Mulitcasting issues

Kurt Warner · ‎07-29-2013

Ok i am seeting up SCCM server (10.1.1.37) for my work place and multicasting the images was one of the main feture requests i got. I have it up and running but it is not running well. i Have 4 sites all connected via a static route over fiber. One the main sites router , its a 6509 that say basically if the traffiic goes to the internet send it out the gateway of last resport( which goes to an internet facing 6509) . Anything that internal 10.x.x.x figure where it goes and send it there. When it was running the other day and one system had an error all of the traffic to the internet was slowed ...a lot. IM trying to figure out why im getting - numbers in my rate, when the server is directly connected to the switch it self.

on the internal router lets call it 10.1.1.253 here are my multicast settings

!

ip flow-cache timeout active 1

ip multicast-routing

no ip domain-lookup

ip domain-name

ip name-server 10.x.x.x.

ipv6 mfib hardware-switching replication-mode ingress

mls ip multicast flow-stat-timer 9

no mls flow ip

no mls flow ipv6

mls qos map cos-dscp 0 8 16 26 32 46 48 56

mls qos map ip-prec-dscp 0 8 16 26 32 46 48 56

mls qos

no mls acl tcam share-global

mls cef error action freeze

!

ip pim rp-address 10.1.1.253

sample vlan is this

!

interface Vlan5

ip address 10.1.5.253 255.255.255.0

ip helper-address 10.1.1.11

ip pim sparse-dense-mode

no ip mroute-cache

end

on all the other routers i also have

ip pim rp-address 10.1.1.253.

When my multicast is running from the sccm i ran 3 commands

show ip mroute active

Active IP Multicast Sources - sending >= 4 kbps

Group: 239.0.0.102, (?)

Source: 10.1.1.37 (?)

Rate: -3566 pps/42506 kbps(1sec), 42506 kbps(last 0 secs), 0 kbps(life avg)

show ip mroute count

IP Multicast Statistics

19 routes using 9790 bytes of memory

10 groups, 0.90 average sources per group

Forwarding Counts: Pkt Count/Pkts per second/Avg Pkt Size/Kilobits per second

Other counts: Total/RPF failed/Other drops(OIF-null, rate-limit etc)

Group: 233.89.188.1, Source count: 0, Packets forwarded: 0, Packets received: 0

Group: 239.255.255.254, Source count: 0, Packets forwarded: 0, Packets received:

0

Group: 239.255.255.253, Source count: 1, Packets forwarded: 15, Packets received

: 24

RP-tree: Forwarding: 5/0/127/0, Other: 5/0/0

Source: 10.10.1.14/32, Forwarding: 10/0/120/0, Other: 19/9/0

Group: 239.255.255.250, Source count: 1, Packets forwarded: 8, Packets received:

200788

RP-tree: Forwarding: 8/0/255/0, Other: 8/0/0

Source: 10.1.1.100/32, Forwarding: 0/-1/0/0, Other: 200780/90742/110038

Group: 239.0.0.102, Source count: 1, Packets forwarded: 0, Packets received: 722

110

RP-tree: Forwarding: 0/0/0/0, Other: 0/0/0

Source: 10.1.1.37/32, Forwarding: 0/-3566/0/42506, Other: 722110/26/722084

Group: 224.0.1.40, Source count: 0, Packets forwarded: 0, Packets received: 0

Group: 224.0.1.60, Source count: 0, Packets forwarded: 0, Packets received: 0

Group: 239.255.219.45, Source count: 0, Packets forwarded: 0, Packets received:

0

Group: 239.1.1.5, Source count: 1, Packets forwarded: 0, Packets received: 9

RP-tree: Forwarding: 0/0/0/0, Other: 0/0/0

Source: 10.10.12.200/32, Forwarding: 0/0/0/0, Other: 9/0/9

Group: 239.1.1.2, Source count: 5, Packets forwarded: 0, Packets received: 0

RP-tree: Forwarding: 0/0/0/0, Other: 0/0/0

Source: 10.10.12.201/32, Forwarding: 0/0/0/0, Other: 0/0/0

Source: 10.10.12.202/32, Forwarding: 0/0/0/0, Other: 0/0/0

Source: 10.10.12.203/32, Forwarding: 0/0/0/0, Other: 0/0/0

Source: 10.10.12.204/32, Forwarding: 0/0/0/0, Other: 0/0/0

Source: 10.10.12.207/32, Forwarding: 0/0/0/0, Other: 0/0/0

show ip mroute

IP Multicast Routing Table

Flags: D - Dense, S - Sparse, B - Bidir Group, s - SSM Group, C - Connected,

L - Local, P - Pruned, R - RP-bit set, F - Register flag,

T - SPT-bit set, J - Join SPT, M - MSDP created entry,

X - Proxy Join Timer Running, A - Candidate for MSDP Advertisement,

U - URD, I - Received Source Specific Host Report, Z - Multicast Tunnel

Y - Joined MDT-data group, y - Sending to MDT-data group

Outgoing interface flags: H - Hardware switched, A - Assert winner

Timers: Uptime/Expires

Interface state: Interface, Next-Hop or VCD, State/Mode

(*, 233.89.188.1), 4w2d/00:02:22, RP 10.1.1.253, flags: SJC

Incoming interface: Null, RPF nbr 0.0.0.0

Outgoing interface list:

Vlan1, Forward/Sparse-Dense, 5d02h/00:02:31

(*, 239.255.255.254), 1w6d/00:03:12, RP 10.1.1.253, flags: SJC

Incoming interface: Null, RPF nbr 0.0.0.0

Outgoing interface list:

Vlan1, Forward/Sparse-Dense, 5d02h/00:03:12

(*, 239.255.255.253), 01:39:07/00:02:33, RP 10.1.1.253, flags: S

Incoming interface: Null, RPF nbr 0.0.0.0

Outgoing interface list:

Vlan1, Forward/Sparse-Dense, 01:12:40/00:02:33

(10.10.1.14, 239.255.255.253), 00:39:07/00:01:14, flags: T

Incoming interface: Vlan922, RPF nbr 192.168.10.2, RPF-MFD

Outgoing interface list:

Vlan1, Forward/Sparse-Dense, 00:39:07/00:02:33, H

(*, 239.255.255.250), 4w2d/00:03:29, RP 10.1.1.253, flags: SJC

Incoming interface: Null, RPF nbr 0.0.0.0

Outgoing interface list:

Vlan1, Forward/Sparse-Dense, 5d02h/00:03:29

(10.1.1.100, 239.255.255.250), 2w5d/00:02:54, flags: PJT

Incoming interface: Vlan1, RPF nbr 0.0.0.0, RPF-MFD

Outgoing interface list: Null

(*, 239.0.0.102), 00:06:57/00:03:23, RP 10.1.1.253, flags: SJC

Incoming interface: Null, RPF nbr 0.0.0.0

Outgoing interface list:

Vlan1, Forward/Sparse-Dense, 00:06:57/00:03:23

(10.1.1.37, 239.0.0.102), 00:06:57/00:02:59, flags: PJT

Incoming interface: Vlan1, RPF nbr 0.0.0.0, RPF-MFD

Outgoing interface list: Null

(*, 224.0.1.40), 4w2d/00:02:51, RP 10.1.1.253, flags: SJCL

Incoming interface: Null, RPF nbr 0.0.0.0

Outgoing interface list:

Vlan1, Forward/Sparse-Dense, 5d02h/00:02:51

(*, 224.0.1.60), 5d02h/00:02:54, RP 10.1.1.253, flags: S

Incoming interface: Null, RPF nbr 0.0.0.0

Outgoing interface list:

Vlan1, Forward/Sparse-Dense, 5d02h/00:03:09

(*, 239.255.219.45), 1w5d/00:02:59, RP 10.1.1.253, flags: SJC

Incoming interface: Null, RPF nbr 0.0.0.0

Outgoing interface list:

Vlan1, Forward/Sparse-Dense, 5d02h/00:02:56

(*, 239.1.1.5), 2w5d/stopped, RP 10.1.1.253, flags: SP

Incoming interface: Null, RPF nbr 0.0.0.0

Outgoing interface list: Null

(10.10.12.200, 239.1.1.5), 2w5d/00:01:51, flags: PT

Incoming interface: Vlan922, RPF nbr 192.168.10.2, RPF-MFD

Outgoing interface list: Null

(*, 239.1.1.2), 2w5d/stopped, RP 10.1.1.253, flags: SP

Incoming interface: Null, RPF nbr 0.0.0.0

Outgoing interface list: Null

(10.10.12.201, 239.1.1.2), 2w5d/00:01:51, flags: P

Incoming interface: Vlan922, RPF nbr 192.168.10.2, Partial-SC

Outgoing interface list: Null

(10.10.12.202, 239.1.1.2), 2w5d/00:01:51, flags: P

Incoming interface: Vlan922, RPF nbr 192.168.10.2, Partial-SC

Outgoing interface list: Null

(10.10.12.203, 239.1.1.2), 2w5d/00:01:51, flags: P

Incoming interface: Vlan922, RPF nbr 192.168.10.2, Partial-SC

Outgoing interface list: Null

(10.10.12.204, 239.1.1.2), 2w5d/00:01:51, flags: P

Incoming interface: Vlan922, RPF nbr 192.168.10.2, Partial-SC

Outgoing interface list: Null

(10.10.12.207, 239.1.1.2), 2w5d/00:01:51, flags: P

Incoming interface: Vlan922, RPF nbr 192.168.10.2, Partial-SC

Outgoing interface list: Null

Kurt Warner · ‎08-19-2013

Anyone have any ideas?

Edison Ortiz · ‎08-19-2013

What was the error? Was it on the switch? Did you check CPU levels?

Your output looks fine - only thing I recommend changing is the mroute-cache - it must be enabled.

Also, please provide the output from 'show ip pim interface count'