Configuration Guide User guide

864 FastIron Configuration Guide
53-1002494-02
Displaying MCT information
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Displaying STP information
Use the show span command to display STP information for an entire device. The MCT-related
information is shown in bold in the following example.
Syntax: show span [vlan <vlan-id>] | [pvst-mode] | [<num>] | [detail [vlan <vlan-id> [Ethernet
[<stack-unit><slotnum>/]<portnum>] | <num>]]
Displaying information for multicast snooping
Use the show ip multicast pimsm-snooping command to display port numbers for multicast
snooping. Refer to Figure 107 for port numbers. In the example, join is received from CCEP on
mct-1 and CEP on mct-2.
(S,G) entry:
Brocade#show span
…
STP instance owned by VLAN 10
Global STP (IEEE 802.1D) Parameters:
VLAN Root Root Root Prio Max He- Ho- Fwd Last Chg Bridge
ID ID Cost Port rity Age llo ld dly Chang cnt Address
Hex sec sec sec sec sec
10 00000012f2aacf84 4 7/15 8000 20 2 1 15 10 1
00243822226e
Port STP Parameters:
Port Prio Path State Fwd Design Designated Designated
Num rity Cost Trans Cost Root
Bridge
Hex
7/15 80 4 FWD_BY_MCT 1 0 00000012f2aacf84 00000012f2aacf84
7/21 80 4 BLK_BY_ICL 1 4 00000012f2aacf84 800000243822226e
7/23 80 4 FORWARDING 7 4 00000012f2aacf84 800000243822226e
STP instance owned by VLAN 15
Global STP (IEEE 802.1D) Parameters:
VLAN Root Root Root Prio Max He- Ho- Fwd Last Chg Bridge
ID ID Cost Port rity Age llo ld dly Chang cnt Address
Hex sec sec sec sec sec
15 00000012f2aacf84 4 7/15 8000 20 2 1 15 10 1
00243822226e
Port STP Parameters:
Port Prio Path State Fwd Design Designated Designated
Num rity Cost Trans Cost Root
Bridge
Hex
7/15 80 4 BLK_BY_MCT 1 0 00000012f2aacf84 00000012f2aacf84
7/21 80 4 BLK_BY_ICL 1 4 00000012f2aacf84 800000243822226e
7/23 80 4 FORWARDING 7 4 00000012f2aacf84 800000243822226e