Chapter 30 DVMRP
Table 94 IP Application > DVMRP
LABEL | DESCRIPTION |
Active | Select Active to enable DVMRP on the Switch. You should do this if you want the Switch |
| to act as a multicast router. |
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Threshold | Threshold is the maximum time to live (TTL) value. TTL is used to limit the scope of |
| multicasting. You should reduce this value if you do not wish to flood Layer 3 devices |
| many hops away with multicast traffic. This applies only to multicast traffic this Switch |
| sends out. |
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Index | Index is the DVMRP configuration for the IP routing domain defined under Network. The |
| maximum number of DVMRP configurations allowed is the maximum number of IP routing |
| domains allowed on the Switch. See Section 7.6 on page 81 for more information on IP |
| routing domains. |
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Network | This is the IP routing domain IP address and subnet mask you set up in IP Setup. |
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VID | DVMRP cannot be enabled on the same VLAN group across different IP routing domains, |
| that is, you cannot have duplicate VIDs for different DVMRP configurations (see Figure |
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Active | Select Active to enable DVMRP on this IP routing domain. |
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Apply | Click Apply to save your changes to the Switch’s |
| these changes if it is turned off or loses power, so use the Save link on the top navigation |
| panel to save your changes to the |
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Cancel | Click Cancel to begin configuring this screen afresh. |
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You must have IGMP/RIP enabled when you enable DVMRP; otherwise you see the screen as in the next figure.
Figure 134 DVMRP: IGMP/RIP Not Set Error
When you disable IGMP, but DVMRP is still active you also see another warning screen.
Figure 135 DVMRP: Unable to Disable IGMP Error
Each IP routing domain DVMRP configuration must be in a different VLAN group; otherwise you see the following screen.
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