanks Victor it is working now.
>>>
>>> Does anyone know why there is a ? in the below command. What does it mean?
>>>
>>> R2#show ip msdp peer
>>> MSDP Peer 150.18.3.3 (?), AS 300 (configured AS) <--
>>>
>>> -Yuri
>>>
>>>
>>>> Date: Wed, 12 Aug 2009 11:26:08 +0300
>>>> Subject: Re: MSDP/Anycast Configuration
>>>> From: vcappuccio_at_gmail.com
>>>> To: ebay_products_at_hotmail.com
>>>> CC: ccielab_at_groupstudy.com
>>>>
>>>> Hi
>>>>
>>>> Try now using this please
>>>>
>>>> R2(config)#ip msdp peer 172.16.3.3 connect-source Loopback0 remote-as 346
>>>> R2(config)#
>>>> MSDP(0): 172.16.3.3: Sending TCP connect
>>>> %MSDP-5-PEER_UPDOWN: Session to peer 172.16.3.3 going up
>>>> R2(config)#
>>>> MSDP(0): 172.16.3.3: TCP connection established
>>>> R2(config)#
>>>> MSDP(0): 172.16.3.3: Originating SA message, originator-id 172.16.2.2
>>>> MSDP(0): Sent entire mroute table, mroute_cache_index = 0, Qlen = 0
>>>> MSDP(0): 172.16.3.3: Send 32-byte message to peer
>>>> MSDP(0): 172.16.3.3: Building SA message from SA cache
>>>> MSDP(0): start_index = 0, sa_cache_index = 0, Qlen = 0
>>>> MSDP(0): Sent entire sa-cache, sa_cache_index = 0, Qlen = 0
>>>> R2(config)#
>>>> MSDP(0): Received 3-byte TCP segment from 172.16.3.3
>>>> MSDP(0): Append 3 bytes to 0-byte msg 35 from 172.16.3.3, qs 1
>>>> MSDP(0): 172.16.3.3: Received 3-byte msg 35 from peer
>>>> MSDP(0): 172.16.3.3: Keepalive TLV
>>>> R2(config)#
>>>> R2(config)#do show run | in msdp
>>>> ip msdp peer 172.16.3.3 connect-source Loopback0 remote-as 346
>>>> ip msdp originator-id Loopback0
>>>> R2(config)#do show ver | in IOS
>>>> Cisco IOS Software, 7200 Software (C7200-JK9S-M), Version 12.4(12),
>>>>
>>> RELEASE
>>>
>>>> SOFTWARE (fc1)
>>>> R2(config)#
>>>> !-------------
>>>> !Sending the SA to the other RP, in other to Join the S,G and *,G or
>>>>
>>> please
>>>
>>>> it on NULL0 if no clients are interested in this
>>>> !traffic
>>>>
>>>> *MSDP(0): 172.16.3.3: Send 100-byte SA encapsulated data for (10.1.15.5,
>>>> 224.6.6.6), RP 172.16.2.2*
>>>>
>>>> !--------------
>>>> R2(config)#do show ip msdp peer
>>>> MSDP Peer 172.16.3.3 (?), AS 346 (configured AS)
>>>> Connection status:
>>>> State: Up, Resets: 0, Connection source: Loopback0 (172.16.2.2)
>>>> Uptime(Downtime): 00:01:46, Messages sent/received: 2/2
>>>> Output messages discarded: 0
>>>> Connection and counters cleared 00:01:46 ago
>>>> Elapsed time since last message: 00:00:37
>>>> Local Address of connection: 172.16.2.2
>>>> Local Port: 12227, Remote Port: 639
>>>> SA Filtering:
>>>> Input (S,G) filter: none, route-map: none
>>>> Input RP filter: none, route-map: none
>>>> Output (S,G) filter: none, route-map: none
>>>> Output RP filter: none, route-map: none
>>>> SA-Requests:
>>>> Input filter: none
>>>> Peer ttl threshold: 0
>>>> SAs learned from this peer: 0
>>>> Input queue size: 0, Output queue size: 0
>>>> Message counters:
>>>> RPF Failure count: 0
>>>> SA Messages in/out: 0/2
>>>> SA Requests in: 0
>>>> SA Responses out: 0
>>>> Data Packets in/out: 0/0
>>>> R2(config)#do show ip msdp sa-ca
>>>> MSDP Source-Active Cache - 0 entries
>>>> R2(config)#
>>>>
>>>> While in the other Inter-AS Router
>>>> R3#show ip msdp sa-cache
>>>> MSDP Source-Active Cache - 0 entries
>>>> R3#
>>>> %MSDP-5-PEER_UPDOWN: Session to peer 172.16.2.2 going up
>>>> R3#show ip msdp sa
>>>> MSDP Source-Active Cache - 2 entries
>>>> (10.1.15.5, 224.6.6.6), RP 172.16.2.2, BGP/AS 0, 00:02:19/00:05:33, Peer
>>>> 172.16.2.2
>>>> (172.16.5.5, 224.6.6.6), RP 172.16.2.2, BGP/AS 0, 00:02:19/00:05:33, Peer
>>>> 172.16.2.2
>>>> R3#show ip msdp peer
>>>> MSDP Peer 172.16.2.2 (?), AS 125 (configured AS)
>>>> Connection status:
>>>> State: Up, Resets: 1, Connection source: Loopback0 (172.16.3.3)
>>>> Uptime(Downtime): 00:02:27, Messages sent/received: 3/3
>>>> Output messages discarded: 0
>>>> Connection and counters cleared 00:08:19 ago
>>>> SA Filtering:
>>>> Input (S,G) filter: none, route-map: none
>>>> Input RP filter: none, route-map: none
>>>> Output (S,G) filter: none, route-map: none
>>>> Output RP filter: none, route-map: none
>>>> SA-Requests:
>>>> Input filter: none
>>>> Peer ttl threshold: 0
>>>> SAs learned from this peer: 2
>>>> Input queue size: 0, Output queue size: 0
>>>> R3#
>>>>
>>>> more configuration information @
>>>>
>>>>
>>> http://www.cisco.com/en/US/docs/switches/datacenter/sw/4_0/nx-os/multicast/co
>>> nfiguration/guide/msdp.pdf<http://www.cisco.com/en/US/docs/switches/datacenter/sw/4_0/nx-os/multicast/co%0Anfiguration/guide/msdp.pdf>
>>>
>>>> Thanks,
>>>>
>>>>
>>>> On Tue, Aug 11, 2009 at 8:52 PM, Cisco Fanatic
>>>>
>>> <ebay_products_at_hotmail.com>wrote:
>>>
>>>>> All,
>>>>>
>>>>> I was doing MSDP/Anycast configuration and somehow I don't see the "ip
>>>>>
>>> msdp
>>>
>>>>> peer 150.18.3.3 remote-as" command in the running config. Am I missing
>>>>> something?
>>>>>
>>>>> R2
>>>>> ++
>>>>> !
>>>>> interface Loopback0
>>>>> ip address 150.18.2.2 255.255.255.255
>>>>> ip pim sparse-dense-mode
>>>>> !
>>>>> interface Loopback1
>>>>> ip address 150.18.18.1 255.255.255.255
>>>>> ip pim sparse-dense-mode
>>>>> !
>>>>> interface Ethernet0/0
>>>>> ip address 174.18.123.2 255.255.255.0
>>>>> ip pim sparse-dense-mode
>>>>> !
>>>>> router bgp 200
>>>>> no synchronization
>>>>> bgp router-id 150.18.2.2
>>>>> bgp log-neighbor-changes
>>>>> neighbor 150.18.3.3 remote-as 300
>>>>> neighbor 150.18.3.3 ebgp-multihop 255
>>>>> neighbor 150.18.3.3 update-source Loopback0
>>>>> no auto-summary
>>>>> !
>>>>> ip pim autorp listener
>>>>> !
>>>>> ip pim send-rp-announce Loopback1 scope 16 group-list R2_GROUPS
>>>>> !
>>>>> ip msdp peer 150.18.3.3 connect-source Loopback0
>>>>> ip msdp peer 150.18.3.3 remote-as 300 <--XXXX
>>>>> ip msdp originator-id Loopback0
>>>>> !
>>>>> ip access-list standard R2_GROUPS
>>>>> permit 239.0.0.9
>>>>> permit 239.0.0.7
>>>>> !
>>>>>
>>>>> R3
>>>>> ++
>>>>> !
>>>>> interface Loopback0
>>>>> ip address 150.18.3.3 255.255.255.0
>>>>> ip pim sparse-dense-mode
>>>>> !
>>>>> interface Loopback1
>>>>> ip address 150.18.18.1 255.255.255.255
>>>>> ip pim sparse-dense-mode
>>>>> !
>>>>> interface Ethernet0/0
>>>>> ip address 174.18.123.3 255.255.255.0
>>>>> ip pim sparse-dense-mode
>>>>> !
>>>>> router bgp 300
>>>>> no synchronization
>>>>> bgp router-id 150.18.3.3
>>>>> bgp log-neighbor-changes
>>>>> neighbor 150.18.2.2 remote-as 200
>>>>> neighbor 150.18.2.2 ebgp-multihop 255
>>>>> neighbor 150.18.2.2 update-source Loopback0
>>>>> no auto-summary
>>>>> !
>>>>> ip pim autorp listener
>>>>> !
>>>>> ip pim send-rp-announce Loopback1 scope 16 group-list R5_GROUPS
>>>>> !
>>>>> ip msdp peer 150.18.2.2 connect-source Loopback0
>>>>> ip msdp peer 150.18.2.2 remote-as 200 <--XXXX
>>>>> ip msdp originator-id Loopback0
>>>>> !
>>>>> ip access-list standard R5_GROUPS
>>>>> permit 239.0.0.10
>>>>> permit 239.0.0.8
>>>>> !
>>>>>
>>>>>
>>>>>
>>>>> _________________________________________________________________
>>>>> Windows Live : Keep your life in sync.
>>>>>
>>>>>
>>>>>
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>>>
>>>>> c:082009
>>>>>
>>>>>
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>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>> --
>>>> Victor Cappuccio
>>>> CCIE R/S# 20657
>>>> CCSI# 30452
>>>> www.anetworkerblog.com
>>>> www.linkedin.com/in/vcappuccio
>>>>
>>>>
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>>>>
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>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
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>>>
>> --
>> Bryan Bartik
>> CCIE #23707 (R&S), CCNP
>> Sr. Support Engineer - IPexpert, Inc.
>> URL: http://www.IPexpert.com
>>
>>
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>>
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>> http://www.groupstudy.com/list/CCIELab.html
>>
>
>
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>
> _______________________________________________________________________
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Received on Fri Aug 14 2009 - 21:37:17 ART